Data recovery -- thin provisioned LVM metadata (?) problem after hardware failure

RHEL & Fedora RPMs already have the thin_metadata_pack/unpack tools
integrated. Other distros may offer the tools if they had updated the
package to v1.0.x

On Fri, May 5, 2023 at 11:08?PM Zdenek Kabelac

> Hi
>
> We need the exact binary copy of _tmeta  LV  - thus just use
>
> dd if=/dev/qubes_dom0/pool00_tmeta  /tmp/tmeta_copy  bs=512K
> bzip2 /tmp/tmeta_copy
>
> With this data - also provide full lvm2 metadata for this VG
> (should be as a file in  /etc/lvm/backup  - or you could run
> just vgcfgbackup)
>
> thin_dump is already 'processed' result - so not usable for futher
> investigation.
>
> (Although it might interesting idea to add some 'option' to actually
> provide
> the above 'binary backup' is  built-in feature of this tool for bug
> reporting...)
>
>
> Regards
>
> Zdenek
>
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