dm thin: document representation of <highest mapped sector> when there is none

Signed-off-by: mulhern <amulhern@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
mulhern 2017-11-27 10:02:43 -05:00 committed by Mike Snitzer
parent 9b28a1102e
commit 2bc8a61c69

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@ -396,3 +396,6 @@ ii) Status
If the pool has encountered device errors and failed, the status If the pool has encountered device errors and failed, the status
will just contain the string 'Fail'. The userspace recovery will just contain the string 'Fail'. The userspace recovery
tools should then be used. tools should then be used.
In the case where <nr mapped sectors> is 0, there is no highest
mapped sector and the value of <highest mapped sector> is unspecified.