[ZFS] recover destroyed zpool - what are the available options?

Beeblebrox zaphod at berentweb.com
Thu Apr 4 05:08:23 UTC 2013

I had a second pool on another partition of the same HDD, which was in the
same degraded state as the bsdr pool. The data on that pool had been
backed-up previously. I decided to try the export & re-import method on that
pool (-Z gives message: invalid option 'Z'). Result:
# zpool export oldpool
# zpool import -D -f -R /mnt -N -F -n  oldpool
Now the pool just disappears.
# zpool list -> does not show oldpool
# zpool import ->  no pools available to import

So the export & re-import method is NOT the way to do this.

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