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authorNeilBrown <neilb@suse.de>2013-12-02 16:08:04 +1100
committerNeilBrown <neilb@suse.de>2013-12-02 16:08:04 +1100
commit169ffac7ad7748c8586fd1d68b7a417d71133140 (patch)
treea803ecce4c74572e72724e84ca692824732672fb /udev-md-raid-assembly.rules
parent9ca39acb3e8bc31811e463d19fae81c5501aea65 (diff)
Systemd integration for starting newly-degraded arrays.
Normally "mdadm -I" will not start an array if it has reason to expect further devices. This means that if a device is removed while the host is shut down, "mdadm -I" will never start the device. If the array is know to the host, it make sense to start the array anyway after a reasonable timeout. This patch adds systemd/udev infrastructure so that 30 seconds after a known array first becomes able to be assembled as a degraded array, the array will be assembled even if more devices are still expected. Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'udev-md-raid-assembly.rules')
-rw-r--r--udev-md-raid-assembly.rules3
1 files changed, 2 insertions, 1 deletions
diff --git a/udev-md-raid-assembly.rules b/udev-md-raid-assembly.rules
index b6532658..72bbed4d 100644
--- a/udev-md-raid-assembly.rules
+++ b/udev-md-raid-assembly.rules
@@ -12,7 +12,8 @@ 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", RUN+="/sbin/mdadm --incremental $devnode --offroot"
+ACTION=="add", IMPORT{program}="/sbin/mdadm --incremental --export $devnode --offroot"
+ACTION=="add", ENV{MD_STARTED}=="*unsafe*", ENV{MD_FOREIGN}=="no", ENV{SYSTEMD_WANTS}+="mdadm-last-resort@$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"