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
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