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From: David Greaves <david@dgreaves.com>
To: Bryan Christ <bryan.christ@hp.com>
Cc: Justin Piszcz <jpiszcz@lucidpixels.com>,
	Bill Davidsen <davidsen@tmr.com>,
	linux-raid@vger.kernel.org
Subject: Re: Raid array is not automatically detected.
Date: Mon, 16 Jul 2007 16:21:41 +0100	[thread overview]
Message-ID: <469B8D05.1080003@dgreaves.com> (raw)
In-Reply-To: <469B7E75.3030907@hp.com>

Bryan Christ wrote:
> I do have the type set to 0xfd.  Others have said that auto-assemble 
> only works on RAID 0 and 1, but just as Justin mentioned, I too have 
> another box with RAID5 that gets auto assembled by the kernel (also no 
> initrd).  I expected the same behavior when I built this array--again 
> using mdadm instead of raidtools.

Any md arrays with partition type 0xfd using a 0.9 superblock should be 
auto-assembled by a standard kernel.

If you want to boot from them you must ensure the kernel image is on a partition 
that the bootloader can read - ie RAID 0. This is nothing to do with auto-assembly.

So some questions:
* are the partitions 0xfd ? yes.
* is the kernel standard?
* are the superblocks version 0.9? (mdadm --examine /dev/component)

David


  reply	other threads:[~2007-07-16 15:21 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-07-13 20:36 Raid array is not automatically detected Bryan Christ
2007-07-14  0:03 ` Zivago Lee
2007-07-14  2:09   ` Bryan Christ
2007-07-14 13:51 ` Bill Davidsen
2007-07-14 13:53   ` Justin Piszcz
2007-07-14 17:10     ` Bill Davidsen
2007-07-14 17:08       ` Justin Piszcz
2007-07-16 14:19     ` Bryan Christ
2007-07-16 15:21       ` David Greaves [this message]
2007-07-18  5:28         ` dean gaudet
2007-07-18  8:06           ` Justin Piszcz
2007-07-18  8:52           ` David Greaves
2007-07-18 14:39         ` Bryan Christ
2007-07-18 15:46           ` David Greaves
2007-07-18 15:49             ` Bryan Christ
2007-07-18 18:56             ` Bill Davidsen
2007-07-18 23:09               ` Neil Brown
  -- strict thread matches above, loose matches on Subject: below --
2008-10-17 15:07 Daniel Reichelt
2008-10-17 18:40 ` Bryan Christ

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