On May 26, 2011, at 2:57 PM, Upakul Barkakaty wrote: > Hi Chuck, > > Thanks for writing in. I am using the command line option -o vers=2. > > These 2 commands return different errors: > > mount -o vers=2 <ipv6-address>:<path> --> mount.nfs: an incorrect > mount option was specified > mount <ipv6-address>:<path> --> mount.nfs: system call failed > > RHEL6 uses NFSv4 by default so the second command is expected to use NFSv4. > > Both the above commands execute successfully in case of ipv4 addresses. Those error messages are a bit confusing, aren't they. Have you tried using the "proto=tcp6" mount option in either case? Do you enclose the IPv6 addresses in square brackets? What does "rpcinfo <ipv6-address>" say? -- Chuck Lever chuck[dot]lever[at]oracle[dot]com -- 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