From: Dennis Schridde <devurandom@gmx.net>
To: linux-lvm@redhat.com
Cc: Marian Csontos <mcsontos@redhat.com>,
Zdenek Kabelac <zkabelac@redhat.com>
Subject: Re: [linux-lvm] Check of pool ernie/cache failed (status:1). Manual repair required!
Date: Tue, 05 Jun 2018 12:08:27 +0200 [thread overview]
Message-ID: <13069944.niihZIYQkx@monk> (raw)
In-Reply-To: <184ec98a-a34a-1338-a520-ff7669007e5d@redhat.com>
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On Tuesday, 5 June 2018 10:14:16 CEST Marian Csontos wrote:
> On 06/04/2018 01:50 PM, Dennis Schridde wrote:
> > 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.
Thanks for the insight. I attached the first 4890783 bytes (i.e. those before
the blocks of seemingly unstructured data, which I saw in `hexdump -C`) of
that LV to the bug report [4]. Hopefully it contains enough information to
figure out what is broken.
[4]: https://bugzilla.redhat.com/show_bug.cgi?id=1585670
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prev parent reply other threads:[~2018-06-05 10:08 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
2018-06-05 10:08 ` Dennis Schridde [this message]
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