From: Neil Brown <neilb@suse.de>
To: "Patrick H." <linux-raid@feystorm.net>
Cc: linux-raid@vger.kernel.org
Subject: Re: disable creation of md127
Date: Sat, 11 Dec 2010 08:58:59 +1100 [thread overview]
Message-ID: <20101211085859.55d0f889@notabene.brown> (raw)
In-Reply-To: <4D029DD6.5070705@feystorm.net>
On Fri, 10 Dec 2010 14:38:30 -0700 "Patrick H." <linux-raid@feystorm.net>
wrote:
> How can I prevent the MD driver from auto-creating md127 on boot?
> I have a server which is exporting /dev/sdb1 via iSCSI. The remote
> client for this device is using it in a raid device so it has raid
> metadata on it. However because of this, when the target server boots
> up, the md driver shoves it into md127. And because of this, the iSCSI
> target daemon (tgtd) wont export the device as its now part of a raid
> device.
> The partition type is 0x83, not 0xfd.
>
> RHEL6 2.6.32-71
The md driver isn't auto-creating this.
mdadm is being run and being asked to create this, possibly implicitly.
Exactly how you stop this from happening depends on where it is an initrd
script or a boot script that is doing it, and which version of mdadm you have.
If you have 3.0 or later, then putting
AUTO -all
in mdadm.conf might be enough.
If you have a 2.x, you probably need to tell the init script not to run
mdadm, maybe edit the script, maybe set some default variable. I know little
about RHEL and so cannot suggest specifics.
NeilBrown
next prev parent reply other threads:[~2010-12-10 21:58 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-10 21:38 disable creation of md127 Patrick H.
2010-12-10 21:58 ` Neil Brown [this message]
2010-12-10 22:36 ` Patrick H.
2010-12-10 22:43 ` Patrick H.
2010-12-11 2:44 ` Neil Brown
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