Re: Detecting I/O error and Halting System

[Alan Cox]

On Maw, 2006-03-28 at 17:07 +0200, zine el abidine Hamid wrote:
> I don't think that it's a HDD problem nor a cable
> problem because the servers are new. We have tried

New. Thats another word for "untested" I believe 8)

> How can I determine the problem?

I would consult the hardware vendor

> I want to add that the HDD seems to be disconnected
> (the BIOS can't find any drive for boot) after a
> simple reset. We must switch off the servers to get
> them work again.

Thats strongly indicating a hardware problem.

> (http://www.tldp.org/LDP/lkmpg/) but how can I
> shutdown Linux from inside a module...? 

See the softdog driver for an example.

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