Could you run a Xen like system in a ram disk (or on flash) ? I suppose,
what do you do when the RAM or Flash fails.
There is also a sysrq /proc file you can write into. About 99.9% of the
time you can write something into it to make the system reboot. So, a small
C program that is left running
I assume you don't have swap enabled on a server. That would
cause...interesting things to happen if a disk died.
On Tue, Apr 6, 2010 at 6:56 PM, Bernhard D Rohrer <graylion at sm-wg.net>wrote:
> Hi guys
>> I have a box that is running karmic server ed and that has hot swap drives
> with 1 as normal drive and one as failover. The thoery is that the drives
> get rsynced occasionally and if the first one fails the box crashes and
> comes up to the second one.
>> In praxis what happened is that since the drives are in a hotswap sata cage
> we nicked the system drive and it doesn't crash. But no shutdown command
> works anymore, they either throw an i/o error or do nothing at all. So far
> init 6
> init 0
> runlevel 0
> runlevel 6
>> any ideas?
>>> we have been discussing building a ram disk and putting what is needed in
> there. but what?
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