3Ware 8506 Series, 3DM, Upgrading to 9000 Series

[Jason Thomson]

This sounds like a similar problem we have experienced with FreeBSD 4.x 
and 7506 cards,  but only with Maxtor disks (so far):

The card stops responding - the console prints swap_pager error messages 
   - and the whole system locks up (of course).

We fixed the symptoms by using Maxtor's PowerMax (DOS) tools to scan the 
disks.  One of the disks had a bad sector.  We used the PowerMax tools 
to repair the disk (I guess it just wrote to the bad sector to remap 
it),  and then rebuilt the array.

Haven't had a problem with that machine since.

However,  we do have the same symptoms occurring on two other machines, 
  but like you,  it's intermittent,  and these are production machines 
that can't be down for too long.

I will ensure that I have DDB compiled in and crashdumps enabled should 
this occur again.  I would love to help track this down - if this is the 
same problem.



Alasdair Lumsden wrote:

> On Fri, 2004-07-02 at 00:38, Paul Saab wrote:
> 
>>This will tell you how to get into DDB and when you get the ddb prompt,
>>type trace and tell us where it is hung at.
> 
> 
> Ahh, excellent. Thanks, I'll give this a go.
> 
> Unfortunately the hang doesn't occur very often, so it might be a few
> weeks before it happens again. 
> 
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