Re: Quick question on Software RAID support.

From: Francois Romieu (romieu@cogenit.fr)
Date: Wed Feb 13 2002 - 04:24:16 EST


Greetings,

Bill Davidsen <davidsen@tmr.com> :
[...]
> >From personal experience software RAID is quite fast, and very reliable
> regarding failures while running. If a disk fails the system drops back to
> recovery, and after a new drive is added and `raidhotadd' is run it is
> rebuilt.
>
> The dark side of the force is that is a drive fails on boot, I have had

(raid1)
- planned reboot;
- spontaneous fsck;
- rarely accessed part of a disk isn't happy
- is it normal for an scsi error to take more than 10 minutes ?
- LRB
- removal of faulty drive;
- reboot;
- spontaneous fsck;
-> now there's a nice fs with a 3 months old content.

Interesting experience for an otherwise usual sunday.

Btw, this log entry is a bit terse:

http://www.kernel.org/pub/linux/kernel/v2.4/testing/patch-2.4.18.log
[...]
- Fix rare data loss case with RAID-1

-- 
Ueimor
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Fri Feb 15 2002 - 21:00:52 EST