That is why you use LVM instead of raw dasd.

Oracle implements raw devices to share disk among cluster nodes. 

-----Original Message-----
From: Hannes Reinecke [mailto:[EMAIL PROTECTED] 
Sent: Friday, April 15, 2005 6:32 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: I want to use raw device on SLES9 SP1 kernel2.6.5-7.191-s390x

mainframe_s390 wrote:
> Hi, all
> 
> I want to use raw device on SLES9 SP1
> kernel2.6.5-7.191-s390x.
> This kernel version is first supporting raw devices of SLES9.
> But I don't know how to define raw device.
> I will use 10 Logical Volumes of 1VG.
> These 10 LVs will be raw devices.
> Should I define LVM first, and next define raw devices?
> Please teach me.
Do not, repeat _not_, use raw devices for that.
Raw devices will overwrite the DASD disklabel if you are not careful,
rendering the device unuseable at the next ipl.

What are you trying to achieve anyway?

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                     [EMAIL PROTECTED]
SuSE Linux AG                           S390 & zSeries
Maxfeldstraße 5                         +49 911 74053 688
90409 Nürnberg                          http://www.suse.de

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