Date: Sat, 18 Oct 2003 11:59:49 -0400 From: "Dan Langille" <dan@langille.org> To: Dmitry Morozovsky <marck@rinet.ru> Cc: freebsd-questions@freebsd.org Subject: monitoring serial consoles (was Re: erorrs from spec_getpages) Message-ID: <3F912B35.8499.8A03538@localhost> In-Reply-To: <20031018193553.T6850@woozle.rinet.ru> References: <3F91235F.16514.8819817@localhost>
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Moving this thread over to -questions, please don't include freebsd-stable@freebsd.org in the reply On 18 Oct 2003 at 19:39, Dmitry Morozovsky wrote: > On Sat, 18 Oct 2003, Dan Langille wrote: > > [snip] > > DL> > Well I was in impression you've swapped out the disk, not cable, hence my > DL> > assumption. Sure it may be wrong cable; however, I suppose at least some ATA > DL> > errors should be logged somewhere before spec_getpages... > DL> > DL> They may have been, but they were not in /var/log/messages. If they > DL> were on the console, they were scrolled off the top. I couldn't > DL> scroll up because the keyboard hadn't been attached at boot, and I > DL> had not modified the kernel to allow for that situation. > > That's why I always try to set up logged serial console for any machine with > more than marginal importance. BTW, comms/conserver-com port is of great use > for this purpose! I have an 8 port serial Boca card here, which I have yet to get running. How does comms/conserver-com work? I couldn't determine that from the FAQ. Does it need any hardware? How does it monitor the serial console? Do you connect two boxes together via their serial ports? Box A reports on Box B, and vice versa? Or does it just monitor the serial console and report back to a central server? > I assumed here that usually you have more than one machine per physical > location; otherwise, I'd set up remote logging, preferrably to two different > machines via two different interfaces, but such ideal network design is > *rarely* reqchable ;-) I have one location which has only one box. That box and the bandwidth is kindly donated by BCHosting.com, and hosts freebsddiary.org, freshports.org, etc. It does about 45GB a month (at last check). I'd like to have a serial console there. But if it could the console remotely, that would be good. Cheers -- Dan Langille : http://www.langille.org/
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