resize2fs: Inappropriate ioctl for device While trying to add group #XXXX

Solution Verified - Updated -

Issue

  • Getting error while executing resize2fs command on ext3 filesystem: "resize2fs: Inappropriate ioctl for device While trying to add group #XXXX".
  • What are GDT blocks?
  • Not able to perform online resize of filesystem.
  • Filesystem extended to desired size but not able to resize up to desired size.

Environment

  • Red Hat Enterprise Linux (RHEL)
  • ext2
  • ext3
  • ext4

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