From: Neil Brown <neilb@suse.de>
To: Guy Watkins <linux-raid@watkins-home.com>
Cc: 'linux-raid' <linux-raid@vger.kernel.org>
Subject: Re: RAID6 clean?
Date: Mon, 4 Jun 2007 16:59:11 +1000 [thread overview]
Message-ID: <18019.47167.814394.650255@notabene.brown> (raw)
In-Reply-To: message from Guy Watkins on Monday June 4
On Monday June 4, linux-raid@watkins-home.com wrote:
> I have a RAID6 array. 1 drive is bad and now un-plugged because the system
> hangs waiting on the disk.
>
> The system won't boot because / is "not clean". I booted a rescue CD and
> managed to start my arrays using --force. I tried to stop and start the
> arrays but they still required --force. I then used "echo repair >
> sync_action" to make the arrays "clean". I can now stop and start the RAID6
> array without --force. I can now boot normally with 1 missing disk.
>
> Is there an easier method? Some sort of boot option? This was a real pain
> in the @$$.
>
> It would be nice if there was an array option to allow an "un-clean" array
> to be started. An option that would be set in the md superblock.
Documentation/md.txt
search for 'clean' - no luck.
search for 'dirty'
|
|So, to boot with a root filesystem of a dirty degraded raid[56], use
|
| md-mod.start_dirty_degraded=1
|
NeilBrown
next prev parent reply other threads:[~2007-06-04 6:59 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.64.0706021232040.13184@p34.internal.lan>
2007-06-02 21:26 ` RAID 6 grow problem Iain Rauch
2007-06-02 21:31 ` Justin Piszcz
2007-06-02 21:33 ` Justin Piszcz
2007-06-02 21:38 ` Neil Brown
2007-06-02 21:55 ` Iain Rauch
2007-06-02 22:07 ` Neil Brown
2007-06-02 22:35 ` Iain Rauch
2007-06-03 23:33 ` Daniel Korstad
2007-06-04 6:47 ` RAID6 clean? Guy Watkins
2007-06-04 6:59 ` Neil Brown [this message]
2007-08-18 5:40 ` Guy Watkins
2007-06-04 20:29 ` RAID 6 grow problem Bill Davidsen
2007-06-05 17:08 ` Iain Rauch
2007-06-05 19:21 ` Daniel Korstad
2007-06-05 21:26 ` Jon Nelson
2007-06-06 0:46 ` Neil Brown
2007-06-10 19:18 ` Iain Rauch
2007-06-10 20:17 ` Justin Piszcz
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=18019.47167.814394.650255@notabene.brown \
--to=neilb@suse.de \
--cc=linux-raid@vger.kernel.org \
--cc=linux-raid@watkins-home.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).