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Werk #4876: mounts: Fixed wrong handling of NFS mounts on Linux which are detected as stale

Component Checks & agents
Title mounts: Fixed wrong handling of NFS mounts on Linux which are detected as stale
Date Jun 26, 2017
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
1.5.0i1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT
1.4.0p8 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT
1.2.8p25 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

Such mounts are marked with '\040(deleted)' und therefore discovered as new services while the related services report {{UNKNOWN - filesystem not mounted}}.

This has been fixed. The service now reports {{WARN - Mount point detected as stale}}.

Please see https://utcc.utoronto.ca/~cks/space/blog/linux/NFSStaleUnmounting for more information.

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