Am Dienstag, 9. Mai 2006 07:50 schrieb Luca Berra:
you don't give a lot of information about your setup,
You're sure right here, I was a bit off track yesterday from tinkering till
night - info below.
in any case it could be something like udev and the /dev/sdd device node
not being available at boot?
Ok:
Slackware-current with kernel 2.6.14.6, *no* udev, plain old hotplug
I had to put the raid start script in a reasonable place myself (not preconfed
in Slack) so I have to figure yet if sees /etc/mdadm.conf when the script is
called. (If presence of mdadm.conf is totally uninteresting, let me know, I
just started on raid.)
The other disks are seen fine, and since they are all the same type on the
same controller there's no reason why it is not seen then.
(Unless for some reason mdadm talks to the *last* disk first and then stops -
else it should complain about sda rather.)
* mdadm -E info *
# mdadm -E /dev/sdd
/dev/sdd:
Magic : a92b4efc
Version : 00.90.02
UUID : db7e5b65:e35c69dc:7c267a5a:e676c929
Creation Time : Mon May 8 00:05:16 2006
Raid Level : raid5
Device Size : 244198464 (232.89 GiB 250.06 GB)
Array Size : 732595392 (698.66 GiB 750.18 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 0
Update Time : Tue May 9 00:43:46 2006
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
Checksum : 61f0ffd6 - correct
Events : 0.24796
Layout : left-symmetric
Chunk Size : 32K
Number Major Minor RaidDevice State
this 3 8 483 active sync /dev/sdd
0 0 800 active sync /dev/sda
1 1 8 161 active sync /dev/sdb
2 2 8 322 active sync /dev/sdc
3 3 8 483 active sync /dev/sdd
* mdstat *
Once I started the array manually (which works fine) mdstats look like:
# cat /proc/mdstat
Personalities : [raid5]
md0 : active raid5 sda1[0] sdd1[3] sdc1[2] sdb1[1]
732563712 blocks level 5, 32k chunk, algorithm 2 [4/4] []
unused devices: none
--
-BEGIN GEEK CODE BLOCK-
Version: 3.12
GCS d--(+)@ s-:+ a- C+++() UL+ P+++ L+++ E-- W++ N o? K-
w--(---) !O M+ V- PS++(+) PE(-) Y++ PGP t++(---)@ 5 X+(++) R+(++) tv--(+)@
b++(+++) DI+++ D G++ e* h++ r%* y?
--END GEEK CODE BLOCK--
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