linux-kernel - Re: megaraid_sas suspend ok, resume oops

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Date:	Wed, 30 Aug 2006 12:30:14 +1000
From:	Nigel Cunningham <ncunningham@...uxmail.org>
To:	Jeff Chua <jeff.chua.linux@...il.com>
Cc:	Jens Axboe <axboe@...nel.dk>, Sreenivas.Bagalkote@...l.com,
	Sumant.Patro@...l.com, jeff@...zik.org,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: megaraid_sas suspend ok, resume oops

Hi.

On Wed, 2006-08-30 at 09:45 +0800, Jeff Chua wrote:
> On 8/30/06, Nigel Cunningham <ncunningham@...uxmail.org> wrote:
> >
> > Neither swsusp (as far as I know) or suspend2 support CONFIG_HIGHMEM64G
> > at the moment, I'm afraid.
> >
> > It's not impossible, we just haven't seen it as a priority worth putting
> > time into. Do you really have more than 4GB of RAM and want to suspend
> > to disk?
> 
> It'll be really "nice" to have. Currently all the production systems
> simply shutdown all databases and applications and put systems to a
> halt. But, I'm thinking of implementing suspend_to_disk instead of
> shutdown the database and applications, so when power resumes, the
> system can carry on where it was left off. Nice, very nice feature to
> have.
> It's "nice" because nobody has tried, and if this works, I don't see
> why not use it for all machines in a data center.
> 
> The DELL 2950 has 16GB of RAM, and will be running oracle database.

Ok. I'll give it a go then, but I'll tell you now that it will probably
take a while as I have a lot on my plate. Feel free to poke me :)

Nigel

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