Hi Lanky, If you created a mirrored pool instead of a RAIDZ pool, you could use the zpool split feature to split your mirrored pool into two identical pools.
For example, If you had 3-way mirrored pool, your primary pool will remain redundant with 2-way mirrors after the split. Then, you would have a non-redundant pool as a backup. You could also attach more disks to the backup pool to make it redundant. At the end of the week or so, destroy the non-redundant pool and re-attach the disks to your primary pool and repeat. This is what I would do with daily snapshots and a monthly backup. Make sure you develop a backup strategy for any pool you build. Thanks, Cindy On 06/15/11 06:20, Lanky Doodle wrote:
That's how I understood autoexpand, about not doing so until all disks have been done. I do indeed rip from disc rather than grab torrents - to VIDEO_TS folders and not ISO - on my laptop then copy the whole folder up to WHS in one go. So while they're not one large single file, they are lots of small .vob files, but being written in one hit. This is a bit OT, but can you have one vdev that is a duplicate of another vdev? By that I mean say you had 2x 7 disk raid-z2 vdevs, instead of them both being used in one large pool could you have one that is a backup of the other, allowing you to destroy one of them and re-build without data loss?
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