[CentOS] SOLVED: LVM, SATA controllers and BIOS devices
William L. Maltby
CentOS4Bill at triad.rr.com
Wed May 13 10:37:31 UTC 2009
On Tue, 2009-05-12 at 16:19 -0500, Chris Boyd wrote:
> On May 12, 2009, at 12:32 PM, William L. Maltby wrote:
>
> > IMO, yes (maybe). When the Initial install is done, I think there is
> > some stuff that is needed in the initrd to find the disk so root can
> > be
> > mounted. I'm not sure which initrd file contains it, but I think it's
> > got to be there somewhere. There are some more considerations I had
> > forgotten.
>
> Thanks, this gave the the hint I needed.
>
> Looking at the original modprobe.conf file, there was no entry in it
> for the driver for the second SATA controller.
>
> So to recover I booted the install CD in "linux rescue" mode.
>
> Ran "chroot /mnt/sysimage"
>
> I added
>
> alias scsi_hostadapter1 sata_promise
>
> to /etc/modprobe.conf
>
> Changed to the /boot directory
>
> mv initrd-2.6.18-128.1.6.el5.img initrd-2.6.18-128.1.6.el5.old
>
> mkinitrd initrd-2.6.18-128.1.6.el5.img 2.6.18-128.1.6.el5
>
> After that completed, I rebooted and the system came up clean--no fsck
> requested or any other oddities, system-config-lvm seems to be working
> fine.
>
> No mucking about in /etc/fstab was needed.
Glad all worked out. I now remember why I had to do fstab. I had some
duplicated backups on the hard drives that would be used if the primary
drive failed. During testing booting from the second drive, I needed
VolGroup00 to be VolGroupAA and other similar changes. This is what also
required changes in the init file in the initrd. There is an
--ignorelockingfailure imperitive that references the real root. For
fallback testing, it needed to reference the fallback (VolGroupAA)
volume.
>
> --Chris
> <snip sig stuff>
--
Bill
More information about the CentOS
mailing list