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→Fix the GRUB with the systemrescuecd
==Fix the GRUB with the systemrescuecd ==
==Fix the GRUB with the systemrescuecd ==
{{note box| We go to work with [http://www.sysresccd.org/SystemRescueCd_Homepage SystemRescueCd] which is a Linux system rescue disk available as a bootable CD-ROM or USB stick for administrating or repairing your system and data after a crash.[http://www.sysresccd.org/Download Download]. The goal is to get mounted your logical volumes on /mnt where you can save them on a usb disk.}}
{{note box| We go to work with [http://www.sysresccd.org/SystemRescueCd_Homepage SystemRescueCd] which is a Linux system rescue disk available as a bootable CD-ROM or USB stick for administrating or repairing your system and data after a crash.[http://www.sysresccd.org/Download Download]. The goal is to mount your logical volumes on /mnt where you can save them on a usb disk.}}
I suppose that your SME Server is on a RAID1 of two disks, otherwise you have to adapt this HOWTO.
I presume that your SME Server is on a RAID1 of two disks, otherwise you will have to adapt this HOWTO.
*start the system with your system rescue cd or you usb stick, choose your keyboard settings
*start the system with your system rescue cd or you usb stick, choose your keyboard settings
*afterward if the LVM is launched without error messages, we can mount the LVM in /mnt
*afterward if the LVM is launched without error messages, we can mount the LVM in /mnt
{{tip box|if you have a name of logical volume who is not '''/dev/main/root''', you can type this command for knowing all your logical volume, and adapt this to your configuration.}}
{{tip box|if you have a logical volume that is not named '''/dev/main/root''', you can type the following command to list all your logical volumes, and then adapt this to your configuration.}}
lvdisplay
lvdisplay
*Now you have successfully mounted your LVM then do this
*Now you have successfully mounted your LVM do the following
mkdir /mnt/sysimage
mkdir /mnt/sysimage
===Installation of grub on the other disks===
===Installation of grub on the other disks===
*once your Sme started, you need to login in Root
*once your Sme started, you need to login in as root
then type
then type
grub
grub
from there you can reboot your server and check that the grub is installed on each hd. it is simple, with the boot menu or bios, you say on what hd you want to boot .
from there you can reboot your server and check that the grub is installed on each hd. it is simple, with the boot menu or bios, you say on what hd you want to boot .
to reach the boot menu of the bios, well it depends on your hardware ... F12 under dell, Acer Esc, F11 from msi ....
to reach the boot menu of the bios, well it depends on your hardware ... F12 under dell, Acer Esc, F11 from msi ....
==Fix Grub on a HP Proliant DL380 G2==
==Fix Grub on a HP Proliant DL380 G2==