Date: Tue, 22 Jan 2013 19:16:48 +0200 From: Sami Halabi <sodynet1@gmail.com> To: Willem Jan Withagen <wjw@digiware.nl> Cc: freebsd-hackers@freebsd.org, freebsd-stable@freebsd.org, Ian Lepore <ian@freebsd.org> Subject: Re: Failsafe on kernel panic Message-ID: <CAEW%2BogbcBqfVmx3Wk1YgYb3t%2BGBsMJ2YT6USoiRWSx9GU4P_HQ@mail.gmail.com> In-Reply-To: <50FBFA2C.2010504@digiware.nl> References: <CAEW%2BogYvJih5nEpFWPDjfRWxeURQYp=KM=WckmKB_VB=CxEUbQ@mail.gmail.com> <201301161513.27016.jhb@freebsd.org> <CAEW%2BogbQ3WD3ekVZ0GCgsd3UbL1YHzra-=jKEo6-1t11OMYkFg@mail.gmail.com> <1358392725.32417.179.camel@revolution.hippie.lan> <50FBFA2C.2010504@digiware.nl>
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I started investigating ipmi, so far i can configure IP from fbsd to ipmi. My question is how to access it? Can it be done inband attached to one oc the Ibm nics kn the board? or knlh out oc band? In case of oob any knows if the iLO plug is pure rj45 in ibm servers (specially x3250/3550)? Thanks in advance Sami =D7=91=D7=AA=D7=90=D7=A8=D7=99=D7=9A 20 =D7=91=D7=99=D7=A0=D7=95 2013 16:0= 7, =D7=9E=D7=90=D7=AA "Willem Jan Withagen" <wjw@digiware.nl>: > On 17-1-2013 4:18, Ian Lepore wrote: > > On Wed, 2013-01-16 at 23:27 +0200, Sami Halabi wrote: > >> Thank you for your response, very helpful. > >> one question - how do i configure auto-reboot once kernel panic occurs= ? > >> > >> Sami > >> > > > > From src/sys/conf/NOTES, this may be what you're looking for... > > > > # > > # Don't enter the debugger for a panic. Intended for unattended operati= on > > # where you may want to enter the debugger from the console, but still > want > > # the machine to recover from a panic. > > # > > options KDB_UNATTENDED > > > > But I think it only has meaning if you have option KDB in effect, > > otherwise it should just reboot itself after a 15 second pause. > > Well it is not the magical fix-all solution. > > Last night I had to drive to the colo (lucky for me a 5 min drive.) > because I could not get a system to reboot/recover from a crash. > > Upon arrival the system was crashed and halted on the message: > rebooting in 15 sec. > > Which but those 15 secs are would have gone by for about 10-20 minutes. > fysically rebooting or resetting ended up in the same position: > rebooting in 15 sec. > Without ever getting to actually rebooting. > > So if I (you) have servers 2 hours away, I usually try to work on > upgrading/rebooting during business hours. And remote hands can get me > out of trouble.... > > IPMI is another nice way of getting at the server in these cases. But > that requires a lot more infra and tinkering. > > --WjW > > > >
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