From mboxrd@z Thu Jan  1 00:00:00 1970
From: Neil Brown <neilb@suse.de>
Subject: Re: Partitionable raid array... How to create devices ?
Date: Tue, 16 Oct 2007 19:42:54 +1000
Message-ID: <18196.34718.434070.857620@notabene.brown>
References: <471474D6.5090704@systella.fr>
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To: =?ISO-8859-1?Q?BERTRAND_Jo=EBl?= <joel.bertrand@systella.fr>
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On Tuesday October 16, joel.bertrand@systella.fr wrote:
> 	Hello,
> 
> 	I use software raid for a long time without any trouble. Today, I have 
> to install a partitionable raid1 array over iSCSI. I have some questions 
> because I don't understand how make this kind of array.
> 
> 	I have a sparc64 (T1000) with a JBOD (U320 SCSI) that runs a 2.6.23 
> linux kernel and debian testing distribution.
> 
> /dev/sda : internal SAS drive -> OS
> /dev/sdb : internal SAS drive -> OS
> 
> I have made on /dev/sda and /dev/sdb seven raid1 volumes (non 
> partitionables arrays).
> 
> /dev/sd[c-h] : external U320 drives. Each 300 GB drive only contains one 
> "type fd" partition.
> 
> I have tried to create a partitionable array with :
> 
> Root gershwin:[/usr/src/linux-2.6.23] > mdadm -C /dev/mdp0 -l5 
> --auto=mdp4 -n6 /dev/sd[c-h]1

Try
  /dev/md/d0
or
  /dev/md_d0

as suggested in the "DEVICE NAMES" section of the man page.
However what you used should work.  I'll get that fixed for the next
release.

Thanks for the report,
NeilBrown