Date: Mon, 15 Jan 2018 14:14:39 +0100 From: clay@milos.co.za To: Eugene Grosbein <eugen@grosbein.net> Cc: =?UTF-8?Q?Marko_Cupa=C4=87?= <marko.cupac@mimar.rs>, freebsd-stable@freebsd.org, owner-freebsd-stable@freebsd.org Subject: Re: troubleshooting before hard reset Message-ID: <5ea0cb77a7805906b7da0ba150d65a9a@milos.co.za> In-Reply-To: <5A5C770F.4080806@grosbein.net> References: <20180115103128.014f27f8@efreet-freebsd.kappastar.com> <5A5C770F.4080806@grosbein.net>
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On 2018-01-15 10:40, Eugene Grosbein wrote: > 15.01.2018 16:31, Marko Cupać wrote: >> Hi, >> >> one of my ageing servers, HP DL380g5, which is serving a bunch of >> non-critical production jails on FreeBSD 11.1, bacame inaccessible >> over >> weekend. I have physical access, its disks and NICs are showing >> activity, but it doesn't send anything to monitor over VGA, also I >> guess it doesn't recognise keyboard (num lock led does nothing). >> >> Before I hard reset it, is there anything I can do to troubleshoot the >> problem? I tried serial port as well but it gives nothing on either >> 9600 or 115200 baud. I guess OS needs to be configured beforehand for >> serial access. > > Yes. > > If keyboard seems to be dead and there is no video output, I'm afraid > you can't get anything useful from the box other than sniffing traffic > from its MAC address, if any. And check MAC address table of network > switch > for server's MAC address if you have managed switch. Else, just reset > it. > Have you tried remote console access via the iLO? Sometimes that still works when the physical VGA doesn't. \\Clay
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