Terrific - thanks Matthys! Dave
> On Jan 5, 2015, at 2:36 AM, Matthys Maree <[email protected]> wrote: > > Hi > > Roach#4 back ON. > > Probably the power cable. > > Cooling still fine inside container. > > Groete > > Matthys Maree > SKA South Africa – Carnarvon > > Tel: 021 506 7300 ext.#1035 (Carnarvon, Klerefontein) > Web : www.ska.ac.za <http://www.ska.ac.za/> > > From: danny jacobs [mailto:[email protected] > <mailto:[email protected]>] > Sent: 31 December 2014 06:57 AM > To: David DeBoer; PAPER List; Matthys Maree; Matt Dexter > Subject: Fwd: recalcitrant roach > > Hi Matthys (cc PAPER), > > One of our ROACHs has stopped responding. A power issue seems most likely. > What with the heat cycling, its possible that its power cable has loosened > (or maybe even the ethernet). A failing power supply is also possible. Could > you, or someone like you, double check that ROACH #4 is getting power and > shows an ethernet light? > > Thanks, > > ~Danny > > > > > ---------- Forwarded message ---------- > From: David MacMahon <[email protected] > <mailto:[email protected]>> > Date: Tue, Dec 30, 2014 at 12:21 PM > Subject: Re: recalcitrant roach > To: danny jacobs <[email protected] <mailto:[email protected]>> > Cc: Matt Dexter <[email protected] <mailto:[email protected]>> > > > Hi, Danny, > > pf4 seems to be having problems. These problems seem to have started on > December 19. The roach2s log a "syslog restart" line when they boot. I've > extracted the December restart messages from the log files: > > pf1:2014 Dec 19 08:46:09 syslogd 1.5.0#6: restart. > pf2:2014 Dec 19 08:46:15 syslogd 1.5.0#6: restart. > pf3:2014 Dec 19 08:46:17 syslogd 1.5.0#6: restart. > pf5:2014 Dec 19 08:46:15 syslogd 1.5.0#6: restart. > pf6:2014 Dec 19 08:46:16 syslogd 1.5.0#6: restart. > pf7:2014 Dec 19 08:46:16 syslogd 1.5.0#6: restart. > pf8:2014 Dec 19 08:46:15 syslogd 1.5.0#6: restart. > > pf4:2014 Dec 19 09:45:58 syslogd 1.5.0#6: restart. > pf4:2014 Dec 19 10:28:00 syslogd 1.5.0#6: restart. > pf4:2014 Dec 19 11:36:52 syslogd 1.5.0#6: restart. > pf4:2014 Dec 19 15:10:14 syslogd 1.5.0#6: restart. > pf4:2014 Dec 19 16:28:23 syslogd 1.5.0#6: restart. > > pf4:2014 Dec 20 23:17:49 syslogd 1.5.0#6: restart. > pf4:2014 Dec 23 23:55:54 syslogd 1.5.0#6: restart. > pf4:2014 Dec 26 20:33:59 syslogd 1.5.0#6: restart. > pf4:2014 Dec 28 02:26:52 syslogd 1.5.0#6: restart. > > pf1:2014 Dec 30 18:26:41 syslogd 1.5.0#6: restart. > pf2:2014 Dec 30 18:26:36 syslogd 1.5.0#6: restart. > pf3:2014 Dec 30 18:26:37 syslogd 1.5.0#6: restart. > pf5:2014 Dec 30 18:26:37 syslogd 1.5.0#6: restart. > pf6:2014 Dec 30 18:26:36 syslogd 1.5.0#6: restart. > pf7:2014 Dec 30 18:26:37 syslogd 1.5.0#6: restart. > pf8:2014 Dec 30 18:26:36 syslogd 1.5.0#6: restart. > > As you can see, pf4 did not restart on Dec 19 with the rest of the roach2s at > 08:46. It restarted almost an hour later at 9:45. It then restarted several > times throughout the day on the 19th. It also restarted sporadically a few > days since then with the most recent being on Dec 28 at 02:26. The last log > message for pf4 was Dec 28 03:06. It went down sometime in the next 20 > minutes after that. > > I'm guessing it's a flaky power issue. Hopefully just power cord that got > loose at one end or the other during the shutdown. If it's not that then I'd > guess it's something internal to the power supply? > > I've CC'd Matt in case he has any other ideas. > > It would probably be a good idea to have someone check on the power cables. > > Thanks, > Dave > > On Dec 30, 2014, at 8:32 AM, danny jacobs wrote: > > > Hi Dave, > > > > I thought I'd give PAPER a boot up and see if we could break the A/C but it > > looks like we may have a dead roach. #4 doesn't respond to pings even > > after power cycling. Just in case there was some mislabeling on the > > roachpdu apc page I even rebooted all of them. All go down, all come > > back... except for #4. > > > > Could you maybe take a look and confirm? > > > > Thanks, > > ~Danny > > > > > > -- > > > > National Science Foundation Fellow > > Arizona State University > > School of Earth and Space Exploration > > Low Frequency Cosmology > > Phone: (505) 500 4521 <tel:%28505%29%20500%204521> > > Homepage: http://loco.lab.asu.edu/danny_jacobs/ > > <http://loco.lab.asu.edu/danny_jacobs/> > > > > -- > > National Science Foundation Fellow > Arizona State University > School of Earth and Space Exploration > Low Frequency Cosmology > Phone: (505) 500 4521 > Homepage: http://loco.lab.asu.edu/danny_jacobs/ > <http://loco.lab.asu.edu/danny_jacobs/>
