resize2fs is unable to resize a file system online, when ran creates error: Operation not permitted While trying to add group #XXX

Solution Verified - Updated -

Issue

  • When attempting to complete an on-line resize using the resize2fs command, on-line resizing fails with one of the following errors:
Filesystem at /dev/mapper/vg_test-lv_test is mounted on /mount; on-line resizing required
Performing an on-line resize of /dev/mapper/vg_test-lv_test to 125825024 (1k) blocks.
resize2fs: Operation not permitted While trying to add group #11800
kernel: EXT4-fs warning (device sda): ext4_group_add: No reserved GDT blocks, can't resize
  • How do I know if my filesystem is out of GDT blocks?

Environment

  • Red Hat Enterprise Linux
  • ext3 or ext4 file system
  • resize2fs filesystem resizing tool from e2fsprogs or e4fsprogs package

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.