Date: Wed, 7 Mar 2018 15:06:36 +0000 From: Rick Macklem <rmacklem@uoguelph.ca> To: NAGY Andreas <Andreas.Nagy@frequentis.com>, "'freebsd-stable@freebsd.org'" <freebsd-stable@freebsd.org> Subject: =?iso-8859-1?Q?Re:_NFS_4.1_RECLAIM=5FCOMPLETE_FS=A0failed_error_in_combin?= =?iso-8859-1?Q?ation_with_ESXi_client?= Message-ID: <YQBPR0101MB10427C97161C74A5C441D1DCDDD80@YQBPR0101MB1042.CANPRD01.PROD.OUTLOOK.COM> In-Reply-To: <2feda1e2-16d5-43b5-98eb-dcc71cc67c6f@frequentis.com> References: <c5c624de-42bb-45cf-8cf0-b25be56e5f58@frequentis.com> <YQBPR0101MB1042DEF0825996764CBCA829DDC40@YQBPR0101MB1042.CANPRD01.PROD.OUTLOOK.COM>, <D890568E1D8DD044AA846C56245166780124AFB90E@vie196nt> <YQBPR0101MB1042479407CAA253674BBAEBDDDB0@YQBPR0101MB1042.CANPRD01.PROD.OUTLOOK.COM> <D890568E1D8DD044AA846C56245166780124AFBD21@vie196nt>, <D890568E1D8DD044AA846C56245166780124AFBD91@vie196nt> <YQBPR0101MB104225B6884FEC70A03C61CCDDDA0@YQBPR0101MB1042.CANPRD01.PROD.OUTLOOK.COM>, <D890568E1D8DD044AA846C56245166780124AFC0E2@vie196nt>, <YQBPR0101MB1042040D2BFB3681E940D271DDDA0@YQBPR0101MB1042.CANPRD01.PROD.OUTLOOK.COM>, <2feda1e2-16d5-43b5-98eb-dcc71cc67c6f@frequentis.com>
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NAGY Andreas wrote: >Okay, that was the main reason for using NFS 4.1. >Is it planned to implement it, or is the focus on pNFS? I took a quick look and implementing this for some cases will be pretty easy. Binding a FORE channel is implied, so for that case all the server does is reply OK to the BIND_CONN_TO_SESSION. To know if the ESXi client case is a simple one, I need to see what the BIND_CONN_TO_SESSION arguments look like. If you can capture packets for when this second connection is done and email it to me as an attachment, I can look at what the BIND_CONN_TO_SESSIO= N args are. # tcpdump -s 0 -w <file.pcap> host <client-host-for-this-connection> run on the FreeBSD server should get the <file.pcap> I need. Alternately, if you have wireshark handy, you can just use it to look for the BIND_CONN_TO_SESSION request and see if it specifies (FORE, BACK, FORE_OR_BOTH or BACK_OR_BOTH) in it. FORE or FORE_OR_BOTH means it is easy to do and I can probably have a patch for testing in a day or two. rick
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