[Users] ALERT! /dev/mapper/ubuntu-root does not exist

[Amba Giri]

Hello


I have installed kernel 2.6.18-ovz-028stab051.1 as the 1st kernel to boot in
GRUB.  It seemed to boot fine initally but today I find the following error
when I boot:

Loading,please wait...
/scripts/local-top/lvm2: 68: tr: not found
/scripts/local-top/lvm2: 68: sed: not found
/scripts/local-top/lvm2: 67: sed: not found
No volume groups found
ALERT! /dev/mapper/ubuntu-root does not exist. Dropping to a shell!
Check your root= boot argument (cat /proc/cmdline)
Check for missing modules (cat /proc/modules), or device files (ls /dev)
(initramfs)

Any assistance on this is greatly appreciated

Amba

ps. rebooting into kernel 2.6.22-14-server works fine
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