On Wed, Jun 2, 2010 at 8:10 PM, Roman Naumenko <ro...@naumenko.ca> wrote:
> Well, I explained it not very clearly. I meant the size of a raidz array > can't be changed. > For sure zpool add can do the job with a pool. Not with a raidz > configuration. > You can't increase the number of drives in a raidz vdev, no. Going from a 4-drive raidz1 to a 5-drive raidz1 is currently impossible. And going from a raidz1 to a raidz2 vdev is currently impossible. On the flip side, it's rare to find a hardware RAID controller that allows this. But you can increase the storage space available in a raidz vdev, by replacing each drive in the raidz vdev with a larger drive. We just did this, going from 8x 500 GB drives in a raidz2 vdev, to 8x 1.5 TB drives in a raidz2 vdev. -- Freddie Cash fjwc...@gmail.com
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