Werk #9443: mkbackup on inactive nodes

Component Cluster
Title mkbackup on inactive nodes
Date Sep 21, 2021
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Appliance Version 1.4.17

This was a regression from werk 9442. You may observe this during a mkbackup on an inactive node:

File "/usr/sbin/mkbackup", line 1313, in existing_sites return sorted([ s for s in os.listdir("/omd/sites") OSError: [Errno 2] No such file or directory: '/omd/sites' ])

mkbackup on inactive nodes in a cluster, only backups and restores system data. Therefore we need also to adapt the needed locks.

SUP-7631

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