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Customizing the size of your RAID groups

You can customize the size of your RAID groups to ensure that your RAID group sizes are appropriate for the amount of storage you plan to include for an aggregate.

About this task

For standard aggregates, you change the size of RAID groups on a per-aggregate basis. For Flash Pool aggregates, you can change the RAID group size for the SSD RAID groups and the HDD RAID groups independently.

The following list outlines some facts about changing the RAID group size:

Step

  1. Use the applicable command:
    If you want to... Enter the following command...
    Change the maximum RAID group size for the SSD RAID groups of a Flash Pool aggregate aggr options aggr_name cache_raidsize size
    Change the maximum size of any other RAID groups aggr options aggr_name raidsize size

Examples

The following command changes the maximum RAID group size of the aggregate n1_a4 to 20 disks or array LUNs: aggr options n1_a4 raidsize 20

The following command changes the maximum RAID group size of the SSD cache RAID groups of the Flash Pool aggregate n1_cache_a2 to 24: aggr options n1_cache_a2 cache_raidsize 24