Why guest is not able to recognize the resized storage (lv on the KVM host) after rebooting?

Solution Verified - Updated -

Issue

  • Guest storage backed by a logical volume on the host was resized using lvextend. Unfortunately after rebooting the guest, it did not recognize the extended size in /proc/partitions on in "fdisk -l". How can I resolve this?
  • Guest was rebooted using "shutdown -r now" or "reboot" command from with in the guest.

Environment

  • Red Hat Enterprise Linux 5
  • KVM Guest

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