On Wed, 27 Jan 2010 07:42:42 +0100, Otto Moerbeek <o...@drijf.net> wrote:
> On Wed, Jan 27, 2010 at 12:38:47AM +0000, Rob Sheldon wrote:
> 
>> Hi,
> 
> Therse days, amd64 is the only platform that increases the limit
> (MAXDSIZE) to 8G. Though you venture into untested territory, we
> (myself at least) just do not have the hardware to test anything
> beyond 2T. 

OK. I just went back and looked at the order sheet for this thing, and it
looks like it shipped with enough RAM to require amd64, so it should be
(had better be!) running that kernel.

I'd like to help, if at all possible. I should be able to get on-site with
the client for at least a couple of hours today, and I can probably draw
this out for a few days before I have to get the server back on-line. I can
provide a dmesg and any other system specs without too much trouble -- is
there any way to help track down the exact source of the segfault?

> The SEGVs may be related to not having swap. Running OpenBSD in
> overcommitted state is not what you want. 

What do you mean by "overcommitted state" -- not enough resources? The
only thing this machine is supposed to do is run backuppc, which is just
rsync with some Perl scripts. The old backup server was doing the same job
with less resources for quite a while. The old server did have a swap
partition, but as near as I could tell it was rarely used. ...In fact, I
just logged in to the old server; it has an 8G swap partition, and top says
it's not using any of it.

So here's something I don't understand then: in the generic kernel, will
fsck allocate more than 1G if swap is available, or is it still limited to
just 1G?

>> There's no dmesg attached because I'm not on-site with the server at
the
>> moment, and because AFAICT this is a known problem.
> 
> A pity, since it does matter what platform you run on. fsck needing a
> lot of memory is indeed a known problem, but the SEGVs are not. You
> might want to check if they still occur when you have enough swap.

OK. I'll get that info to you, and anything else you need (that I can
handle), and I'll futz around with it and see if I can cable in a spare
drive for swap.

- R.

-- 
[__ Robert Sheldon
[__ Founder, No Problem
[__ Information technology support and services
[__ Software and web design and development
[__ (530) 575-0278
[__ "You must be the change you wish to see in the world." -- Mahatma
Gandhi

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