Very Sorry about the delay. On Sat, 8 Jun 2013 08:13:58 -0700 Ronnie Sahlberg <ronniesahlberg@xxxxxxxxx> wrote: > Add target initiated NOP-IN so we can detect when an initiator is no longer available > and tear down the connection. > Add documentation to the manpage on how to configure the use of NOP-IN, the intervals > between the NOP-INs and after how many consequitive failures we will tear down the connection. > > Disabled by default to preserve the current behaviour but can be enabled/configured on the TGTD > command line. > > Signed-off-by: Ronnie Sahlberg <ronniesahlberg@xxxxxxxxx> > --- > doc/tgtd.8.xml | 29 +++++++++++++++ > usr/iscsi/iscsi_tcp.c | 95 ++++++++++++++++++++++++++++++++++++++++++++++++- > usr/iscsi/iscsid.c | 46 +++++++++++++++++++---- > usr/iscsi/iscsid.h | 2 + > usr/iscsi/transport.h | 1 + > 5 files changed, 164 insertions(+), 9 deletions(-) > > diff --git a/doc/tgtd.8.xml b/doc/tgtd.8.xml > index ce734ce..764e3fb 100644 > --- a/doc/tgtd.8.xml > +++ b/doc/tgtd.8.xml > @@ -129,6 +129,35 @@ > </screen> > </para> > </refsect2> > + <refsect2><title>noop_interval=<integer></title> > + <para> > + This option enables TGTD to send send NOP-OUT to check is > + a connected initiator is still alive. > + This parameter specifies the interval between each NOP-OUT that > + TGTD will send in seconds. > + </para> > + <para> > + This feature is disabled by default. > + </para> > + </refsect2> > + <refsect2><title>noop_count=<integer></title> > + <para> > + When sending NOP-OUT to the initiator, after this many consecutive > + failures TGTD will terminate the connection to the client. > + This feature can be used to read dead connections faster than waiting > + for any TCP-Keepalive to trigger. > + </para> > + <para> > + This feature is disabled by default. > + </para> > + <para> > + Example: send NOP-OUT every 5 seconds and abort the session after > + 6 failures. > + <screen format="linespecific"> > + tgtd --iscsi portal=192.0.2.1:3260,noop_interval=5,noop_count=6 Per target? -- To unsubscribe from this list: send the line "unsubscribe stgt" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
