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Use smarter multipath detection logic. 

This new setting for 'find_multipaths' tries to prevent things like
LVM from going ahead and activating LVM on the individual disks/paths
until there is reasonable certainty (via a timeout) that the device
is not a component of a multipath set.

NOTE: 'smart' is supported by device-mapper-multipath v0.7.7 and later.

Resolves: rhbz#1676777

(cherry picked from commit b8c1e706bb)
Signed-off-by: Brian C. Lane <bcl@redhat.com>
This commit is contained in:
David Lehman 2019-08-19 14:10:14 -04:00 committed by Brian C. Lane
parent 2f42748e5c
commit 0fbf37690f
1 changed files with 2 additions and 1 deletions
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3
share/templates.d/99-generic/runtime-postinstall.tmpl
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@ -105,7 +105,8 @@ symlink ../run/install mnt/install
append etc/depmod.d/dd.conf "search updates built-in"
## create multipath.conf so multipath gets auto-started
append etc/multipath.conf "defaults {\n\tfind_multipaths yes\n\tuser_friendly_names yes\n}\n"
append etc/multipath.conf "defaults {\n\tfind_multipaths smart\n\tuser_friendly_names yes\n}\n"
append etc/multipath.conf "blacklist_exceptions {\n\tproperty \"(SCSI_IDENT_|ID_WWN)\"\n}\n"
## make lvm auto-activate
remove etc/lvm/archive/*