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    <title>topic Read error on Disk and lots of them - Is it normal? in VMware Solutions Discussions</title>
    <link>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75159#M7212</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;We get the following messages almost every day. The messages below is from november and we get them every month.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Some of these disks has been manually replaced. None of them has been failed automatically by the system. In june we had a few of these messages and then those disks was autofailed.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Is it normal with so many messages on the same disks? It makes me worried about loosing the whole aggregate.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Should we prefail them and call Netapp for replacements?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;This is on two DS4243 and 8% of the disks has been replaced. 16% of the disks show these errors.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;The system is a FAS3210 running 8.1.2P4&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P class="p1"&gt;root@nic02:/var/log/remote/2013/11# bzgrep -i disk */na1-* &lt;/P&gt;&lt;P class="p1"&gt;01/na1-a.log.bz2:Nov&amp;nbsp; 1 04:55:27 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg0/0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N], block #16542209&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;01/na1-a.log.bz2:Nov&amp;nbsp; 1 04:55:27 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg0/0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N], block #16542209&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;02/na1-a.log.bz2:Nov&amp;nbsp; 2 11:57:21 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #43051324&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;03/na1-b.log.bz2:Nov&amp;nbsp; 3 07:00:01 na1-b [na1-b: raid.scrub.suspended:notice]: Disk scrub suspended.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;05/na1-a.log.bz2:Nov&amp;nbsp; 5 13:58:34 na1-a [na1-a: raid.tetris.media.err:debug]: Read error on Disk /aggr0/plex0/rg0/0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N], block #25946835 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;05/na1-a.log.bz2:Nov&amp;nbsp; 5 13:58:34 na1-a [na1-a: raid.tetris.media.recommend.reassign.err:info]: Block recommended for reassignment on Disk /aggr0/plex0/rg0/0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N], block #25946836 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;05/na1-a.log.bz2:Nov&amp;nbsp; 5 13:58:35 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg0/0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N], block #25946835&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;05/na1-a.log.bz2:Nov&amp;nbsp; 5 13:58:35 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg0/0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N], block #25946836&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;07/na1-a.log.bz2:Nov&amp;nbsp; 7 07:36:52 na1-a [na1-a: raid.tetris.media.recommend.reassign.err:info]: Block recommended for reassignment on Disk /aggr0/plex0/rg0/0a.01.13 Shelf 1 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VM3S8N], block #30608986 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;07/na1-a.log.bz2:Nov&amp;nbsp; 7 07:36:52 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg0/0a.01.13 Shelf 1 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VM3S8N], block #30608986&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 16:59:48 na1-a [na1-a: raid.rg.diskcopy.start:notice]: /aggr0/plex0/rg0: starting disk copy from 0a.01.17 to 0b.02.5&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 17:00:00 na1-a [na1-a: monitor.globalStatus.nonCritical:warning]: There are not enough spare disks.&amp;nbsp;&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 18:29:30 na1-a [na1-a: raid.rg.diskcopy.done:notice]: /aggr0/plex0/rg0: disk copy from 0a.01.17 to 0b.02.5 completed in 1:29:42.12&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 18:29:30 na1-a [na1-a: raid.config.filesystem.disk.admin.failed.after.copy:info]: File system Disk 0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N] is being failed after it was successfully copied to a replacement.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 18:29:30 na1-a [na1-a: callhome.fdsk.admin:info]: Call home for FILESYSTEM DISK ADMIN FAILED&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 18:29:30 na1-a [na1-a: disk.failmsg:error]: Disk 0a.01.17 (J1VMA06N): by operator.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 18:29:30 na1-a [na1-a: raid.disk.unload.done:info]: Unload of Disk 0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N] has completed successfully&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 19:03:22 na1-a [na1-a: diskown.changingOwner:info]: changing ownership for disk 0a.01.17 (S/N CWVJMPNN) from unowned (ID 4294967295) to na1-a (ID 1574564151)&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 19:04:50 na1-a [na1-a: raid.disk.offline:notice]: Marking Disk 0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA01] S/N [CWVJMPNN] offline.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 19:04:50 na1-a [na1-a: bdfu.selected:info]: Disk 0a.01.17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA01] S/N [CWVJMPNN] selected for background disk firmware update.