From: Marian Csontos <mcsontos@redhat.com>
To: LVM general discussion and development <linux-lvm@redhat.com>,
Dennis Schridde <devurandom@gmx.net>
Cc: Zdenek Kabelac <zkabelac@redhat.com>
Subject: Re: [linux-lvm] Check of pool ernie/cache failed (status:1). Manual repair required!
Date: Tue, 5 Jun 2018 10:14:16 +0200 [thread overview]
Message-ID: <184ec98a-a34a-1338-a520-ff7669007e5d@redhat.com> (raw)
In-Reply-To: <2010899.yIpkChuX4T@monk>
On 06/04/2018 01:50 PM, Dennis Schridde wrote:
> Hello!
>
> On Tuesday, 15 May 2018 13:15:55 CEST Zdenek Kabelac wrote:
>> To get direct access to metadata - you could use your latest lvm2 2.02.177
>> build (or even 'git master'). In these recent versions there is added
>> support to activate directly these 'subLVs'. So with latest lvm2 you can:
>>
>> lvchange -ay vg/lv_cmeta
>
> This command was only successful in LVM 2.02.178-rc1, but failed in 2.02.177.
>
>> and then you can capture content of this LV via 'dd' into file
>> and compress and attach 'xz' compressed to BZ.
>
> I created a report in bugzilla [4], but since the `cache_cmeta` LV appears to
> contain parts of my personal files, I cannot attach it. However, I gained
It definitely should not. _cdata is where fragments you your data are
stored, and _cmeta contains only metadata (e.g. counters and references
to cdata.)
If there really are fragments of data in _cmeta LV, something must have
gone wrong elsewhere.
> access to the metadata LV now and would be able to provide you access to
> certain specific parts of it, if requested.
>
> My goal is still to gain access to as much of the data as possible.
>
> --Dennis
>
> [4]: https://bugzilla.redhat.com/show_bug.cgi?id=1585670
>
>
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm@redhat.com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>
next prev parent reply other threads:[~2018-06-05 8:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-11 17:34 [linux-lvm] Check of pool ernie/cache failed (status:1). Manual repair required! Dennis Schridde
2018-05-12 11:30 ` Dennis Schridde
2018-05-15 8:11 ` Dennis Schridde
2018-05-15 11:15 ` Zdenek Kabelac
2018-05-16 18:31 ` Dennis Schridde
2018-05-23 19:39 ` Dennis Schridde
2018-05-26 10:15 ` Dennis Schridde
2018-06-04 11:50 ` Dennis Schridde
2018-06-05 8:14 ` Marian Csontos [this message]
2018-06-05 10:08 ` Dennis Schridde
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