From mboxrd@z Thu Jan  1 00:00:00 1970
From: NeilBrown <neilb@suse.de>
Subject: Re: [PATCH] udev-rules: prevent systemd from mount devices before
 they are ready.
Date: Thu, 2 Aug 2012 10:09:30 +1000
Message-ID: <20120802100930.20c5cb9b@notabene.brown>
References: <1343724827-2179-1-git-send-email-harald@redhat.com>
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On Tue, 31 Jul 2012 10:53:47 +0200 harald@redhat.com wrote:

> From: Harald Hoyer <harald@redhat.com>
>=20
> In the "add" uevent, ATTR{md/array_state} does not exist, so the next
> rule does not kick in.
>=20
> When an array is assembled incrementally, systemd might see it
> before it is ready, try to mount it, fail, and give up.
> Result is that array doesn't get mounted.
>=20
> If we ask udev to tell systemd that it isn't ready yet in this
> case, systemd waits until it is ready, and all are happy.
> ---
>  udev-md-raid.rules | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>=20
> diff --git a/udev-md-raid.rules b/udev-md-raid.rules
> index 814c897..da9d3c5 100644
> --- a/udev-md-raid.rules
> +++ b/udev-md-raid.rules
> @@ -27,7 +27,7 @@ ENV{DEVTYPE}=3D=3D"partition", GOTO=3D"md_ignore_state"
>  # container devices have a metadata version of e.g. 'external:ddf' and
>  # never leave state 'inactive'
>  ATTR{md/metadata_version}=3D=3D"external:[A-Za-z]*", ATTR{md/array_state=
}=3D=3D"inactive", GOTO=3D"md_ignore_state"
> -TEST!=3D"md/array_state", GOTO=3D"md_end"
> +TEST!=3D"md/array_state", ENV{SYSTEMD_READY}=3D"0", GOTO=3D"md_end"
>  ATTR{md/array_state}=3D=3D"|clear|inactive", ENV{SYSTEMD_READY}=3D"0", G=
OTO=3D"md_end"
>  LABEL=3D"md_ignore_state"
> =20

Thanks!

applied.

NeilBrown

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