[linux-lvm] thin: 235:2 pool target (735616 blocks) too small: expected 809216

[Brian J. Murrell]

I have a Fedora 23 system running (presumably, since I can't boot it to
be 100% sure) 2.02.132 of LVM.  It has ceased to boot and reports:

device-mapper: resume ioctl on (253:2) failed: Invalid argument
Unable to resume laptop-pool00-tpool (253:2)
thin: Data device (dm-1) dicard unsupported: Disabling discard passdown.
thin: 235:2 pool target (735616 blocks) too small: expected 809216
table: 253:2: thin-pool preresume failed, error = -22

Any ideas what the problem could be?  I can't imagine why all of a
sudden the pool target would be smaller than it should be.

What further information can I provide to help debug (and very
hopefully repair) this system?

Cheers,
b.
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