broken vg after vgconvert -M1, trying to recover

[Stas Sergeev <stsp@aknet.ru>]

Hello.

Alasdair G Kergon wrote:
> To recover, you should: update to a newer version such as 2.02.42 or 2.02.43,
> find a suitable metadata backup file, edit it to ensure the LV UUIDs are
> compatible with LVM1 (ie small consecutive numbers with leading zeroes)
> then use vgcfgrestore.
OK, I recovered the backup from the
partition dump and upgraded lvm2 to
2.0.43. I changed the LV IDs, and
vgcfgrestore says this:
---
  PV /dev/sdb3 is a different format (seqno lvm1)
  Restore failed.
---

And if I also change the pv0 id,
I get this:
---
  Couldn't find device with uuid '000000-0000-0000-0000-0000-0000-000009'.
Segmentation fault
---

The segfault comes from archiver.c:296 -
pv->dev is NULL here, but the check is
missing.
Attached is my restored metadata backup.
Please let me know how can I recover from
that.

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