[DRBD-user] corrupted resource can't be fixed be rolling back to old snapshot

[Joel Colledge]

Hi Michael,

Are you using the most recent version of drbd-utils? There have been a
few fixes over the years which might be related.

Perhaps the hardware problems affected the metadata long ago and now
the corrupted metadata is present in all the snapshots.

If that is not the case, this looks to me more like a bug than a
misunderstanding of how DRBD works. Are you able to reproduce the
issue starting from a fresh volume? It could be that this particular
combination of device size and bitmap slot count triggers a bug that
no-one else has yet encountered. A reproducer would be necessary to
work on fixing it.

Best regards,
Joel