I ran the following test: cd /mnt/glusterfs glusterfs # tar -cvjf ./test/test.tbz backups/ where backups is a large tree brick2, which exports /mnt/export and /mnt/namespace crashes almost immediately with the following bt: [Switching to Thread -1219015792 (LWP 1376)] 0xb7f1bb59 in truncate_stat_cbk () from /usr/lib/glusterfs/1.3.0-pre5/xlator/features/posix-locks.so (gdb) bt #0 0xb7f1bb59 in truncate_stat_cbk () from /usr/lib/glusterfs/1.3.0-pre5/xlator/features/posix-locks.so #1 0xb7f163ac in call_resume (stub=0x805ec70) at call-stub.c:2117 #2 0xb758a770 in iot_reply () from /usr/lib/glusterfs/1.3.0-pre5/xlator/performance/io-threads.so #3 0xb7ee63db in start_thread () from /lib/libpthread.so.0 #4 0xb7e7026e in clone () from /lib/libc.so.6 Harris