Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 2 Feb 2018 11:43:04 +0100
From:      Ben RUBSON <ben.rubson@gmail.com>
To:        "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org>
Subject:   Re: ZFS pool faulted (corrupt metadata) but the disk data appears ok...
Message-ID:  <8282375D-5DDC-4294-A69C-03E9450D9575@gmail.com>
In-Reply-To: <9c995251-45f1-cf27-c4c8-30a4bd0f163c@sorbs.net>
References:  <54D3E9F6.20702@sorbs.net> <54D41608.50306@delphij.net> <54D41AAA.6070303@sorbs.net> <54D41C52.1020003@delphij.net> <54D424F0.9080301@sorbs.net> <54D47F94.9020404@freebsd.org> <54D4A552.7050502@sorbs.net> <54D4BB5A.30409@freebsd.org> <54D8B3D8.6000804@sorbs.net> <54D8CECE.60909@freebsd.org> <54D8D4A1.9090106@sorbs.net> <54D8D5DE.4040906@sentex.net> <54D8D92C.6030705@sorbs.net> <54D8E189.40201@sorbs.net> <54D924DD.4000205@sorbs.net> <54DCAC29.8000301@sorbs.net> <9c995251-45f1-cf27-c4c8-30a4bd0f163c@sorbs.net>

next in thread | previous in thread | raw e-mail | index | archive | help
On 02 Feb 2018 11:26, Michelle Sullivan wrote:

Hi Michelle,

> Michelle Sullivan wrote:
>> Michelle Sullivan wrote:
>>> So far (few hours in) zfs import -fFX has not faulted with this image...
>>> it's running out of memory currently about 16G of 32G- however 9.2-P15
>>> kernel died within minutes... out of memory (all 32G and swap) so am
>>> more optimistic at the moment...  Fingers Crossed.
>>>
>> And the answer:
>>
>> 11-STABLE on a USB stick.
>>
>> Remove the drive that was replacing the hotspare (ie the replacement
>> drive for the one that initially died)
>> zpool import -fFX storage
>> zpool export storage
>>
>> reboot back to 9.x
>> zpool import storage
>> re-insert drive replacement drive.
>> reboot
> Gotta thank people for this again, saved me again this time on a  
> non-FreeBSD system this time (with a lot of using a modified recoverdisk  
> for OSX - thanks PSK@)... Lost 3 disks out of a raidz2 and 2 more had  
> read errors on some sectors.. don't know how much (if any) data I've lost  
> but at least it's not a rebuild from back up of all 48TB..

What about the root-cause ?
Sounds like you had 5 disks dying at the same time ?
Do you periodically run long smart tests ? Zpool scrubs ?

Thx,

Ben



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?8282375D-5DDC-4294-A69C-03E9450D9575>