From: silentphoebus <silentphoebus@voila.fr>
To: dm-devel@redhat.com
Subject: RE: RE: RAID5 compatibility.
Date: Wed, 27 Feb 2008 17:59:43 +0100 (CET) [thread overview]
Message-ID: <31325860.300541204131583899.JavaMail.www@wwinf4618> (raw)
Thank you for your answer.
I can't manage the raid5 to work,
here are what what i do :
dmraid -s give me :
*** Group superset isw_hdaagdcbc
--> Subset
name : isw_hdaagdcbc_RAID5
size : 1465177344
stride : 128
type : raid5_la
status : ok
subsets: 0
devs : 4
spares : 0
dmraid -tay give me :
isw_hdaagdcbc_RAID5: 0 1465177344 raid45 core 2 131072 nosync raid5_la 1 128 4 -1 /dev/sda 0 /dev/sdb 0 /dev/sdc 0 /dev/sde 0
and dmraid -ay give me :
ERROR: device-mapper target type "raid45" not in kernel
and the /dev/mapper/ show only the control file.
i have try with the from the cvs tree and the current tools.
i use the latest kernel with raid456 compiled as modules and loaded.
What should i do to make the raid5 work.
Thank you very much.
>
>
> > Message du 26/02/08 à 10h00
> > De : "Cetnerowski, Adam" <adam.cetnerowski@intel.com>
> > A : silentphoebus@voila.fr, "device-mapper development" <dm-devel@redhat.com>
> > Copie à :
> > Objet : RE: [dm-devel] RAID5 compatibility.
> >
> >
> >
> > > -----Original Message-----
> > > From: dm-devel-bounces@redhat.com [mailto:dm-devel-bounces@redhat.com]
> > On > Behalf Of silentphoebus
> > > Sent: Monday, February 25, 2008 8:07 PM
> > > To: dm-devel@redhat.com
> > > Subject: [dm-devel] RAID5 compatibility.
> > >
> > > Hi all,
> > > i found a lot of informations on the internet for intel software raid5
> > > with ICH controler.
> > > So, the best is maybe to ask here.
> > > Is it compatible with the dmraid mapper or not ?
> > > Thank you for taking time to read.
> >
> > Hi,
> >
> > The software RAID 5 does indeed use device mapper. I would like to note
> > that at the moment it is in the experimental stage, while we work on
> > some of the features.
> >
> > Adam Cetnerowski
> > Intel Technology Poland
> >
> >
next reply other threads:[~2008-02-27 16:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-27 16:59 silentphoebus [this message]
2008-02-27 17:32 ` RE: RAID5 compatibility Wood, Brian J
-- strict thread matches above, loose matches on Subject: below --
2008-02-28 19:22 silentphoebus
2008-03-30 1:56 ` Ahmed Medhat
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