From: Stefan Priebe - Profihost AG <s.priebe@profihost.ag>
To: NeilBrown <neilb@suse.de>
Cc: linux-raid@vger.kernel.org
Subject: Re: imsm raid is always readonly on boot
Date: Wed, 08 Feb 2012 09:30:42 +0100 [thread overview]
Message-ID: <4F3232B2.6010605@profihost.ag> (raw)
In-Reply-To: <20120208125729.5674f35d@notabene.brown>
Hi Neil,
Am 08.02.2012 02:57, schrieb NeilBrown:
> Probably mdmon isn't running for some reason.
>
> For these arrays the metadata is managed in user-space by mdmon.
> Until it is ready to record failures the array must remain readonly.
> On of the first things it does is switch the array to read-write, having
> arranged to catch any failure notifications.
>
> If you
>
> mdmon --all --takeover
>
> it might just start working. However that doesn't explain why mdmon wasn't
> started at boot. mdadm is meant to start it.
> There are some concerns about mdmon starting this way being not "the right
> thing" from a systemd perspective and there might be some issues there that
> are causing problems.
You're correct the mdmon does not run as the root filesystem is readonly
and it cannot create a pid file... and the root filesystem stays
readonly as the mdmon is not running...
Greets
Stefan
next prev parent reply other threads:[~2012-02-08 8:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-07 11:58 imsm raid is always readonly on boot Stefan Priebe - Profihost AG
2012-02-07 16:09 ` Jes Sorensen
2012-02-07 17:42 ` Stefan Priebe
2012-02-07 17:45 ` Jes Sorensen
2012-02-07 18:24 ` Stefan Priebe
2012-02-07 20:24 ` Jes Sorensen
2012-02-07 21:47 ` John Robinson
2012-02-08 1:57 ` NeilBrown
2012-02-08 8:30 ` Stefan Priebe - Profihost AG [this message]
2012-02-08 8:45 ` NeilBrown
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