hi glusterfsguys, we use glusterfs version 3.0.0 with latest patches and get always an error: from the log: [2010-02-16 11:54:27] E [afr.c:179:afr_read_child] mirror: invalid argument: inode [2010-02-16 11:54:27] E [afr.c:179:afr_read_child] mirror: invalid argument: inode [2010-02-16 11:54:27] E [afr.c:179:afr_read_child] mirror: invalid argument: inode [2010-02-16 11:54:27] E [afr.c:179:afr_read_child] mirror: invalid argument: inode [2010-02-16 11:54:27] E [afr.c:179:afr_read_child] mirror: invalid argument: inode [2010-02-16 11:54:27] E [afr.c:179:afr_read_child] mirror: invalid argument: inode [2010-02-16 11:54:27] E [afr.c:179:afr_read_child] mirror: invalid argument: inode What does this error means? server config: # export-backup01-client_repl # gfs-01-01 /GFS/backup01 # gfs-01-02 /GFS/backup01 volume posix type storage/posix option directory /GFS/backup01 end-volume volume locks type features/locks option mandatory-locks on subvolumes posix end-volume volume writebehind type performance/write-behind option cache-size 8MB option flush-behind on subvolumes locks end-volume volume backup01 type performance/io-threads option thread-count 16 subvolumes writebehind end-volume volume server type protocol/server option transport-type tcp option transport.socket.listen-port 6996 option auth.addr.backup01.allow * subvolumes backup01 end-volume ----------------------------------------------------------------------------------------------------- client replication config: volume gfs-01-01-vol type protocol/client option transport-type tcp option remote-host gfs-01-01 option remote-port 6996 option remote-subvolume backup01 end-volume volume gfs-01-02-vol type protocol/client option transport-type tcp option remote-host gfs-01-02 option remote-port 6996 option remote-subvolume backup01 end-volume volume mirror type cluster/replicate subvolumes gfs-01-01-vol gfs-01-02-vol end-volume volume readahead type performance/read-ahead option page-size 1MB # unit in bytes option page-count 4 # cache per file = (page-count x page-size) subvolumes mirror end-volume volume writebehind type performance/write-behind option cache-size 1024KB option flush-behind on subvolumes readahead end-volume volume cache type performance/io-cache option cache-size 128MB subvolumes writebehind end-volume Thank you for your reply regards, roland