I've seen this in my log:
Mar 19 00:57:01 x /USR/SBIN/CRON[17832]: (root) CMD (if [ -x
/usr/share/mdadm/checkarray ]; then /usr/share/mdadm/checkarray --cron
--all --idle --quiet; fi)
Mar 19 00:57:01 x mdadm[1576]: RebuildStarted event detected on md
device /dev/md/0
Mar 19 01:30:21 x mdadm[1576]: Rebuild24 event detected on md device /dev/md/0
Mar 19 02:03:41 x mdadm[1576]: Rebuild47 event detected on md device /dev/md/0
Mar 19 02:37:02 x mdadm[1576]: Rebuild68 event detected on md device /dev/md/0
Mar 19 03:10:22 x mdadm[1576]: Rebuild87 event detected on md device /dev/md/0
Mar 19 03:38:00 x mdadm[1576]: RebuildFinished event detected on md
device /dev/md/0, component device mismatches found: 4608
This is a 3way mirror.
I've tought that swap was the culpit, but swap isn't used:
# free -m
total used free shared buffers cached
Mem: 32230 31844 386 0 1679 26026
-/+ buffers/cache: 4137 28092
Swap: 8191 0 8191
and IIRC, linux never clean the swap usage up to 0.
Are my data safe ? Is something to be worried about ?
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