From: Richard Fish <bigfish@asmallpond.org>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Creating RAID devices - udev question
Date: Sat, 12 Nov 2005 23:23:28 -0700 [thread overview]
Message-ID: <7573e9640511122223p11bf4ddcia76b14b14d452492@mail.gmail.com> (raw)
In-Reply-To: <200511130544.04390.mike@gaima.co.uk>
On 11/12/05, Mike Williams <mike@gaima.co.uk> wrote:
> On Sunday 13 November 2005 01:49, Brian Parish wrote:
> > I am trying to add a software RAID 5 disk set to an existing machine
> > installed using genkernel. All the RAID support is compiled into the
> > kernel, but no /dev/md? device files exist. I can create these using mknod
> > and make the RAID, but they don't survive a reboot. How do I tell udev to
> > create these files as persistant devices?
>
> All partitions in the RAID set need to be set to partition type fd (Linux raid
> autodetect), then the kernel will build the arrays during startup.
FYI, this is only true if the raid drivers are compiled into the
kernel (no modules), and you do _not_ use an initramfs to boot the
system. If you use an initramfs, the kernel skips the autodetection
of raid arrays.
-Richard
--
gentoo-user@gentoo.org mailing list
next prev parent reply other threads:[~2005-11-13 6:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-13 1:49 [gentoo-user] Creating RAID devices - udev question Brian Parish
2005-11-13 2:25 ` Richard Fish
2005-11-13 5:44 ` Mike Williams
2005-11-13 6:23 ` Richard Fish [this message]
2005-11-13 6:33 ` Brian Parish
2005-11-19 5:19 ` Brian Parish
2005-11-19 14:15 ` Brian Parish
2005-11-19 14:35 ` Mike Williams
2005-11-19 15:30 ` A. Khattri
2005-11-21 15:32 ` Neil Bothwick
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