Corrupted ext3 filesystem on top of Adaptec RAID5 array

[Michael R. Head]

On Thu, 2006-07-13 at 09:25 +0200, Paul Puschmann wrote:
> Michael R. Head <burner at suppressingfire.org> schrieb am Wed, Jul 12, 2006 at 07:43:27PM -0800:
> You should then replace you UPS quickly.
> Overload is very bad. What standby time would this UPS get?
> 10 seconds? 

Agreed, though the UPS is new and has a 750W capacity, which should be
more than enough under most reasonable circumstances (?). At this point,
we're not sure if the overload situation occurred before or after the
filesystem malfunction.

> Perhaps the problems is somewhere else:
> 
> We had some problems with our servers some years ago when our
> powerline had to high fluctuations.
> Sometimes there were 230V on the line sometimes there was a
> "down-peak" with 208V. This didn'z do good to our servers, they
> crashed.

I'll look into this...

> After a review with an electrician we good a bigger power cable to our
> rooms, a special power-distribution (with extra fuses) and a separate
> power-circuit for our computers and after this everything was okay.

There are two circuits in the room. I'll have to make sure I'm connected
to the "good one."

> Before this we only had one power-circuit and if someone switched on
> his water-heater (for tea or coffee) the power dropped (to 208V) as we
> meassured.

gotcha, thanks for the help.

Hopefully when I have physical access to the machine, I'll be able to
find out more information.

> Kind regards, Paul
> 
-- 
Michael R. Head <burner at suppressingfire.org>
suppressingfire.org
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