[Bioclusters] resources on administering clusters

Roger Pettett bioclusters@bioinformatics.org
Tue, 2 Apr 2002 17:14:09 +0100 (BST)


On 26 Mar 2002, Joe Landman wrote:

> On Tue, 2002-03-26 at 10:15, Andrew Shewmaker wrote:
> > Jeff Layton wrote:
> > 
> 
> > Set multiple swap partitions to the same priority
> > 
> > |
> > /dev/sda2	none	swap	sw,pri=3	0	0
> > /dev/sdb2	none	swap	sw,pri=3	0	0
> > /dev/sdc2	none	swap	sw,pri=3	0	0
> > /dev/sdd2	none	swap	sw,pri=1	0	0
> 
> Almost...  Set all the pri=0.  Otherwise swap is not parallelized.  If
> one partition is set to pri=1, and the rest set to pri=3, swap will fill
> the pri=1 up before attempting to use the pri=3 resources.    
> 

This isn't correct - pri can be any value between 0 and 32767 with 32767 
being the highest priority. Swap is parallelised between any partitions 
with the same 'pri' value, ordered from highest to lowest.

R.

-- 
+---------------------------------------------------------------+
 Roger Michael Pettett           Email: rmp@sanger.ac.uk
 Project Leader (Web Systems),   Web: http://www.sanger.ac.uk/
 The Sanger Institute                 http://www.yourgenome.org/
 Wellcome Trust Genome Campus         http://www.ensembl.org/
 Hinxton                       
 Cambridge CB10 1SA
+---------------------------------------------------------------+