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
will just contain the string 'Fail'. The userspace recovery
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.