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 19:04:51 na1-a [na1-a: dfu.firmwareDownloading:info]: Now downloading firmware file /etc/disk_fw/X411_HVIPC420A15.NA02.LOD on 1 disk(s) of plex [Pool0]...&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 19:05:07 na1-a [na1-a: monitor.globalStatus.nonCritical:warning]: There are not enough spare disks.&amp;nbsp;&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 19:05:07 na1-a [na1-a: raid.disk.online:notice]: Onlining Disk 0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [CWVJMPNN].&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-b.log.bz2:Nov&amp;nbsp; 8 18:29:43 na1-b [na1-b: diskown.errorReadingOwnership:warning]: error 3 (disk failed) while reading ownership on disk 0a.01.17 (S/N J1VMA06N)&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-b.log.bz2:Nov&amp;nbsp; 8 19:00:00 na1-b [na1-b: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-b.log.bz2:Nov&amp;nbsp; 8 19:00:26 na1-b [na1-b: raid.disk.missing:info]: Disk 0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N] is missing from the system&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 09:23:13 na1-a [na1-a: raid.rg.diskcopy.start:notice]: /aggr0/plex0/rg0: starting disk copy from 0a.01.13 to 0a.01.17&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 09:24:00 na1-a [na1-a: monitor.globalStatus.nonCritical:warning]: There are not enough spare disks.&amp;nbsp;&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 09:39:22 na1-a [na1-a: raid.rg.diskcopy.read.err:debug]: Read error on Disk /aggr0/plex0/rg0/0a.01.13 Shelf 1 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VM3S8N], block #17732096 during disk copy&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:00:56 na1-a [na1-a: raid.rg.diskcopy.done:notice]: /aggr0/plex0/rg0: disk copy from 0a.01.13 to 0a.01.17 completed in 1:37:43.35&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:00:56 na1-a [na1-a: raid.config.filesystem.disk.admin.failed.after.copy:info]: File system Disk 0a.01.13 Shelf 1 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VM3S8N] is being failed after it was successfully copied to a replacement.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:00:56 na1-a [na1-a: callhome.fdsk.admin:info]: Call home for FILESYSTEM DISK ADMIN FAILED&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:00:56 na1-a [na1-a: disk.failmsg:error]: Disk 0a.01.13 (J1VM3S8N): by operator.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:00:56 na1-a [na1-a: raid.disk.unload.done:info]: Unload of Disk 0a.01.13 Shelf 1 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VM3S8N] has completed successfully&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:56:48 na1-a [na1-a: diskown.changingOwner:info]: changing ownership for disk 0a.01.13 (S/N CWVK8TMN) from unowned (ID 4294967295) to na1-a (ID 1574564151)&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:58:20 na1-a [na1-a: raid.disk.offline:notice]: Marking Disk 0a.01.13 Shelf 1 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA01] S/N [CWVK8TMN] offline.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:58:20 na1-a [na1-a: bdfu.selected:info]: Disk 0a.01.13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA01] S/N [CWVK8TMN] selected for background disk firmware update.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:58:20 na1-a [na1-a: dfu.firmwareDownloading:info]: Now downloading firmware file /etc/disk_fw/X411_HVIPC420A15.NA02.LOD on 1 disk(s) of plex [Pool0]...&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:58:36 na1-a [na1-a: raid.disk.online:notice]: Onlining Disk 0a.01.13 Shelf 1 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA01] S/N [CWVK8TMN].&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;10/na1-a.log.bz2:Nov 10 07:00:03 na1-a [na1-a: raid.scrub.suspended:notice]: Disk scrub suspended.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/na1-a.log.bz2:Nov 11 01:06:23 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41127611&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/na1-a.log.bz2:Nov 11 01:06:24 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41127611&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;12/na1-a.log.bz2:Nov 12 13:04:14 na1-a [na1-a: callhome.invoke.all:info]: User triggered complete call home for USER_TRIGGERED (COMPLETE:2004668135 (two disks have already been changed))&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;14/na1-a.log.bz2:Nov 14 04:30:11 na1-a [na1-a: raid.rg.scrub.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41557231, during scrub.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;14/na1-a.log.bz2:Nov 14 04:30:42 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41557231&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;15/na1-a.log.bz2:Nov 15 04:52:58 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.01.16 Shelf 1 Bay 16 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VM3MKN], block #3779786&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;15/na1-a.log.bz2:Nov 15 04:52:58 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.01.16 Shelf 1 Bay 16 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VM3MKN], block #3779786&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;15/na1-a.log.bz2:Nov 15 22:03:24 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41579904&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;15/na1-a.log.bz2:Nov 15 22:03:24 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41579904&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;16/na1-a.log.bz2:Nov 16 03:00:04 na1-a [na1-a: raid.tetris.