topic Single file snap restore performance in Network and Storage Protocols https://community.netapp.com/t5/Network-and-Storage-Protocols/Single-file-snap-restore-performance/m-p/8138#M754 <HTML><HEAD></HEAD><BODY><P>FAS2020, single 6x600GB RAID-DP RG aggregate, restoring a VMDK from a snapshot using the following command:</P><P></P><P>snap restore -t file -s test.1 -r /vol/test1/testvm1_restore/testvm1-flat.vmdk /vol/test1/testvm1/testvm1-flat.vmdk</P><P></P><P>Typical sysstat -x 10 output is as follows:</P><P></P><P>CPU&nbsp;&nbsp; NFS&nbsp; CIFS&nbsp; HTTP&nbsp;&nbsp; Total&nbsp;&nbsp;&nbsp; Net kB/s&nbsp;&nbsp; Disk kB/s&nbsp;&nbsp;&nbsp;&nbsp; Tape kB/s Cache Cache&nbsp; CP&nbsp;&nbsp; CP Disk&nbsp;&nbsp;&nbsp; FCP iSCSI&nbsp;&nbsp; FCP&nbsp; kB/s iSCSI&nbsp; kB/s</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; in&nbsp;&nbsp; out&nbsp;&nbsp; read&nbsp; write&nbsp; read write&nbsp;&nbsp; age&nbsp;&nbsp; hit time&nbsp; ty util&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; in&nbsp;&nbsp; out&nbsp;&nbsp;&nbsp; in&nbsp;&nbsp; out</P><P> 64%&nbsp;&nbsp;&nbsp; 16&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 28&nbsp;&nbsp; 210&nbsp;&nbsp;&nbsp; 17&nbsp;&nbsp; 7522&nbsp; 12064&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 14s&nbsp; 98%&nbsp; 53%&nbsp; Hf&nbsp; 23%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 12&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 7&nbsp;&nbsp;&nbsp;&nbsp; 0</P><P> 63%&nbsp;&nbsp;&nbsp; 20&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 36&nbsp;&nbsp; 233&nbsp;&nbsp;&nbsp; 25&nbsp;&nbsp; 7834&nbsp; 12750&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 21s&nbsp; 98%&nbsp; 57%&nbsp; Hf&nbsp; 25%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 16&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 9&nbsp;&nbsp;&nbsp;&nbsp; 0</P><P> 63%&nbsp;&nbsp;&nbsp; 18&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 32&nbsp;&nbsp; 238&nbsp;&nbsp;&nbsp; 17&nbsp;&nbsp; 8294&nbsp; 12059&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 13s&nbsp; 98%&nbsp; 52%&nbsp; H&nbsp;&nbsp; 23%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 14&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 9&nbsp;&nbsp;&nbsp;&nbsp; 0</P><P> 62%&nbsp;&nbsp;&nbsp; 28&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 43&nbsp;&nbsp; 209&nbsp;&nbsp;&nbsp; 82&nbsp;&nbsp; 7924&nbsp; 10858&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 18s&nbsp; 98%&nbsp; 46%&nbsp; H&nbsp;&nbsp; 23%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 15&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 11&nbsp;&nbsp;&nbsp;&nbsp; 0</P><P> 63%&nbsp;&nbsp;&nbsp; 15&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 34&nbsp;&nbsp; 245&nbsp;&nbsp;&nbsp; 26&nbsp;&nbsp; 7912&nbsp; 10963&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 6s&nbsp; 98%&nbsp; 49%&nbsp; H&nbsp;&nbsp; 23%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 19&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 13&nbsp;&nbsp;&nbsp;&nbsp; 0</P><P></P><P>Neither CPU nor disks are saturated - why isn't it running faster? 10-13MB/s for 4x 15k rpm drives is kind of slow.</P></BODY></HTML> Thu, 05 Jun 2025 06:51:19 GMT borismekler 2025-06-05T06:51:19Z Single file snap restore performance https://community.netapp.com/t5/Network-and-Storage-Protocols/Single-file-snap-restore-performance/m-p/8138#M754 <HTML><HEAD></HEAD><BODY><P>FAS2020, single 6x600GB RAID-DP RG aggregate, restoring a VMDK from a snapshot using the following command:</P><P></P><P>snap restore -t file -s test.1 -r /vol/test1/testvm1_restore/testvm1-flat.vmdk /vol/test1/testvm1/testvm1-flat.vmdk</P><P></P><P>Typical sysstat -x 10 output is as follows:</P><P></P><P>CPU&nbsp;&nbsp; NFS&nbsp; CIFS&nbsp; HTTP&nbsp;&nbsp; Total&nbsp;&nbsp;&nbsp; Net kB/s&nbsp;&nbsp; Disk kB/s&nbsp;&nbsp;&nbsp;&nbsp; Tape kB/s Cache