On Mon, Nov 19, 2007 at 05:37:52PM +0100, Nhan NGO DINH wrote: > Well, I got this running relying on /dev/dm-x device mapping and it works. > > I was just figuring out why BIOS is changing DDF volume names every > time... Is this meaning that BIOS try to autodetect RAID array-on-disk > signatures every reboot instead of reading configuration from NVRAM? Well, I don't know details of the Intel DDF implementation, but it doesn't necesarrily need to have NVRAM to change the volume name on BIOS detection of the DDF metadata. Just read/change/write in RAM. > think that this can be an issue for distro installers... Isn't it? See my statements below in that regard. Heinz > > Regards, > > Nhan > > Heinz Mauelshagen wrote: > >Ah, I misinterpreted your issue :( > >Well, it seems to look like the BIOS updating the DDF volumes name > >and hence causing the mapped device name changes. > >I gather this is bad for initrd and /etc/fstab name persistency. > > > >There's 2 ways to work around this: > >o use the DDF volume as an LVM physical volume, and create logical > > volumes in it for OS installation, hence having persistent LV names. > > Not sure if installers will fall on their back trying this > > > >o leverage the initrd/initscripts to compensate for the name change > > > > > >Regards, > >Heinz -- The LVM Guy -- > > > > -- > Nhan NGO DINH > Dilogix S.r.l. > > Tel: +39 06 85304201 > Fax: +39 06 85800436 > Cel: +39 328 4711229 > > e-mail: nhan.ngodinh@xxxxxxxxxx > web: http://www.dilogix.it > > See legal notes: > http://www.dilogix.it/legal_mail.html =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Heinz Mauelshagen Red Hat GmbH Consulting Development Engineer Am Sonnenhang 11 Storage Development 56242 Marienrachdorf Germany Mauelshagen@xxxxxxxxxx PHONE +49 171 7803392 FAX +49 2626 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- _______________________________________________ Ataraid-list mailing list Ataraid-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/ataraid-list
