Am 30.10.2017 um 19:08 schrieb Jun-Kai Teoh:
Thanks for all the responses, Mark, Anthony and Wol.
I have another hard drive on the way, just in case sda is truly dead.
I had no idea that when a drive "dies" in a RAID5 array - nothing
would notify me
on a proper distribution you have mdmon running which sends a mail when
a drive fails - see below - the problem is that you never tested the
behavior what happens when you plug out a disk before place data on the
array, doing so you would have found out how to make sure you get notifies
-------- Weitergeleitete Nachricht --------
Betreff: Fail event on /dev/md0:srv-rhsoft.rhsoft.net
Datum: Wed, 3 Dec 2014 11:32:35 +0100 (CET)
Von: mdadm monitoring <root@xxxxxxxxxxxxxxxxxxxxx>
An: root@xxxxxxxxxxxxxxxxxxxxx
This is an automatically generated mail message from mdadm
running on srv-rhsoft.rhsoft.net
A Fail event had been detected on md device /dev/md0.
It could be related to component device /dev/sdb1.
Faithfully yours, etc.
P.S. The /proc/mdstat file currently contains the following:
Personalities : [raid1] [raid10] md2 : active raid10 sda3[4] sdc3[5]
sdd3[0] sdb3[3]
3875222528 blocks super 1.1 512K chunks 2 near-copies [4/4] [UUUU]
bitmap: 1/29 pages [4KB], 65536KB chunk
md1 : active raid10 sda2[4] sdc2[5] sdb2[3] sdd2[0]
30716928 blocks super 1.1 512K chunks 2 near-copies [4/4] [UUUU]
bitmap: 1/1 pages [4KB], 65536KB chunk
md0 : active raid1 sda1[4] sdb1[3](F) sdd1[0] sdc1[5]
511988 blocks super 1.0 [4/3] [UUU_]
unused devices: <none>
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
