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linux:crash_recovery

This is an old revision of the document!


Crash Recovery

Strato Root Server

Login to Remote-Console first, so you can see boot messages, … and kernel panics, if unlucky Recovery Console:

Set Boot mode to recovery in “RecoveryManager” at https://config.stratoserver.net/ Wait for 15-20min!! until “ServerData” Serverstatus shows: Installation finished

Strato sets RAIDs to /md/126 and md127 - that sucks! - via grub install, …,.. you can mess up the system

log in to recovery via

ssh root@IP   # recovery root passwd is shown in "Serverdata"

mount /dev/md127 /mnt/    # system partition
mount /dev/md126 /mnt/boot/    # boot partition

to re-install grub, you need to chroot

mount -o bind /dev /mnt/dev
mount -t proc none  /mnt/proc/
mount -t sysfs none /mnt/sys
chroot /mnt
update-grub

( grub-mkdevicemap  #  In case of error “no such disc” )
grub-install /dev/sda
grub-install /dev/sdb

To exit the recovery console you need to set boot mode to normal and wait 10min until “ServerData” Serverstatus shows: Installation finished

linux/crash_recovery.1446321074.txt.gz · Last modified: 2015/10/31 20:51 by tkilla