Increase Raid Group Size on Netapp to Add new Disks Cluster

After adding new disks to a controller you might come across an error about Max Raid Size Group

Default Raidsize group depends on size of disk but this will be 16 , FYI – The maximum RAID group size is 28

There does not seem to be an easy way to do this via GUI

Open Cluster Shell , enter the following to get into Aggr Options



Show your existing maxraidsize


aggr show -fields maxraidsize

Change the Value

aggr modify -aggregate aggrname -maxraidsize 18


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Tags: -maxraidsize, cluster, gui, increase, netapp, Raid Group Size

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