Here is a split brain error with 3.4.0beta2. The pending matric is not helpful here, is it? [2013-05-26 11:16:13.188433] W [fuse-bridge.c:2049:fuse_readv_cbk] 0-glusterfs-fuse: 2154845: READ => -1 (Input/output error) [2013-05-26 11:16:15.070787] E [afr-self-heal-common.c:197:afr_sh_print_split_brain_log] 0-gfs34-replicate-0: Unable to self-heal contents of '/manu/netbsd/usr/src/external/gpl3/gcc/lib/libgomp/obj/loop_ull.pico' (possible split-brain). Please delete the file from all but the preferred subvolume.- Pending matrix: [ [ 0 0 ] [ 0 0 ] ] [2013-05-26 11:16:15.581125] E [afr-self-heal-common.c:2212:afr_self_heal_completion_cbk] 0-gfs34-replicate-0: background data self-heal failed on /manu/netbsd/usr/src/external/gpl3/gcc/lib/libgomp/obj/loop_ull.pico [2013-05-26 11:16:16.020233] W [afr-open.c:213:afr_open] 0-gfs34-replicate-0: failed to open as split brain seen, returning EIO [2013-05-26 11:16:16.021889] W [page.c:991:__ioc_page_error] 0-gfs34-io-cache: page error for page = 0xb022b7c0 & waitq = 0xb60c1ac0 [2013-05-26 11:16:16.022028] E [iobuf.c:828:iobref_unref] 0-iobuf: invalid argument: iobref [2013-05-26 11:16:16.022171] W [fuse-bridge.c:2049:fuse_readv_cbk] 0-glusterfs-fuse: 2155125: READ => -1 (Input/output error) [2013-05-26 11:16:16.113816] W [afr-open.c:213:afr_open] 0-gfs34-replicate-0: failed to open as split brain seen, returning EIO [2013-05-26 11:16:16.119764] W [page.c:991:__ioc_page_error] 0-gfs34-io-cache: page error for page = 0xb022b640 & waitq = 0xb5e142e0 [2013-05-26 11:16:16.119946] E [iobuf.c:828:iobref_unref] 0-iobuf: invalid argument: iobref [2013-05-26 11:16:16.120580] W [fuse-bridge.c:2049:fuse_readv_cbk] 0-glusterfs-fuse: 2155214: READ => -1 (Input/output error) -- Emmanuel Dreyfus http://hcpnet.free.fr/pubz manu@xxxxxxxxxx