[rescue] Solaris ZFS questions
alaric at metrocast.net
Wed Jan 12 14:42:28 CST 2011
On 01/12/11 15:20, John Lengeling wrote:
> I have a degraded zfs pool reporting permanent errors under Solaris 10.
> I was going to backup the existing data, destroy/create the pool and
> then restore the data. I have a couple of questions.
> 1. I believe that the degraded drive had a read-error. When I take this
> drive out of the pool, how can I verify that I can read/write all
When did you last do a zpool scrub?
What exactly is the disk configuration and which disk failed? How many
disks are bad?
> 2. I tried to back up the data on the pool using GnuTAR with the
> --ignore-failed-read and GnuTar still errored/exited out and didn't just
> skip the file and continue writing. How can I get around this as I
> thought that the ignore failed read would just skip the file and
> continue on.
> 3. Does ZFS automatically perform a periodic read/verify scan over the
> entire pool or does this need to be enabled?
See above. :)
I run zpool scrub as a nightly cron job, on alternate pools each night.
You can only scrub one pool at a time.
Phil Stracchino, CDK#2 DoD#299792458 ICBM: 43.5607, -71.355
alaric at caerllewys.net alaric at metrocast.net phil at co.ordinate.org
Renaissance Man, Unix ronin, Perl hacker, Free Stater
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