From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chandra Seetharaman Subject: Re: Configuring multipath for root device Date: Tue, 15 Jan 2008 18:32:53 -0800 Message-ID: <1200450773.7183.42.camel@linuxchandra> References: <110b17190712191302o60d521eaj693410c26d07c1ad@mail.gmail.com> <1198099093.26366.32.camel@linuxchandra> <110b17190801071219k11749b81n45a7d1d5d35b9413@mail.gmail.com> <4783239C.7020206@suse.de> <110b17190801151825ofd63e20yd9d4f01be7b67407@mail.gmail.com> Reply-To: sekharan@us.ibm.com, device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <110b17190801151825ofd63e20yd9d4f01be7b67407@mail.gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: device-mapper development List-Id: dm-devel.ids On Tue, 2008-01-15 at 18:25 -0800, Pradipmaya Maharana wrote: > Hi All, >=20 > Thanks for all your comments, it worked for installaions on partitions. Cool. >=20 > Now the question is: > Is it supposed to work the same way if the SLES is installed on LVM? Supposed to :) > On SLES, under fstab, I do not see any device, except for the boot > device; other entries does not have /dev/deisk mention. In such I am not clear about what you are mentioning here. Can you annotate with a cut-n-paste of /etc/fstab ? > scenario, how am I supposed to make the /root device multipath-aware? >=20 > I tried the same with RHEL, but with RHEL installed (with linux mpath) > on LVM, it seems to be working fine. Is there anything I am missing on > SLES? >=20 > Thanks and Regards, > Pradipmaya. >=20 >=20 >=20 > On Jan 7, 2008 11:17 PM, Hannes Reinecke wrote: > > Pradipmaya Maharana wrote: > > > RHEL Steps worked perfectly for me but i have a question for SLES i= nstallation. > > > > > > Question. While installing SLES on multipath devices, the second st= ep says: > > > > > > " 2. Complete the installation. Let the system boot up in multiuser= mode. > > > Make sure the root device, swap device are all referenced by their = by-id > > > device node entries instead of /dev/sd* type names. If they are not= , fix > > > them first." > > > > > > How do you check that root device and swap device are referenced by= their by-id? > > > And if it is not referenced by the by-id, how do I fix it? Re-insta= ll? > > > > > Check /etc/fstab. Those devices should be listed as /dev/disk/by-id/X= XX. > > If not (ie if their names are /dev/sdXX) look for the appropriate sym= link > > in /dev/disk/by-id and edit /etc/fstab. > > > > Cheers, > > > > Hannes > > -- > > Dr. Hannes Reinecke zSeries & Storage > > hare@suse.de +49 911 74053 688 > > SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N=C3=BCrnberg > > GF: Markus Rex, HRB 16746 (AG N=C3=BCrnberg) > > > > -- > > > > dm-devel mailing list > > dm-devel@redhat.com > > https://www.redhat.com/mailman/listinfo/dm-devel > > >=20 > -- > dm-devel mailing list > dm-devel@redhat.com > https://www.redhat.com/mailman/listinfo/dm-devel --=20 ---------------------------------------------------------------------- Chandra Seetharaman | Be careful what you choose.... - sekharan@us.ibm.com | .......you may get it. ----------------------------------------------------------------------