çææ wrote: We tested the pNFS informance in the environment,and found that when client write data to /mnt,all of the data be sent to MDS firstly, and then MDS forwarded the data to DS,when we got the package by wireshark,and found most of the protocol between MDS and DS are NFS and TCP. I suspect you don't actually have a pnfs mount. Check/proc/self/mountstats for pnfs=LAYOUT_BLOCK_VOLUME. I recently added a troubleshooting section to the pnfs block client how-to, maybe that will help. http://wiki.linux-nfs.org/wiki/index.php/Fedora_pNFS_Client_Setup -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
