On Wed, 2005-06-29 at 14:02 +0100, Stephen Westrip wrote: > Dear P., > > Yes, this has happened EVERY time I have installed CentOS 4.0 (the only > version I have ever installed). I also boot up into rescue mode and then > issue just one grub command, > > grub-install /dev/i2o/hda (or whatever your device is called) > > This fixes the problem permanently. > > > Stephen Westrip > MetaFour > > > > > Peter Farrow wrote: > > > Dear All, > > > > I have recently had a bad experiences with Centos 4.0 and 4.1 when > > installing onto mirrored IDE drives using software mirror. > > > > The install goes through ok, but when the system comes to reboot, it > > seems the boot loader fails. I've seen fail on the first reboot or > > after a random number of reboots, across different hardware as wide > > and varied as you can get, the common factor is software raid, > > (mirrored drives). > > > > It either fails just displaying "GRUB" or fails with a flashing cursor > > at the bootup time. > > > > Booting a rescue cd, doing a chroot /mnt/sysimage and then the > > following grub commands fixes the issue permanently, so that it never > > fails again, > > > > grub > > > > grub-> root (hd0,0) > > grub-> setup (hd0) > > grup-> root (hd1,0) > > grub-> setup (hd1) > > grub-> quit > > > > it seems to me the Anaconda installer doesn't do something quite right > > which leads to this random style failure. Its only random as to when > > it will do it, unless you do this, it will do it at some point..... > > > > I've been doing Redhat for many years and never seen this problem > > before......anybody else seen this > > > > P. > > Just so you don't think this is a CentOS only issue: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=149587 https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=149064 Also ... Grub does not write to the mirror drive ... which can cause issues. It is recommended that you do a grub install (or Peter's solution) on both drives on your first reboot after a software mirror install. (Or put something in your ks file to do it post isntall for kickstart). -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: This is a digitally signed message part Url : http://lists.centos.org/pipermail/centos/attachments/20050629/807140a4/attachment.bin