Cache&nbsp; CP&nbsp;&nbsp; CP Disk&nbsp;&nbsp;&nbsp; FCP iSCSI&nbsp;&nbsp; FCP&nbsp; kB/s iSCSI&nbsp; kB/s</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; in&nbsp;&nbsp; out&nbsp;&nbsp; read&nbsp; write&nbsp; read write&nbsp;&nbsp; age&nbsp;&nbsp; hit time&nbsp; ty util&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; in&nbsp;&nbsp; out&nbsp;&nbsp;&nbsp; in&nbsp;&nbsp; out</P><P> 64%&nbsp;&nbsp;&nbsp; 16&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 28&nbsp;&nbsp; 210&nbsp;&nbsp;&nbsp; 17&nbsp;&nbsp; 7522&nbsp; 12064&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 14s&nbsp; 98%&nbsp; 53%&nbsp; Hf&nbsp; 23%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 12&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 7&nbsp;&nbsp;&nbsp;&nbsp; 0</P><P> 63%&nbsp;&nbsp;&nbsp; 20&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 36&nbsp;&nbsp; 233&nbsp;&nbsp;&nbsp; 25&nbsp;&nbsp; 7834&nbsp; 12750&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 21s&nbsp; 98%&nbsp; 57%&nbsp; Hf&nbsp; 25%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 16&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 9&nbsp;&nbsp;&nbsp;&nbsp; 0</P><P> 63%&nbsp;&nbsp;&nbsp; 18&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 32&nbsp;&nbsp; 238&nbsp;&nbsp;&nbsp; 17&nbsp;&nbsp; 8294&nbsp; 12059&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 13s&nbsp; 98%&nbsp; 52%&nbsp; H&nbsp;&nbsp; 23%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 14&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 9&nbsp;&nbsp;&nbsp;&nbsp; 0</P><P> 62%&nbsp;&nbsp;&nbsp; 28&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 43&nbsp;&nbsp; 209&nbsp;&nbsp;&nbsp; 82&nbsp;&nbsp; 7924&nbsp; 10858&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 18s&nbsp; 98%&nbsp; 46%&nbsp; H&nbsp;&nbsp; 23%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 15&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 11&nbsp;&nbsp;&nbsp;&nbsp; 0</P><P> 63%&nbsp;&nbsp;&nbsp; 15&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 34&nbsp;&nbsp; 245&nbsp;&nbsp;&nbsp; 26&nbsp;&nbsp; 7912&nbsp; 10963&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 6s&nbsp; 98%&nbsp; 49%&nbsp; H&nbsp;&nbsp; 23%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 19&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 13&nbsp;&nbsp;&nbsp;&nbsp; 0</P><P></P><P>Neither CPU nor disks are saturated - why isn't it running faster? 10-13MB/s for 4x 15k rpm drives is kind of slow.</P></BODY></HTML> Thu, 05 Jun 2025 06:51:19 GMT https://community.netapp.com/t5/Network-and-Storage-Protocols/Single-file-snap-restore-performance/m-p/8138#M754 borismekler 2025-06-05T06:51:19Z Single file snap restore performance https://community.netapp.com/t5/Network-and-Storage-Protocols/Single-file-snap-restore-performance/m-p/8142#M756 <HTML><HEAD></HEAD><BODY><P>Single file snap restore performance is miserable.Recently I had to test it on FAS3140 with 2 x 112 disks (SyncMirror). You get as much as 1GB/min (not measured exactly, but just looking at restoed size so far). It is really frustrating.</P></BODY></HTML> Sun, 03 Jul 2011 09:37:35 GMT https://community.netapp.com/t5/Network-and-Storage-Protocols/Single-file-snap-restore-performance/m-p/8142#M756 aborzenkov 2011-07-03T09:37:35Z Single file snap restore performance https://community.netapp.com/t5/Network-and-Storage-Protocols/Single-file-snap-restore-performance/m-p/8147#M758 <HTML><HEAD></HEAD><BODY><P>If you are restoring to a different file, use Snapvault resotre (if you have the license)</P><P>Snapvault restore works far far better .......</P><P></P><P>snap restore to a different file is toooooo slow.</P><P></P><P>_</P></BODY></HTML> Tue, 05 Jul 2011 04:22:20 GMT https://community.netapp.com/t5/Network-and-Storage-Protocols/Single-file-snap-restore-performance/m-p/8147#M758 nitish 2011-07-05T04:22:20Z