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #34632270 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;16/na1-a.log.bz2:Nov 16 03:00:06 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #34632270&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;21/na1-a.log.bz2:Nov 21 02:00:59 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #45155745&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;21/na1-a.log.bz2:Nov 21 02:00:59 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #45155745&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;21/na1-a.log.bz2:Nov 21 02:30:34 na1-a [na1-a: raid.tetris.media.recommend.reassign.err:info]: Block recommended for reassignment on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #53136257 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;21/na1-a.log.bz2:Nov 21 02:30:34 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #53136257&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;21/na1-a.log.bz2:Nov 21 17:22:36 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #32003520&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;21/na1-a.log.bz2:Nov 21 17:22:36 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #32003520&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;24/na1-a.log:Nov 24 07:00:02 na1-a [na1-a: raid.scrub.suspended:notice]: Disk scrub suspended.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;24/na1-b.log:Nov 24 07:00:01 na1-b [na1-b: raid.scrub.suspended:notice]: Disk scrub suspended.&amp;nbsp; #015&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Thu, 05 Jun 2025 05:48:51 GMT</pubDate>
    <dc:creator>JANAKE_RONNBLOM</dc:creator>
    <dc:date>2025-06-05T05:48:51Z</dc:date>
    <item>
      <title>Read error on Disk and lots of them - Is it normal?</title>
      <link>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75159#M7212</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;We get the following messages almost every day. The messages below is from november and we get them every month.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Some of these disks has been manually replaced. None of them has been failed automatically by the system. In june we had a few of these messages and then those disks was autofailed.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Is it normal with so many messages on the same disks? It makes me worried about loosing the whole aggregate.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Should we prefail them and call Netapp for replacements?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;This is on two DS4243 and 8% of the disks has been replaced. 16% of the disks show these errors.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;The system is a FAS3210 running 8.1.2P4&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P class="p1"&gt;root@nic02:/var/log/remote/2013/11# bzgrep -i disk */na1-* &lt;/P&gt;&lt;P class="p1"&gt;01/na1-a.log.bz2:Nov&amp;nbsp; 1 04:55:27 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg0/0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N], block #16542209&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;01/na1-a.log.bz2:Nov&amp;nbsp; 1 04:55:27 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg0/0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N], block #16542209&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;02/na1-a.log.bz2:Nov&amp;nbsp; 2 11:57:21 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #43051324&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;03/na1-b.log.bz2:Nov&amp;nbsp; 3 07:00:01 na1-b [na1-b: raid.scrub.suspended:notice]: Disk scrub suspended.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;05/na1-a.log.bz2:Nov&amp;nbsp; 5 13:58:34 na1-a [na1-a: raid.tetris.media.err:debug]: Read error on Disk /aggr0/plex0/rg0/0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N], block #25946835 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;05/na1-a.log.bz2:Nov&amp;nbsp; 5 13:58:34 na1-a [na1-a: raid.tetris.media.recommend.reassign.err:info]: Block recommended for reassignment on Disk /aggr0/plex0/rg0/0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N], block #25946836 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;05/na1-a.log.bz2:Nov&amp;nbsp; 5 13:58:35 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg0/0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N], block #25946835&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;05/na1-a.log.bz2:Nov&amp;nbsp; 5 13:58:35 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg0/0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N], block #25946836&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;07/na1-a.log.bz2:Nov&amp;nbsp; 7 07:36:52 na1-a [na1-a: raid.tetris.media.recommend.reassign.err:info]: Block recommended for reassignment on Disk /aggr0/plex0/rg0/0a.01.13 Shelf 1 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VM3S8N], block #30608986 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;07/na1-a.log.bz2:Nov&amp;nbsp; 7 07:36:52 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg0/0a.01.13 Shelf 1 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VM3S8N], block #30608986&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 16:59:48 na1-a [na1-a: raid.rg.diskcopy.start:notice]: /aggr0/plex0/rg0: starting disk copy from 0a.01.17 to 0b.02.5&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 17:00:00 na1-a [na1-a: monitor.globalStatus.nonCritical:warning]: There are not enough spare disks.