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ZFS: change OS mirrored disks (ssd) by laptop disks + cache & log disks

Posted on 2013-01-06
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Last Modified: 2013-01-07
Hi,

I have my zfs for esxi running (Nexenta) on 2 ssd's. Now I would like to replace them with two (different) laptop disks.

I could reinstall but I wonder if the following would/could work (would save me some time):

1.remove 1 of 2 os disks (mirrored ssd)
2.add laptop disk
3.resync? not sure what nexenta will say/do
4.remove the other ssd and sync again

Would/could it work? Other drives in my server (ssd's 120GB): I just remove the cache/logdrives from my satazraid (ssd's 120GB), remove them from server and add the 60GB drives as cache/log.

Please advise.
J.
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Question by:janhoedt
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Andrew Hancock (VMware vExpert / EE MVE^2) earned 2000 total points
ID: 38749249
1. yes, that procedure will work for your OS disks.

the process of sync with ZFS is called "resilvering".

other disks, you will need to remove the disk as log and cache.

and then remove the disks, and then insert new disks, and add them back as log or cache devices.
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Author Closing Comment

by:janhoedt
ID: 38749255
Great news!
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Author Comment

by:janhoedt
ID: 38750147
Update: I replaced 1 ssd by a laptop disk. Didn't recognize it, so rebooted.
Now after reboot, it added it into the syspool. However, led on sharkoon (laptop disk- doesn't light up, how do I know that it works/how do I know when I can remove the other SSD (mirror OS) in order to add the second laptop disk

Note: didn't see any alert or received any mail when removed 1 of the OS SSD-drives
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