On 10/10/2017 10:11 AM, Reindl Harald wrote:
Am 10.10.2017 um 11:00 schrieb Alexander Shenkin:
Thanks... I know nothing about "check scrubs". Could you point me to
a good resource? I've found
https://raid.wiki.kernel.org/index.php/Scrubbing and
https://raid.wiki.kernel.org/index.php/Scrubbing_the_drives, but it's
hard to tell exactly how the system should be configured in order to
run these regularly. A weekly cron perhaps? And, should it be just
check, or repair? etc... Any help you could offer would be welcome.
if your distribution don't install a cronjob for that you should blame
them because RAID without regular scrub is asking for troubles
[root@srv-rhsoft:~]$ rpm -q --file /etc/cron.d/raid-check
mdadm-4.0-1.fc26.x86_64
[root@srv-rhsoft:~]$ cat /etc/cron.d/raid-check
30 4 * * Mon root /usr/sbin/raid-check
Thanks Reindl. Here's what I have installed (no evidence of raid-check
available on my system):
$ cat /etc/cron.d/mdadm
57 0 * * 0 root if [ -x /usr/share/mdadm/checkarray ] && [ $(date +\%d)
-le 7 ]; then /usr/share/mdadm/checkarray --cron --all --idle --quiet; fi
Is this something I should run now? I figure it's a bad idea to push
an array that is starting to degrade... haven't had a chance to
replace the drive yet, but will get to it this week. Probably best to
start the scrubbing routines once I have 4 good drives in there I
figure...
NO - never put any load you can avoid on degraded arrays
thanks, i won't.
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