&amp;nbsp;&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 18:29:30 na1-a [na1-a: raid.rg.diskcopy.done:notice]: /aggr0/plex0/rg0: disk copy from 0a.01.17 to 0b.02.5 completed in 1:29:42.12&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 18:29:30 na1-a [na1-a: raid.config.filesystem.disk.admin.failed.after.copy:info]: File system Disk 0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N] is being failed after it was successfully copied to a replacement.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 18:29:30 na1-a [na1-a: callhome.fdsk.admin:info]: Call home for FILESYSTEM DISK ADMIN FAILED&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 18:29:30 na1-a [na1-a: disk.failmsg:error]: Disk 0a.01.17 (J1VMA06N): by operator.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 18:29:30 na1-a [na1-a: raid.disk.unload.done:info]: Unload of Disk 0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N] has completed successfully&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 19:03:22 na1-a [na1-a: diskown.changingOwner:info]: changing ownership for disk 0a.01.17 (S/N CWVJMPNN) from unowned (ID 4294967295) to na1-a (ID 1574564151)&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 19:04:50 na1-a [na1-a: raid.disk.offline:notice]: Marking Disk 0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA01] S/N [CWVJMPNN] offline.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 19:04:50 na1-a [na1-a: bdfu.selected:info]: Disk 0a.01.17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA01] S/N [CWVJMPNN] selected for background disk firmware update.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 19:04:51 na1-a [na1-a: dfu.firmwareDownloading:info]: Now downloading firmware file /etc/disk_fw/X411_HVIPC420A15.NA02.LOD on 1 disk(s) of plex [Pool0]...&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 19:05:07 na1-a [na1-a: monitor.globalStatus.nonCritical:warning]: There are not enough spare disks.&amp;nbsp;&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-a.log.bz2:Nov&amp;nbsp; 8 19:05:07 na1-a [na1-a: raid.disk.online:notice]: Onlining Disk 0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [CWVJMPNN].&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-b.log.bz2:Nov&amp;nbsp; 8 18:29:43 na1-b [na1-b: diskown.errorReadingOwnership:warning]: error 3 (disk failed) while reading ownership on disk 0a.01.17 (S/N J1VMA06N)&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-b.log.bz2:Nov&amp;nbsp; 8 19:00:00 na1-b [na1-b: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;08/na1-b.log.bz2:Nov&amp;nbsp; 8 19:00:26 na1-b [na1-b: raid.disk.missing:info]: Disk 0a.01.17 Shelf 1 Bay 17 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMA06N] is missing from the system&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 09:23:13 na1-a [na1-a: raid.rg.diskcopy.start:notice]: /aggr0/plex0/rg0: starting disk copy from 0a.01.13 to 0a.01.17&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 09:24:00 na1-a [na1-a: monitor.globalStatus.nonCritical:warning]: There are not enough spare disks.&amp;nbsp;&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 09:39:22 na1-a [na1-a: raid.rg.diskcopy.read.err:debug]: Read error on Disk /aggr0/plex0/rg0/0a.01.13 Shelf 1 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VM3S8N], block #17732096 during disk copy&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:00:56 na1-a [na1-a: raid.rg.diskcopy.done:notice]: /aggr0/plex0/rg0: disk copy from 0a.01.13 to 0a.01.17 completed in 1:37:43.35&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:00:56 na1-a [na1-a: raid.config.filesystem.disk.admin.failed.after.copy:info]: File system Disk 0a.01.13 Shelf 1 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VM3S8N] is being failed after it was successfully copied to a replacement.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:00:56 na1-a [na1-a: callhome.fdsk.admin:info]: Call home for FILESYSTEM DISK ADMIN FAILED&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:00:56 na1-a [na1-a: disk.failmsg:error]: Disk 0a.01.13 (J1VM3S8N): by operator.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:00:56 na1-a [na1-a: raid.disk.unload.done:info]: Unload of Disk 0a.01.13 Shelf 1 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VM3S8N] has completed successfully&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:56:48 na1-a [na1-a: diskown.changingOwner:info]: changing ownership for disk 0a.01.13 (S/N CWVK8TMN) from unowned (ID 4294967295) to na1-a (ID 1574564151)&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:58:20 na1-a [na1-a: raid.disk.offline:notice]: Marking Disk 0a.01.13 Shelf 1 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA01] S/N [CWVK8TMN] offline.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:58:20 na1-a [na1-a: bdfu.selected:info]: Disk 0a.01.13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA01] S/N [CWVK8TMN] selected for background disk firmware update.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:58:20 na1-a [na1-a: dfu.firmwareDownloading:info]: Now downloading firmware file /etc/disk_fw/X411_HVIPC420A15.NA02.LOD on 1 disk(s) of plex [Pool0]...