whats best pracfive for ZFS on a whole disc these days ?
doconnor at gsoft.com.au
Tue Oct 27 08:32:26 UTC 2009
On Tue, 27 Oct 2009, Artem Belevich wrote:
> > Unfortunately it appears ZFS doesn't search for GPT partitions so
> > if you have them and swap the drives around you need to fix it up
> > manually.
> When I used raw disk or GPT partitions, if disk order was changed the
> pool would come up in 'DEGRADED' or UNAVAILABLE state. Even then all
> that had to be done is export/import the pool. After the pool has
> been re-imported it was back to ONLINE.
Hmm OK, I thought it supposedly DTRT for raw disks but apparently not.
> Now I'm using GPT labels (gpart -l) specifically because that avoids
> issues with disk order or driver change. The pool I've built from GPT
> labels has survived several migrations between different
> controllers/drivers adX (ata) -> daX (SATA disks on mpt) -> adaX
> (ahci) and multiple drive permutations without any manual
> intervention at all. All that was done on 8-RC1/amd64.
> I have also successfully imported the pool on OpenSolaris and back
> again on FreeBSD.
Damn, if I'd realised I'd have done that :)
Do you know if it's possible to change?
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
-- Andrew Tanenbaum
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