[CentOS] install on raid1

[Dominik Zyla]

On Fri, Jul 23, 2010 at 10:12:13AM +0200, Wessel | Postoffice wrote:
> Hi All,
> 
> I'm currently trying to install centos 5.4 x86-64bit on a raid 1, so if one the
> 2 disks fails the server will still be available.
> i installed grub on /dev/sda using the advanced grub configuration option
> during the install.
> after the install is done i boot in linux rescue mode , chroot the filesystem
> and copy grub to both drives using:
> grub>root (hd0,0)
> grub>setup (hd0)
> grub>root (hd1,0
> grub>setup (hd1)
> grub>quit
> 
> then reboot, but is still get the error : disk boot faillure, insert linux
> install disk.
> does anyone now what i'm doing wrong? here is a copy of my partition scheme.
> 
> Disk /dev/sda: 251.0 GB, 251000193024 bytes
> 255 heads, 63 sectors/track, 30515 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> 
>   Device Boot      Start         End      Blocks   Id  System
> /dev/sda1   *           1          38      305203+  fd  Linux raid autodetect
> /dev/sda2              39         675     5116702+  fd  Linux raid autodetect
> /dev/sda3             676       30515   239689800   fd  Linux raid autodetect
> 
> Disk /dev/sdb: 251.0 GB, 251000193024 bytes
> 255 heads, 63 sectors/track, 30515 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> 
>   Device Boot      Start         End      Blocks   Id  System
> /dev/sdb1   *           1          38      305203+  fd  Linux raid autodetect
> /dev/sdb2              39         675     5116702+  fd  Linux raid autodetect
> /dev/sdb3             676       30515   239689800   fd  Linux raid autodetect
> 
> Disk /dev/md1: 5239 MB, 5239406592 bytes
> 2 heads, 4 sectors/track, 1279152 cylinders
> Units = cylinders of 8 * 512 = 4096 bytes
> 
> 
> Disk /dev/md0: 312 MB, 312410112 bytes
> 2 heads, 4 sectors/track, 76272 cylinders
> Units = cylinders of 8 * 512 = 4096 bytes
> 
> 
> Disk /dev/md2: 245.4 GB, 245442281472 bytes
> 2 heads, 4 sectors/track, 59922432 cylinders
> Units = cylinders of 8 * 512 = 4096 bytes

Try something like this:

Grub>device (hd0) /dev/sdb
Grub>root (hd0,0)
Grub>setup (hd0)


-- 
Dominik Zyla

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 195 bytes
Desc: not available
URL: <http://lists.centos.org/pipermail/centos/attachments/20100723/c0453294/attachment.sig>