&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/na1-a.log.bz2:Nov&amp;nbsp; 9 11:58:36 na1-a [na1-a: raid.disk.online:notice]: Onlining Disk 0a.01.13 Shelf 1 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA01] S/N [CWVK8TMN].&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;10/na1-a.log.bz2:Nov 10 07:00:03 na1-a [na1-a: raid.scrub.suspended:notice]: Disk scrub suspended.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/na1-a.log.bz2:Nov 11 01:06:23 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41127611&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/na1-a.log.bz2:Nov 11 01:06:24 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41127611&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;12/na1-a.log.bz2:Nov 12 13:04:14 na1-a [na1-a: callhome.invoke.all:info]: User triggered complete call home for USER_TRIGGERED (COMPLETE:2004668135 (two disks have already been changed))&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;14/na1-a.log.bz2:Nov 14 04:30:11 na1-a [na1-a: raid.rg.scrub.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41557231, during scrub.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;14/na1-a.log.bz2:Nov 14 04:30:42 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41557231&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;15/na1-a.log.bz2:Nov 15 04:52:58 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.01.16 Shelf 1 Bay 16 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VM3MKN], block #3779786&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;15/na1-a.log.bz2:Nov 15 04:52:58 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.01.16 Shelf 1 Bay 16 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VM3MKN], block #3779786&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;15/na1-a.log.bz2:Nov 15 22:03:24 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41579904&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;15/na1-a.log.bz2:Nov 15 22:03:24 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41579904&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;16/na1-a.log.bz2:Nov 16 03:00:04 na1-a [na1-a: raid.tetris.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #34632270 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;16/na1-a.log.bz2:Nov 16 03:00:06 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #34632270&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;21/na1-a.log.bz2:Nov 21 02:00:59 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #45155745&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;21/na1-a.log.bz2:Nov 21 02:00:59 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #45155745&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;21/na1-a.log.bz2:Nov 21 02:30:34 na1-a [na1-a: raid.tetris.media.recommend.reassign.err:info]: Block recommended for reassignment on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #53136257 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;21/na1-a.log.bz2:Nov 21 02:30:34 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #53136257&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;21/na1-a.log.bz2:Nov 21 17:22:36 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #32003520&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;21/na1-a.log.bz2:Nov 21 17:22:36 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #32003520&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;24/na1-a.log:Nov 24 07:00:02 na1-a [na1-a: raid.scrub.suspended:notice]: Disk scrub suspended.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;24/na1-b.log:Nov 24 07:00:01 na1-b [na1-b: raid.scrub.suspended:notice]: Disk scrub suspended.&amp;nbsp; #015&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 05 Jun 2025 05:48:51 GMT</pubDate>
      <guid>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75159#M7212</guid>
      <dc:creator>JANAKE_RONNBLOM</dc:creator>
      <dc:date>2025-06-05T05:48:51Z</dc:date>
    </item>
    <item>
      <title>Re: Read error on Disk and lots of them - Is it normal?</title>
      <link>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75163#M7213</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;That is not normal, and I would be concerned as well.&amp;nbsp; Have any of the drives you've replaced started showing errors again?&amp;nbsp; Is it possible something's happened to the system that might have degraded the drives?&amp;nbsp; The only time I've seen something similar is when our datacenter cooling went out, and we didn't have any temperature sensors.&amp;nbsp; We got it fixed, but 2-3 months later we were losing a couple drives a week.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I would work with NetApp to see if they will replace the erroring drives.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Bill&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 25 Nov 2013 17:34:49 GMT</pubDate>
      <guid>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75163#M7213</guid>
      <dc:creator>billshaffer</dc:creator>
      <dc:date>2013-11-25T17:34:49Z</dc:date>
    </item>
    <item>
      <title>Re: Read error on Disk and lots of them - Is it normal?</title>
