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udev rules: try "mdadm -I" on "change" events. 

We need to attempt "mdadm -I" on "change" events as well as "add" events,
as the "change" make make a device ready to be part of an array.
This is particularly important for stacked md devices. When the
member devices are "add"ed they don't have any content visible yet.
That doesn't happen until a "change".

Idea taken from Fedora udev file.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2013-12-11 12:29:22 +11:00
parent 05ec50a57b
commit 25392f5fc5
1 changed files with 2 additions and 2 deletions
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4
udev-md-raid-assembly.rules
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@ -27,8 +27,8 @@ LABEL="md_inc"
# remember you can limit what gets auto/incrementally assembled by
# mdadm.conf(5)'s 'AUTO' and selectively whitelist using 'ARRAY'
ACTION=="add", IMPORT{program}="/sbin/mdadm --incremental --export $devnode --offroot ${DEVLINKS}"
ACTION=="add", ENV{MD_STARTED}=="*unsafe*", ENV{MD_FOREIGN}=="no", ENV{SYSTEMD_WANTS}+="mdadm-last-resort@$env{MD_DEVICE}.timer"
ACTION=="add|change", IMPORT{program}="/sbin/mdadm --incremental --export $devnode --offroot ${DEVLINKS}"
ACTION=="add|change", ENV{MD_STARTED}=="*unsafe*", ENV{MD_FOREIGN}=="no", ENV{SYSTEMD_WANTS}+="mdadm-last-resort@$env{MD_DEVICE}.timer"
ACTION=="remove", ENV{ID_PATH}=="?*", RUN+="/sbin/mdadm -If $name --path $env{ID_PATH}"
ACTION=="remove", ENV{ID_PATH}!="?*", RUN+="/sbin/mdadm -If $name"