Hi,

> Do you have snapshots taking place (like in a cron job) during the
> resilver process?  If so, you may be hitting a bug that the resilver
> will restart from the beginning whenever a new snapshot occurs.  If
> you disable the snapshots during the resilver then it should complete
> to 100%.

no, I don't have snapshots taking place. I found that when I query zfs 
pool with "zpool status" it restarts resilvering process, strange ...

Anyway, after ~10 days resilvering has finally completed to 100%
  resilver completed with 0 errors on Wed Jan  2 12:46:10 2008

The filesystem is still slow however. When I try to run zpool iostat it
takes few hours to produce output, same with zfs create.

I can't even post output of "zpool status -v" as it takes that long to complete.

We have 11 disks (+1 hot spare) in raidZ config, why is the filesystem so slow 
even now when hot spare has replaced faulty disk ?

thanks,

Maciej
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