[Lustre-discuss] Problems & partial success on PPC64 (XServe G5) Debian cluster

[Andreas Dilger]

On Nov 13, 2007  15:37 -0600, Robert Olson wrote:
> Hm, ok. (Unfortunately the bigendian server is where I'm going with this, 
> but it will be useful to get things going with the intel hardware first,  
> make sure I know what I'm doing).
>
> I'd love to go to the newer kernel, thought we were stuck at 2.6.18 with 
> the vanilla series patches - is that not the case?

There is a kernel patch series for 2.6.22 in Bugzilla, but it hasn't been
tested yet.

> On Nov 13, 2007, at 3:18 PM, Andreas Dilger wrote:
>
>> On Nov 12, 2007  14:55 -0600, Robert Olson wrote:
>>> Since I've got my shiny new PPC64-based Debian Etch installation
>>> going, I decided to give Lustre another shot on my mac cluster (no
>>> cross-compilers required).
>>
>> As a starting point - we basically never test Lustre with a big-endian
>> server, so while it works in theory I would instead suggest starting
>> with a big-endian client and little-endian servers first, get that 
>> working,
>> and then tackle the big endian server separately (likely using something
>> like 2.6.22 ext4 as the starting point for ldiskfs, since the extent code
>> has proper endian swabbing already).  You could also try without mballoc
>> and extents on the OSTs.
>>
>> Cheers, Andreas
>> --
>> Andreas Dilger
>> Sr. Software Engineer, Lustre Group
>> Sun Microsystems of Canada, Inc.
>>

Cheers, Andreas
--
Andreas Dilger
Sr. Software Engineer, Lustre Group
Sun Microsystems of Canada, Inc.