How to expand a VMware vmdk and ext3 / ext4 / xfs filesystem on RHEL?

Solution Verified - Updated -

Issue

  • A filesystem is filling up and all extents in the volume group are used up. Need to expand the disk rather than add an additional disk, without taking the VM offline.
  • How to expand a physical volume by expanding underlying VMDK disks?

Environment

  • Red Hat Enterprise Linux (RHEL) 4,5,6,7,8,9
  • VMware

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