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Release notes for Gluster 3.12.3

This is a bugfix release. The release notes for 3.12.0, 3.12.1, 3.12.2, 3.12.3 contain a listing of all the new features that were added and bugs fixed in the GlusterFS 3.12 stable release.

Major changes, features and limitations addressed in this release

  1. The two regression related to with subdir mount got fixed - gluster volume restart failure (#1465123) - mounting gluster snapshot via fuse (#1501378)

  2. Improvements for "help" command with in gluster cli (#1509786)

  3. Introduction of new api glfs_fd_set_lkowner() to set lock owner

Major issues

  1. Expanding a gluster volume that is sharded may cause file corruption

    • Sharded volumes are typically used for VM images, if such volumes are expanded or possibly contracted (i.e add/remove bricks and rebalance) there are reports of VM images getting corrupted.
    • The last known cause for corruption #1465123 is still pending, and not yet part of this release.

Bugs addressed

 A total of 25 patches have been merged, addressing 25 bugs
  • #1484489: File-level WORM allows mv over read-only files
  • #1494527: glusterfs fails to build twice in a row
  • #1499889: md-cache uses incorrect xattr keynames for GF_POSIX_ACL keys
  • #1499892: md-cache: xattr values should not be checked with string functions
  • #1501238: [SNAPSHOT] Unable to mount a snapshot on client
  • #1501315: Gluster Volume restart fail after exporting fuse sub-dir
  • #1501864: Add generated HMAC token in header for webhook calls
  • #1501956: gfapi: API needed to set lk_owner
  • #1502104: [geo-rep]: RSYNC throwing internal errors
  • #1503239: [Glusterd] Volume operations fail on a (tiered) volume because of a stale lock held by one of the nodes
  • #1505221: glusterfs client crash when removing directories
  • #1505323: When sub-dir is mounted on Fuse client,adding bricks to the same volume unmounts the subdir from fuse client
  • #1505370: Mishandling null check at send_brick_req of glusterfsd/src/gf_attach.c
  • #1505373: server.allow-insecure should be visible in "gluster volume set help"
  • #1505527: Posix compliance rename test fails on fuse subdir mount
  • #1505846: [GSS] gluster volume status command is missing in man page
  • #1505856: Potential use of NULL this variable before it gets initialized
  • #1507747: clean up port map on brick disconnect
  • #1507748: Brick port mismatch
  • #1507877: reset-brick commit force failed with glusterd_volume_brickinfo_get Returning -1
  • #1508283: stale brick processes getting created and volume status shows brick as down(pkill glusterfsd glusterfs ,glusterd restart)
  • #1509200: Event webhook should work with HTTPS urls
  • #1509786: The output of the "gluster help" command is difficult to read
  • #1511271: Rebalance estimate(ETA) shows wrong details(as intial message of 10min wait reappears) when still in progress
  • #1511301: In distribute volume after glusterd restart, brick goes offline
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