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udev: properly trigger LVM scan for MD partitions

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MD can directly create partition devices without a need to run
an extra kpartx or partprobe call. We need to react to this event in
a different way as for bare MD devices - we need to handle the ADD event
for KERNEL=="md[0-9]*p[0-9]*" kernel name and trigger the LVM scanning
to update lvmetad to trigger autoactivation and so on...

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1023250
This commit is contained in:
Peter Rajnoha 2013-10-30 14:02:38 +01:00
parent 264b5c2b12
commit f070e3543a
2 changed files with 2 additions and 0 deletions
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WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.104 -
===================================
Fix missing lvmetad scan for PVs found on MD partitions.
Respect DM_UDEV_DISABLE_OTHER_RULES_FLAG in lvmetad udev rules.
Fix clvmd message verification to not reject REMOTE flag. (2.02.100)
Compare equality of double values with DBL_EPSILON predefined constant.

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udev/69-dm-lvm-metad.rules.in
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@ -58,6 +58,7 @@ LABEL="next"
KERNEL!="loop[0-9]*", GOTO="next"
ACTION=="add", ENV{LVM_LOOP_PV_ACTIVATED}=="1", GOTO="lvm_scan"
ACTION=="change", ENV{LVM_LOOP_PV_ACTIVATED}!="1", TEST=="loop/backing_file", ENV{LVM_LOOP_PV_ACTIVATED}="1", GOTO="lvm_scan"
ACTION=="add", KERNEL=="md[0-9]*p[0-9]*", GOTO="lvm_scan"
GOTO="lvm_end"
# If the PV is not a special device listed above, scan only after device addition (ADD event)