When SANS Storage Having A Fever

When Centos (Its can be applied to other linux Distros) having problem to mount a file system in /etc/fstab when operating system boot, it will go into maintainance mode.

You can just enter the root password and run command fsck


but in this case the fiber channel card dead.

I need to bypass the file system until the fiber card replace. There is one problem. Under mantainance mode / root file system is only read only.

mount -o remount /

command to make / with read write mode. Manage to edit the /etc/fstab and remark the line needed and manage to reboot the system.

Then when the fiber channel replace. The volume group not detected. Haiya. What now.

due to error lvm will remove the vg from active list. Used this commands

pvscan

vgscan

vgchange -ay

making sure the volume group you want in the information.

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