On Mon, Apr 19, 2010 at 1:42 AM, Ian Garbutt <ian.g.garb...@newcastle.gov.uk > wrote:
> Having looked through the forum I gather that you cannot just add an > additional device to to raidz pool. This being the case is what are the > alternatives that I could to expand a raidz pool? > > You can't expand the number of disks in a raidz vdev (go from 4-disk raidz1 to a 5-disk raidz1, for example). However, you can replace each of the disks in a raidz vdev with larger disks, thus expanding the total amount of storage available. We've done this on two of our storage servers, replacing 500 GB WD disks with 1.5 TB Seagate disks. You can also add another raidz vdev to the pool, thus increasing the total amount of storage available in the pool (zpool add poolname raidz disk1 disk2 disk3 disk4, for example). -- Freddie Cash fjwc...@gmail.com
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