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Old 09-03-2009, 09:58 AM   #1
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Kdump space requirements

I have a 2 CPU server, with 40G of ram. I have set up kdump to dump a vmcore to another system in the /cores filesystem.

My question is..

What is the minimum amount of space /cores must be to hold a vmcore dump from my 2 CPU system?

Is it 40GB, the amount of total ram of the system?

Or 80GB, 40Gx2, the total ram times each CPU?
Old 09-04-2009, 08:45 PM   #2
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Diskdump tells you in /var/log/message (or used to) - slightly more than your installed RAM. Allow for more than one ...
Have a look at this for options on saving some space with kdump. Also tells you how to force a panic - should give you something to work with.


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