Hi, does anyone can share your experience on setting up the pNFS of file layout or block layout? the wiki instruction : http://wiki.linux-nfs.org/wiki/index.php/PNFS_Setup_Instructions does not work for me on step echo "/dev/sdc:192.168.0.1,192.168.0.2" >/proc/fs/nfsd/pnfs_dlm_device since i do not have that directory entry after install the pNFS kernel version. my system is ubuntu 14. this is my config file related with nfs part: CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=m CONFIG_NFS_V2=m CONFIG_NFS_V3=m CONFIG_NFS_V3_ACL=y CONFIG_NFS_V4=m CONFIG_NFS_SWAP=y CONFIG_NFS_V4_1=y CONFIG_NFS_V4_2=y CONFIG_PNFS_FILE_LAYOUT=m CONFIG_PNFS_BLOCK=m CONFIG_PNFS_OBJLAYOUT=m CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN="kernel.org" CONFIG_NFS_V4_SECURITY_LABEL=y CONFIG_NFS_FSCACHE=y # CONFIG_NFS_USE_LEGACY_DNS is not set CONFIG_NFS_USE_KERNEL_DNS=y CONFIG_NFS_DEBUG=y CONFIG_NFSD=m CONFIG_NFSD_V2_ACL=y CONFIG_NFSD_V3=y CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y CONFIG_NFSD_V4_SECURITY_LABEL=y # CONFIG_NFSD_FAULT_INJECTION is not set CONFIG_PNFSD=y CONFIG_PNFSD_LOCAL_EXPORT=y # CONFIG_PNFSD_LEXP_LAYOUT_SEGMENTS is not set CONFIG_PNFSD_LEXP_RETURN_ON_CLOSE=y # CONFIG_PNFSD_LEXP_COMMIT_THRU_MDS is not set # CONFIG_PNFSD_LEXP_INJECT_IO_ERRORS is not set CONFIG_LOCKD=m CONFIG_LOCKD_V4=y CONFIG_NFS_ACL_SUPPORT=m CONFIG_NFS_COMMON=y thanks a lot if anyone can help. -- 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