GlusterFS metadata split brain recovery
While investigating an error related to failed documents I came across following error in the GlusterFS healing daemon log file: [2015-11-08 23:22:38.700539] E [afr-self-heal-common.c:197:afr_sh_print_split_brain_log] 0-gfs-volume-vol1-replicate-0: Unable to self-heal contents of ” (possible split-brain). Please delete the file from all but…
GlusterFS internals
GlusterFS stores metadata info in extended attributes which is supported and enabled by default in the XFS file system we use for the bricks. This is different approach then some other distributed storage cluster systems like Ceph for example that…