- stop hobbit server
- zero out the existing log file
- apply the online fix
- So far so good, I can confirm the status-board error message is now gone ;)
bash-3.00# grep -i status-board *.log bash-3.00# pwd /var/opt/hobbitserver42/log bash-3.00# ls *.log acknowledge.log cgierror.log hobbitlaunch.log rrd-data.log bb-display.log clientdata.log hobbitlaunch.pid rrd-status.log bb-network.log history.log hostdata.log bb-retest.log hobbitd.log notifications.log bbcombotest.log hobbitd.pid page.log bash-3.00# cat /etc/release Solaris 10 6/06 s10s_u2wos_09a SPARC Copyright 2006 Sun Microsystems, Inc. All Rights Reserved. Use is subject to license terms. Assembled 09 June 2006 bash-3.00#
Good job on track down the cause on providing the fix.
T.J. Yang
From: Colin Spargo <cspargo2 at csc.com> Reply-To: hobbit at hswn.dk To: hobbit at hswn.dk Subject: [hobbit] "hobbitd status-board not available" from bbgen on solaris 10 Date: Thu, 19 Apr 2007 12:30:23 +0100
If anyone has been having issues with bbgen logging this error mesage on Solaris 10 and intermittently failing, resulting in blank status pages, then I think I have found a workaround.
If you disable TCP fusion be adding the following kernel parameter to /etc/system and reboot, hopefully you will find that the problem goes away.
set ip:do_tcp_fusion = 0
Apparently this can be done on a live system as well (without rebooting), but will require hobbit to be restarted. To do this:
echo do_tcp_fusion/W0 | mdb -kw
TCP fusion is only used on local loopback connections to speed them up by bypassing the normal TCP stack. I found that the problem only occured when connecting to hobbitd locally. I tried running "bb localhost hobbitdboard" once a second, and found it would often return no data, but if I ran the same command from another host to the hobbit server, it always returned correct data. This made me suspect TCP fusion, as I have run into issues with it before. It it is best left disabled in my opinion.
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