Given volfile:
+------------------------------------------------------------------------------+
  1: volume client
  2:  type protocol/client
  3:  option transport-type tcp
  4:  option remote-host localhost
  5:  option remote-subvolume brick
  6: end-volume
  7:
  8: volume trace
  9:   type debug/trace
 10:   subvolumes client
 11: end-volume

+------------------------------------------------------------------------------+
2009-03-26 12:16:35 D [spec.y:188:new_section] parser: New node for 'client'
2009-03-26 12:16:35 D [xlator.c:469:xlator_set_type] xlator: attempt to load file /usr/local/lib/glusterfs/2.0.0rc7/xlator/protocol/client.so
2009-03-26 12:16:35 D [spec.y:214:section_type] parser: Type:client:protocol/client
2009-03-26 12:16:35 D [spec.y:243:section_option] parser: Option:client:transport-type:tcp
2009-03-26 12:16:35 D [spec.y:243:section_option] parser: Option:client:remote-host:localhost
2009-03-26 12:16:35 D [spec.y:243:section_option] parser: Option:client:remote-subvolume:brick
2009-03-26 12:16:35 D [spec.y:327:section_end] parser: end:client
2009-03-26 12:16:35 D [spec.y:188:new_section] parser: New node for 'trace'
2009-03-26 12:16:35 D [xlator.c:469:xlator_set_type] xlator: attempt to load file /usr/local/lib/glusterfs/2.0.0rc7/xlator/debug/trace.so
2009-03-26 12:16:35 D [xlator.c:509:xlator_set_type] xlator: dlsym(notify) on /usr/local/lib/glusterfs/2.0.0rc7/xlator/debug/trace.so: undefined symbol: notify -- neglecting
2009-03-26 12:16:35 D [spec.y:214:section_type] parser: Type:trace:debug/trace
2009-03-26 12:16:35 D [spec.y:312:section_sub] parser: child:trace->client
2009-03-26 12:16:35 D [spec.y:327:section_end] parser: end:trace
2009-03-26 12:16:35 D [inode.c:1010:inode_table_new] libglusterfsclient: creating new inode table with lru_limit=14057
2009-03-26 12:16:35 D [inode.c:471:__inode_create] libglusterfsclient/inode: create inode(0)
2009-03-26 12:16:35 D [client-protocol.c:6559:init] client: defaulting transport-timeout to 600
2009-03-26 12:16:35 D [client-protocol.c:6570:init] client: defaulting ping-timeout to 10
2009-03-26 12:16:35 D [transport.c:141:transport_load] transport: attempt to load file /usr/local/lib/glusterfs/2.0.0rc7/transport/socket.so
2009-03-26 12:16:35 D [transport.c:141:transport_load] transport: attempt to load file /usr/local/lib/glusterfs/2.0.0rc7/transport/socket.so
2009-03-26 12:16:35 D [xlator.c:599:xlator_init_rec] client: Initialization done
2009-03-26 12:16:35 C [dict.c:1092:data_to_str] dict: @data=(nil)
2009-03-26 12:16:35 C [dict.c:1092:data_to_str] dict: @data=(nil)
2009-03-26 12:16:35 N [client-protocol.c:6159:client_setvolume_cbk] client: connection and handshake succeeded
2009-03-26 12:16:35 N [client-protocol.c:6159:client_setvolume_cbk] client: connection and handshake succeeded
2009-03-26 12:16:35 N [trace.c:1244:trace_lookup] trace: 0: (loc {path=/, ino=0})
2009-03-26 12:16:35 N [trace.c:512:trace_lookup_cbk] trace: 0: (op_ret=0, ino=0, *buf {st_dev=2049, st_ino=6643801, st_mode=40755, st_nlink=2, st_uid=1000, st_gid=1000, st_rdev=0, st_size=4096, st_blksize=4096, st_blocks=8})
2009-03-26 12:16:35 N [trace.c:1833:trace_opendir] trace: 1:( loc {path=/, ino=6643801}, fd=0xb6c004f0)
2009-03-26 12:16:35 N [trace.c:684:trace_opendir_cbk] trace: 1: (op_ret=0, op_errno=0, fd=0xb6c004f0)
2009-03-26 12:16:35 N [trace.c:1885:trace_readdir] trace: 2: (fd=0xb6c004f0, size=276, offset=0)
2009-03-26 12:16:35 N [trace.c:271:trace_readdir_cbk] trace: 2 :(op_ret=2, op_errno=0)
2009-03-26 12:16:35 N [trace.c:1885:trace_readdir] trace: 3: (fd=0xb6c004f0, size=276, offset=1720739247)
2009-03-26 12:16:35 N [trace.c:271:trace_readdir_cbk] trace: 3 :(op_ret=1, op_errno=0)
2009-03-26 12:16:35 N [trace.c:1885:trace_readdir] trace: 4: (fd=0xb6c004f0, size=276, offset=2147483647)
2009-03-26 12:16:35 N [trace.c:271:trace_readdir_cbk] trace: 4 :(op_ret=0, op_errno=0)
2009-03-26 12:16:35 N [trace.c:1712:trace_flush] trace: 5: (*fd=0xb6c004f0)
2009-03-26 12:16:35 N [trace.c:663:trace_flush_cbk] trace: 5: (op_ret=0, op_errno=0)
2009-03-26 12:16:35 N [trace.c:2261:fini] trace: trace translator unloaded