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Crash dumps with kexec

Crash dumps with kexec

Posted Oct 28, 2004 9:51 UTC (Thu) by mcatkins (guest, #4270)
Parent article: Crash dumps with kexec

I'd never thought much about this issue before reading this article, but
a thought occured when I did: rather than trying to save a crash dump
to a disk file, why not send it over a network to a crash dump server
on another (i.e., not currently not crashing!) machine?

Thus the local disks need not be touched - one would need to have a
working network stack though (doesn't the console logging over-the-network
stuff have some useful stuff for this purpose?).

The result might be small/safe enough to be in the main kernel, and hence
not require all that crash-kernel memory!

Just a thought!

Martin


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FC2 already has netdump (and netconsole) functionality

Posted Oct 28, 2004 18:46 UTC (Thu) by epithumia (subscriber, #23370) [Link]

Fedora Core 2 includes network crash dumping and a network console. See /etc/sysconfig/netdump and "service netdump".

FC2 already has netdump (and netconsole) functionality

Posted Oct 29, 2004 11:41 UTC (Fri) by mcatkins (guest, #4270) [Link]

Ah. That's the touble with good ideas - someone else has
usually had them first!

Thanks for letting me know!

Martin


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