On Mon, 6 Nov 2006, Mikael Abrahamsson wrote: > On Mon, 6 Nov 2006, Neil Brown wrote: > > > So it looks like you machine recently crashed (power failure?) and it is > > restarting. > > Or upgrade some part of the OS and now it'll do resync every week or so (I > think this is debian default nowadays, don't know the interval though). it should be only once a month... and it's just a "check" -- it reads everything and corrects errors. i think it's a great thing actually... way more useful than smart long self-tests because md can reconstruct read errors immediately -- before you lose redundancy in that stripe. -dean % cat /etc/cron.d/mdadm # # cron.d/mdadm -- schedules periodic redundancy checks of MD devices # # Copyright © martin f. krafft <madduck@xxxxxxxxxxx> # distributed under the terms of the Artistic Licence 2.0 # # $Id: mdadm.cron.d 147 2006-08-30 09:26:11Z madduck $ # # By default, run at 01:06 on every Sunday, but do nothing unless the day of # the month is less than or equal to 7. Thus, only run on the first Sunday of # each month. crontab(5) sucks, unfortunately, in this regard; therefore this # hack (see #380425). 6 1 * * 0 root [ -x /usr/share/mdadm/checkarray ] && [ $(date +\%d) -le 7 ] && /usr/share/mdadm/checkarray --cron --all --quiet