      <link>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75170#M7214</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;The system has been in operation for 18+ months or more and until this summer no drives has been replaced. The DC where the system is located has been stable and hasn't had an outage or temperature variation since we started using their services so Im at a loss the explain why the drives suddenly are starting to fail. We do have another controller (same FAS3210) with the same kind of shelf DS4243 and the same type of disks which hasen't shown any problems. Its only the controller that runs our VMware farm that has these errors. The VMware controller probably has more load on it than the CIFS controller so maybe this is related to the load?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;According to NetApp they wont replace the drives unless they have failed. We had one drive that failed this summer and it took almost 24 hours until the rebuild finished due to timeouts which caused our customers some pain and thats why we now like to prefail the drives. However since yesterday NetApp wont let us do that anymore and hasn't come up with an plausible explanation why this happens.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;-J&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 26 Nov 2013 20:03:48 GMT</pubDate>
      <guid>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75170#M7214</guid>
      <dc:creator>JANAKE_RONNBLOM</dc:creator>
      <dc:date>2013-11-26T20:03:48Z</dc:date>
    </item>
    <item>
      <title>Re: Read error on Disk and lots of them - Is it normal?</title>
      <link>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75175#M7215</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Have any of the drives that have been replaced started showing errors?&amp;nbsp; If so, then I would be more likely to suspect something environmental.&amp;nbsp; Higher load is possible, but I wouldn't really expect it.&amp;nbsp; I'm assuming the drive firmware is up to date and matches the other controller?&amp;nbsp; Maybe it's worth getting the serials of the failing drives and see if you can research whether there was a bad production run or something?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;NetApp's response seems typical from first or second level.&amp;nbsp; You might try working with your SE to try to escalate the issue from the inside.&amp;nbsp; At one point we had a NetApp person dedicated to fielding customer concerns just like this one - can't remember what his title was, but you probably have one as well.&amp;nbsp; Point out that you've got an abnormal failure rate that is hurting your customers, and therefore you.&amp;nbsp; Might not hurt to hint that there are other NAS vendors out there....&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Bill&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 27 Nov 2013 20:54:25 GMT</pubDate>
      <guid>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75175#M7215</guid>
      <dc:creator>billshaffer</dc:creator>
      <dc:date>2013-11-27T20:54:25Z</dc:date>
    </item>
    <item>
      <title>Re: Read error on Disk and lots of them - Is it normal?</title>
      <link>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75180#M7216</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;None of the replaced drives has started showing errors yet. &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I have a hard time imaging it could be something environmental since its in a monitored DC which hasn't had any problems yet. &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;All the drives were bought at the same time so they could possibly be all from the same batch. I'll try and see if I can find the serials of those that failed and see if they all are close.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;And I'll give Netapp another call and hear what they have to say.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;The frequency of the errors also seem to go up. This is from september until today for one of the bad disks which hasen't failed yet.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P class="p1"&gt;09/08/na1-a.log.bz2:Sep&amp;nbsp; 8 02:03:39 na1-a [na1-a: raid.rg.scrub.media.recommend.reassign.err:info]: Block recommended for reassignment on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #12296245 during scrub&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/08/na1-a.log.bz2:Sep&amp;nbsp; 8 02:04:09 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #12296245&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/25/na1-a.log.bz2:Sep 25 05:54:22 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #26139469&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/25/na1-a.log.bz2:Sep 25 05:54:22 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #26139469&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/30/na1-a.log.bz2:Sep 30 12:46:59 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #42008145&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;09/30/na1-a.log.bz2:Sep 30 12:47:34 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #42008146&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;10/07/na1-a.log.bz2:Oct&amp;nbsp; 7 16:51:41 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #19161536&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;10/07/na1-a.log.bz2:Oct&amp;nbsp; 7 16:51:41 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #19161536&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/02/na1-a.log.bz2:Nov&amp;nbsp; 2 11:57:21 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #43051324&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/11/na1-a.log.bz2:Nov 11 01:06:23 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41127611&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/11/na1-a.log.bz2:Nov 11 01:06:24 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41127611&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/14/na1-a.log.bz2:Nov 14 04:30:11 na1-a [na1-a: raid.rg.scrub.