> From: centos-bounces@xxxxxxxxxx
> [mailto:centos-bounces@xxxxxxxxxx] On Behalf Of
> israel.garcia@xxxxxxxxxxxx
>
> Hi, I have a new server HP proliant DL320 G4, with two 160
> GB SATA hdds.. I have installed CentOS 4.5 with mdadm
> without any problem, but when I disconnect one disk the
> server does not boot or I received a kernel panic when
> booting... I have disabled the SATA embeded raid (BIOS) and
> nothing.. I've also download the driver from HP site HP
> (Embedded SATA RAID Controller Driver Diskette for Red Hat
> Enterprise Linux 4 (x86)). and nothing it does not recognize
> the driver from HP... does anybody knows how to setup a
> software linux RAID on a proliant DL320 G4?
It really doesn't have to do with the server manufacturer it
is most likely your grub setup that is causing the problem.
Can you post a copy of your /etc/fstab, /boot/grub/menu.lst
and /boot/grub/device.map?
When I setup my OS HD in a RAID1 I followed this recipe:
1) create 2 100MB MD partitions on each drive, create raid1
mirror of them, mount it /boot and make it ext3 fs.
2) create 2 MD partitions on each drive out of the remaining
space, create a raid1 mirror of them, make the mirror an LVM
PV.
3) create VG named CentOS out of PV
4) create 8GB LV called root, mount it / and make it ext3.
5) create 4GB LV called swap, formatted swap
6) create 16GB LV called home, mount it /home and make it ext3.
After install make sure grub is installed on both HDs.
device.map:
# this device map was generated by anaconda
(hd0) /dev/sda
(hd1) /dev/sdb
# grub-install /dev/sda (if you booted then it is already on sda)
# grub-install /dev/sdb
menu.lst:
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.18-8.1.8.el5)
root (hd0,0)
kernel /vmlinuz-2.6.18-8.1.8.el5 ro root=/dev/CentOS/root
initrd /initrd-2.6.18-8.1.8.el5.img
fstab:
/dev/CentOS/root / ext3 defaults 1 1
/dev/md0 /boot ext3 defaults 1 2
/dev/CentOS/home /home ext3 defaults 1 3
devpts /dev/pts devpts gid=5,mode=620 0 0
tmpfs /dev/shm tmpfs defaults 0 0
proc /proc proc defaults 0 0
sysfs /sys sysfs defaults 0 0
/dev/CentOS/swap swap swap defaults 0 0
Now you can use a labels for /boot, to do so:
# e2label /dev/md0 boot
Then in fstab, replace the line starting with /dev/md0, with:
LABEL=boot /boot ext3 defaults 1 2
-Ross
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