Dne 23.9.2014 v 00:15 Robb Walker napsal(a):
Also see the same results on ubu 14.04.1 lvm thin provisioning + btrfs. haven't tried arch 3.16 kernel and tools yet
It's likely btrfs problem that it is not reporting duplicity problem?
In lvm2 we try to detect duplicate PVs and report problem and pick one to use.
Btrfs needs to do the same - I'd expect some kernel messages about these kind
of problems?
Snapshot activation is skipped here for a reason.
It's upto user/admin to avoid system confusion.
So my best advice is - to ensure you do not have active origin & snapshot at
the same time - especially when manipulating with btrfs - since it most likely
ignore device UUID generated by lvm (and that should be unique)
You will need to check disk btrfs identifiers if you need to have active these
volumes at the same time.
Robb Walker
Linux/Unix Services
Desk (312)542-2361 ~ Mobile (312)804-6034
Email: rwalker@drw.com
DRW Holdings, LLC ~ 540 West Madison St. Chicago, IL 60661
Regards
Zdenek
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