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41557231, during scrub.&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/14/na1-a.log.bz2:Nov 14 04:30:42 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41557231&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/15/na1-a.log.bz2:Nov 15 22:03:24 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41579904&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/15/na1-a.log.bz2:Nov 15 22:03:24 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41579904&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/16/na1-a.log.bz2:Nov 16 03:00:04 na1-a [na1-a: raid.tetris.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #34632270 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/16/na1-a.log.bz2:Nov 16 03:00:06 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #34632270&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/21/na1-a.log.bz2:Nov 21 02:00:59 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #45155745&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/21/na1-a.log.bz2:Nov 21 02:00:59 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #45155745&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/21/na1-a.log.bz2:Nov 21 02:30:34 na1-a [na1-a: raid.tetris.media.recommend.reassign.err:info]: Block recommended for reassignment on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #53136257 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/21/na1-a.log.bz2:Nov 21 02:30:34 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #53136257&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/21/na1-a.log.bz2:Nov 21 17:22:36 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #32003520&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/21/na1-a.log.bz2:Nov 21 17:22:36 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #32003520&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/26/na1-a.log.bz2:Nov 26 09:04:57 na1-a [na1-a: raid.tetris.media.recommend.reassign.err:info]: Block recommended for reassignment on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #42176960 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/26/na1-a.log.bz2:Nov 26 09:04:57 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #42176960&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/27/na1-a.log.bz2:Nov 27 01:36:52 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #26939584&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/27/na1-a.log.bz2:Nov 27 01:36:52 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #26939584&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/29/na1-a.log.bz2:Nov 29 09:16:15 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #52566345&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/29/na1-a.log.bz2:Nov 29 09:16:15 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #52566345&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/29/na1-a.log.bz2:Nov 29 12:03:44 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #7056768&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/29/na1-a.log.bz2:Nov 29 12:03:44 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #7056768&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/30/na1-a.log:Nov 30 08:17:27 na1-a [na1-a: raid.tetris.media.recommend.reassign.err:info]: Block recommended for reassignment on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41577728 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;11/30/na1-a.log:Nov 30 08:17:28 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #41577728&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;12/01/na1-a.log:Dec&amp;nbsp; 1 00:10:22 na1-a [na1-a: raid.tetris.media.recommend.reassign.err:info]: Block recommended for reassignment on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #49728270 during stripe write&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;12/01/na1-a.log:Dec&amp;nbsp; 1 00:10:22 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #49728270&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;12/01/na1-a.log:Dec&amp;nbsp; 1 02:03:18 na1-a [na1-a: raid.rg.scrub.media.recommend.reassign.err:info]: Block recommended for reassignment on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #14779074 during scrub&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;12/01/na1-a.log:Dec&amp;nbsp; 1 02:03:48 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #14779074&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;12/02/na1-a.log:Dec&amp;nbsp; 2 01:38:23 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #80977792&amp;nbsp; #015&lt;/P&gt;&lt;P class="p1"&gt;12/02/na1-a.log:Dec&amp;nbsp; 2 01:38:24 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0a.02.10 Shelf 2 Bay 10 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMVDBN], block #80977792&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;-J&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 02 Dec 2013 08:57:25 GMT</pubDate>
      <guid>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75180#M7216</guid>
      <dc:creator>JANAKE_RONNBLOM</dc:creator>
      <dc:date>2013-12-02T08:57:25Z</dc:date>
    </item>
    <item>
      <title>Re: Read error on Disk and lots of them - Is it normal?</title>
