On 8/6/2015 5:11 PM, Chris Murphy wrote:> On Thu, Aug 6, 2015 at 2:57 PM, Bowie Bailey <Bowie_Bailey at buc.com> wrote: >> >> Ok. I'll give that a try tomorrow. Just a couple of questions. >> >> install --stage2=/boot/grub/stage2 /grub/stage1 d (hd0,1) /grub/stage2 p >> (hd0,1)/grub/grub.conf >> >> It looks like this mixes paths relative to root and relative to /boot. Did >> your test system have a separate /boot partition? > Yes. > > >> The --stage2 argument is >> "os stage2 file" according to my man page. Should this be relative to root >> even with a separate /boot partition? > I think it's being treated as a directory because it's going to access > this stage2 file. > >> Also, why are the exact same root and install commands run twice in the log >> you show? Is that just a duplicate, or does it need to be run twice for >> some reason? > I do not know. The whole thing is foreign to me. But both drives are > bootable as hd0 (the only drive connected). So it makes sense that the > configuration is treating this as an hd0 based installation of the > bootloader to both drives. The part were the stage 1 and 2 are > directed to separate drives must be the 'device (hd0) /dev/vdb' > command. Again, I don't know why it isn't either 'device (hd0) (hd1)' > or 'device /dev/vda /dev/vdb' but that's what the log sayeth.I tried the grub commands you gave and still got the same results. I also have a copy of the SuperGrub disc, which is supposed to be able to fix grub problems. It can boot the drive, but it can't fix it. If nothing else, I guess I could just leave that disc in the drive and use it to boot the system. I'm going to do a fresh install to the new drives and see if that works. -- Bowie
On Fri, Aug 7, 2015 at 8:12 AM, Bowie Bailey <Bowie_Bailey at buc.com> wrote:> I tried the grub commands you gave and still got the same results. I also > have a copy of the SuperGrub disc, which is supposed to be able to fix grub > problems. It can boot the drive, but it can't fix it. If nothing else, I > guess I could just leave that disc in the drive and use it to boot the > system. > > I'm going to do a fresh install to the new drives and see if that works.I suppose it's worth a shot. But like I mentioned earlier, keep in mind that CentOS 5 predates AF drives, so it will not correctly partition these drives such that they have proper 8 sector alignment. If you haven't already, check the logic board firmware and the HBA firmware for current updates. -- Chris Murphy
On 8/7/2015 8:35 PM, Chris Murphy wrote:> On Fri, Aug 7, 2015 at 8:12 AM, Bowie Bailey <Bowie_Bailey at buc.com> wrote: >> I tried the grub commands you gave and still got the same results. I also >> have a copy of the SuperGrub disc, which is supposed to be able to fix grub >> problems. It can boot the drive, but it can't fix it. If nothing else, I >> guess I could just leave that disc in the drive and use it to boot the >> system. >> >> I'm going to do a fresh install to the new drives and see if that works. > I suppose it's worth a shot. But like I mentioned earlier, keep in > mind that CentOS 5 predates AF drives, so it will not correctly > partition these drives such that they have proper 8 sector alignment.The fresh install will be with CentOS 6. A quick test with a minimal install booted without any problems, so it looks like this is the solution.> If you haven't already, check the logic board firmware and the HBA > firmware for current updates.I try to avoid firmware updates on established systems unless absolutely necessary. Since the CentOS 6 install produces a bootable system, I'm going to leave it as-is. -- Bowie