[Xen] Save file location

cd /var/lib/xen/save

this is path used by xen to store virtual machine state before shutdown/reboot.

i use du -lsh /var/lib/xen/* to trace what folder make my disk space full

Before

Filesystem Size Used Avail Use% Mounted on

/dev/hda6 8.6G 8.6G 0.0G 100% /

After

Filesystem Size Used Avail Use% Mounted on

/dev/hda6 8.6G 7.1G 1.1G 88% /

Solved.

reboot kernel only once

http://www.brianessig.com/2009/09/grub-reboot-to-new-kernel-once/

Source : IWH senior suport

reboot on kernel panic

http://www.techrepublic.com/blog/opensource/auto-reboot-linux-after-a-kernel-panic/158

credits to iwh unknown senior support

power off (shutdown) centos server

my linux box not power off after shutdown command. search across google and found this

http://lists.centos.org/pipermail/centos/2010-January/088192.html

trying poweoff command my server & still waiting if this success. :)