topic Re: Recommended raid group size in ONTAP Hardware https://community.netapp.com/t5/ONTAP-Hardware/Recommended-raid-group-size/m-p/34833#M2423 <HTML><HEAD></HEAD><BODY><P>With this config (assuming a "load balance" HA Setup) you are not facing the raidgroup size question...</P><P></P><P>two controllers / each with one aggr0 of 11 disks, leaving 1 spare disk per controller...</P><P></P><P>Peter</P><P></P><P>PS default raidgroup size with SAS disks is 16 disks per RG (max 28)</P><P><STRONG><STRONG style=": ; font-size: 10pt; font-family: Times New Roman;">&nbsp; </STRONG></STRONG></P><P align="left">RAID-DP (Default)</P><P align="left">ATA/BSAS/SATA: 14&nbsp;&nbsp;&nbsp;&nbsp; FC/SAS: 16&nbsp;&nbsp;&nbsp;&nbsp; SSD: 23</P><P align="left">(Maximum)</P><P align="left">ATA/BSAS/SATA: 20&nbsp;&nbsp;&nbsp;&nbsp; FC/SAS: 28&nbsp;&nbsp;&nbsp;&nbsp; SSD: 28</P><P align="left"></P><P align="left">RAID4 (default)</P><P align="left">ATA/BSAS/SATA: 7&nbsp;&nbsp;&nbsp;&nbsp; FC/SAS/SSD: 8&nbsp;&nbsp;&nbsp;&nbsp; </P><P align="left">(Maximum)</P><P align="left">ATA/BSAS/SATA: 7&nbsp;&nbsp;&nbsp;&nbsp; FC/SAS/SSD: 14</P></BODY></HTML> Tue, 13 Nov 2012 10:27:59 GMT peter_lehmann 2012-11-13T10:27:59Z Recommended raid group size https://community.netapp.com/t5/ONTAP-Hardware/Recommended-raid-group-size/m-p/34828#M2422 <HTML><HEAD></HEAD><BODY><P><SPAN style="font-size: 8pt;"></SPAN></P><P></P><P></P><P>Hi,</P><P></P><P>I would like to know what your suggested Raid group size and number of disks is by Raid Type RAID-DP. Also would like to have two Aggregates for max IOPS.</P><P>Specs:</P><P>NetApp FAS2240-2, HA, 24x450GB (SAS 10K), Dual Controller met Data ONTAP </P><P>Essentials met Data ONTAP, DSM, MPIO, CIFS, NFS, iSCSI, FCP </P><P>en Local SyncMirror </P><P></P><P></P><P>Thanks.</P><P></P></BODY></HTML> Thu, 05 Jun 2025 06:15:23 GMT https://community.netapp.com/t5/ONTAP-Hardware/Recommended-raid-group-size/m-p/34828#M2422 jeroendevries 2025-06-05T06:15:23Z Re: Recommended raid group size https://community.netapp.com/t5/ONTAP-Hardware/Recommended-raid-group-size/m-p/34833#M2423 <HTML><HEAD></HEAD><BODY><P>With this config (assuming a "load balance" HA Setup) you are not facing the raidgroup size question...</P><P></P><P>two controllers / each with one aggr0 of 11 disks, leaving 1 spare disk per controller...</P><P></P><P>Peter</P><P></P><P>PS default raidgroup size with SAS disks is 16 disks per RG (max 28)</P><P><STRONG><STRONG style=": ; font-size: 10pt; font-family: Times New Roman;">&nbsp; </STRONG></STRONG></P><P align="left">RAID-DP (Default)</P><P align="left">ATA/BSAS/SATA: 14&nbsp;&nbsp;&nbsp;&nbsp; FC/SAS: 16&nbsp;&nbsp;&nbsp;&nbsp; SSD: 23</P><P align="left">(Maximum)</P><P align="left">ATA/BSAS/SATA: 20&nbsp;&nbsp;&nbsp;&nbsp; FC/SAS: 28&nbsp;&nbsp;&nbsp;&nbsp; SSD: 28</P><P align="left"></P><P align="left">RAID4 (default)</P><P align="left">ATA/BSAS/SATA: 7&nbsp;&nbsp;&nbsp;&nbsp; FC/SAS/SSD: 8&nbsp;&nbsp;&nbsp;&nbsp; </P><P align="left">(Maximum)</P><P align="left">ATA/BSAS/SATA: 7&nbsp;&nbsp;&nbsp;&nbsp; FC/SAS/SSD: 14</P></BODY></HTML> Tue, 13 Nov 2012 10:27:59 GMT https://community.netapp.com/t5/ONTAP-Hardware/Recommended-raid-group-size/m-p/34833#M2423 peter_lehmann 2012-11-13T10:27:59Z