[PVFS_ERROR]:Protocol version mismatch: received major version 6 when expecting 5.

root@xieke:/home/xieke# pvfs2-ls
[E 11:02:43.405235] Error: poorly formatted protocol message received.
[E 11:02:43.405326]    Protocol version mismatch: received major version 6 when expecting 5.
[E 11:02:43.405342]    Please verify your PVFS2 installation
[E 11:02:43.405355]    and make sure that the version is consistent.
[E 11:02:43.405380] msgpairarray decode error: Protocol not supported
Error: could not initialize any file systems from /etc/pvfs2tab

原來是pvfstab的問題，因為我改了pvfs 中configruation檔案的連接埠，不是3334了，而我的pvfstab檔案還是

這樣的

tcp://xieke:3336/pvfs2-fs /mnt/pvfs2_2 pvfs2 defaults,noauto 0 0

很明顯這樣是錯誤的，所以改成3336就可以了。