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Commit Graph

3 Commits

Author SHA1 Message Date
David Teigland
99ce09ae77 apply multipath_component_detection=0 to duplicate PV handling
multipath_component_detection=0 has always applied to the filter-based
component detection.  Also apply this setting to the duplicate-PV
handling which also eliminates multipath components (based on duplicate
PVs having the same wwid.)
2022-07-25 13:50:43 -05:00
David Teigland
494372b4ee filter-mpath: use multipath blacklist
Explicit wwid's from these sections control whether the
same wwid in /etc/multipath/wwids is recognized as a
multipath component.  Other non-wwid keywords are not
used, and may require disabling the use of the multipath
wwids file in lvm.conf.
2022-04-22 16:07:47 -05:00
David Teigland
212b1fc529 devices: exclude multipath components based on matching wwid
If multipath component devices get through the filter and
cause lvm to see duplicate PVs, then check the wwid of the
devs and drop the component devices as if they had been
filtered.  If a dm mpath device was found among the duplicates
then use that as the PV, otherwise do not use any of the
components as the PV.

"duplicate PVs" associated with multipath configs will no
longer stop commands from working.
2021-11-18 17:41:00 -06:00