[Beowulf] Building new cluster - estimate

Scott Atchley atchley at myri.com
Sun Aug 10 08:09:01 EDT 2008


On Aug 5, 2008, at 10:43 PM, Joe Landman wrote:

> As a note:  I was pointed to a recent lockup (double lock  
> acquisition) in XFS with NFS.  I don't think I have seen this one in  
> the wild myself.  Right now I am fighting an NFS over RDMA crash in  
> 2.6.26 which seems to have been cured in 2.6.26.1 .  .2 is almost  
> out, so will test with that as well.
>
> This said, our experience with xfs has been quite good (performance,  
> reliability, etc).  Some vendors kernels (2.6.18 ahem!) have some  
> issues with xfs (and a bunch of other things), so we usually update  
> them anyway.
>
> Joe

Joe,

They have posted a patch to correct this problem on the linux-nfs list  
if anyone is encountering it.

Scott
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