Linux bad superblock on /dev/mapper/VolGroup-lv_root
Hi Friends . my linux try to start very slowly after give it this error:
panic occurred, switching back to text console ( and computer froze on this screen )
and after i use it centos 6.4 setup cd and try to open with rescue mode its giving another error:
its just 1 HDD : WD 1TB and no partition for data . i just installed it for the operating system. its a squid and dhcp server.
pls help me guys im stucked and idont know to much about linux. what can i do ? thanx
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Last edited by Don Cragun; 10-24-2017 at 10:39 PM..
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So it's the partion 2, in Linux accessable as /dev/sda2,
but under lvm control, so you should try to repair it from a resuce system with lvm.
Stop the boot process with a few key strokes, so you get a grub menu that offers a rescue system.
If there is none, you can try to edit the normal linux system, and add rd.break to the kernel parameters, then continue the boot. It then spawns a rescue shell.
In the rescue system or in the rescue shell you must try to access the disk
The lsblk command should list a tree.
You can try to mount a part of it, probably /dev/mapper/VolGroup-lv_root,
(create an empty directory for example with mkdir -p /mnt)
so the command is
If the mount fails with "bad superblock", then run fsck on it.
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