RHEL : lvm commands not working , receives "command not found"

Solution Verified - Updated -

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Issue

  • System unable to boot receives lvm errors and unable to find root filesystem.

  • Booting into rescue mode and executing lvm command, it throws error

# lvs
-bash: lvs: command not found
[root@  ~]# lvdisplay
-bash: lvdisplay: command not found
  • Server unable to boot with the below error
mount: special device /dev/xxx/xxxdg/data does not exist.

Resolution

  • System seems to be missing the lvm binary files under /sbin folder .
  • Reinstall the lvm2 package in rescue mode and check to see if all binaries are now made available in /sbin folder. 
# yum reinstall lvm2

Root Cause

  • lvdisplay display binaries were missing
#ls -al /sbin/lv*
ls: /sbin/lv*: No such file or directory

Diagnostic Steps

# which lvdisplay
/sbin/lvdisplay

#ls -al /sbin/lv*
ls: /sbin/lv*: No such file or directory

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