linux-raid.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "Jon Nelson" <jnelson-linux-raid@jamponi.net>
To: Michael Tokarev <mjt@tls.msk.ru>
Cc: Linux-Raid <linux-raid@vger.kernel.org>
Subject: Re: External bitmap disappears
Date: Fri, 20 Jun 2008 08:48:14 -0500	[thread overview]
Message-ID: <cccedfc60806200648o39b2157cma2b88426abeee466@mail.gmail.com> (raw)
In-Reply-To: <485BB47E.8030804@msgid.tls.msk.ru>

I'd like to offer a suggestion, then:

perhaps mdadm --detail --scan
could add bitmap= to it's output as appropriate?


On Fri, Jun 20, 2008 at 8:45 AM, Michael Tokarev <mjt@tls.msk.ru> wrote:
> Jon Nelson wrote:
>> I've configured a raid10,f2 with an external bitmap:
>>
>> mdadm --grow --bitmap=/md0.bitmap /dev/md0
>>
>> The root ('/') filesystem is NOT on the raid. It's a normal partition
>> (/dev/sdb1, the boot device actually).
>> After reboot, cat /proc/mdstat does not show a bitmap. What's up with
>> that? That sure doesn't seem right.
>
> If a bitmap isn't stored inside a superblock, you have to
> specify the same filename when ASSEMBLING the array.
>
> Add it to mdadm.conf file.
>
> /mjt
>
>



-- 
Jon

  reply	other threads:[~2008-06-20 13:48 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-20 13:17 External bitmap disappears Jon Nelson
2008-06-20 13:45 ` Michael Tokarev
2008-06-20 13:48   ` Jon Nelson [this message]
2008-06-21  5:33     ` NeilBrown

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=cccedfc60806200648o39b2157cma2b88426abeee466@mail.gmail.com \
    --to=jnelson-linux-raid@jamponi.net \
    --cc=linux-raid@vger.kernel.org \
    --cc=mjt@tls.msk.ru \
    /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).