      <link>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75186#M7217</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Yeah, something is fishy with the drives, I bet.&amp;nbsp; Good luck...&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Bill&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 02 Dec 2013 16:15:24 GMT</pubDate>
      <guid>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75186#M7217</guid>
      <dc:creator>billshaffer</dc:creator>
      <dc:date>2013-12-02T16:15:24Z</dc:date>
    </item>
    <item>
      <title>Re: Read error on Disk and lots of them - Is it normal?</title>
      <link>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75193#M7218</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Still getting these errors. Netapp wont replace the drives prematurely and about two weeks later the disk finally dies and then autosupport triggers a case.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;This weeks "not an error message" message:&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;---&amp;lt; cut &amp;gt;---&lt;/P&gt;&lt;P&gt;06/na1-a.log.bz2:Jan&amp;nbsp; 6 05:27:48 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0b.02.13 Shelf 2 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMWJUN], block #81237916&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;06/na1-a.log.bz2:Jan&amp;nbsp; 6 05:27:48 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0b.02.13 Shelf 2 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMWJUN], block #81237916&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;06/na1-a.log.bz2:Jan&amp;nbsp; 6 05:31:26 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0b.02.13 Shelf 2 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMWJUN], block #81237935&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;06/na1-a.log.bz2:Jan&amp;nbsp; 6 05:31:26 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0b.02.13 Shelf 2 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMWJUN], block #81237936&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;06/na1-a.log.bz2:Jan&amp;nbsp; 6 05:31:26 na1-a [na1-a: raid.read.media.err:debug]: Read error on Disk /aggr0/plex0/rg1/0b.02.13 Shelf 2 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMWJUN], block #81237937&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;06/na1-a.log.bz2:Jan&amp;nbsp; 6 05:31:27 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0b.02.13 Shelf 2 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMWJUN], block #81237935&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;06/na1-a.log.bz2:Jan&amp;nbsp; 6 05:31:27 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0b.02.13 Shelf 2 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMWJUN], block #81237936&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;06/na1-a.log.bz2:Jan&amp;nbsp; 6 05:31:27 na1-a [na1-a: raid.rg.readerr.repair.data&amp;amp;colon;debug]: Fixing bad data on Disk /aggr0/plex0/rg1/0b.02.13 Shelf 2 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMWJUN], block #81237937&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;06/na1-a.log.bz2:Jan&amp;nbsp; 6 05:31:38 na1-a [na1-a: raid.disk.offline:notice]: Marking Disk /aggr0/plex0/rg1/0b.02.13 Shelf 2 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMWJUN] offline.&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;06/na1-a.log.bz2:Jan&amp;nbsp; 6 05:31:56 na1-a [na1-a: raid.disk.online:notice]: Onlining Disk /aggr0/plex0/rg1/0b.02.13 Shelf 2 Bay 13 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMWJUN].&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;06/na1-a.log.bz2:Jan&amp;nbsp; 6 05:31:57 na1-a [na1-a: raid.rg.recons.start:debug]: /aggr0/plex0/rg1: starting reconstruction, using disk 0b.02.13&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;10/na1-a.log:Jan 10 02:00:49 na1-a [na1-a: raid.disk.offline:notice]: Marking Disk /aggr0/plex0/rg1/0a.02.4 Shelf 2 Bay 4 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMBZ9N] offline.&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;10/na1-a.log:Jan 10 02:01:05 na1-a [na1-a: raid.disk.online:notice]: Onlining Disk /aggr0/plex0/rg1/0a.02.4 Shelf 2 Bay 4 [NETAPP&amp;nbsp;&amp;nbsp; X411_HVIPC420A15 NA02] S/N [J1VMBZ9N].&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;10/na1-a.log:Jan 10 02:01:05 na1-a [na1-a: raid.rg.recons.start:debug]: /aggr0/plex0/rg1: starting reconstruction, using disk 0a.02.4&amp;nbsp; #015&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="font-size: 10pt; line-height: 1.5em;"&gt;---&amp;lt; cut &amp;gt;---&lt;/SPAN&gt;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 10 Jan 2014 06:47:21 GMT</pubDate>
      <guid>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75193#M7218</guid>
      <dc:creator>JANAKE_RONNBLOM</dc:creator>
      <dc:date>2014-01-10T06:47:21Z</dc:date>
    </item>
    <item>
      <title>Re: Read error on Disk and lots of them - Is it normal?</title>
      <link>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75197#M7219</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Have you tried escalating through your sales rep or local support team?&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 10 Jan 2014 16:11:28 GMT</pubDate>
      <guid>https://community.netapp.com/t5/VMware-Solutions-Discussions/Read-error-on-Disk-and-lots-of-them-Is-it-normal/m-p/75197#M7219</guid>
      <dc:creator>billshaffer</dc:creator>
      <dc:date>2014-01-10T16:11:28Z</dc:date>
    </item>
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