Re: How do I increase NBUF safely?

From: Andrey Bondar (andy_at_tipas.lt)
Date: 06/25/03 

Date: 25 Jun 2003 04:43:23 -0700

mynews44@yahoo.com (google account) wrote in message news:<e84f5d12.0306242103.6fefa11@posting.google.com>...
> Hello...
>
> My OpenServer 5.0.6 system seems to be suferring random go slows, and
> I am getting data out of sar suggests strongly that it is a disk
> system bottleneck and I should increase my NBUF to cope better with
> it... My big issue is that I really have absolutley no idea how to
> increase the NBUF figure, nor do I know how much to increase it by so
> as not to run myself low of memory in the system
>
> Can someone let me know...? Or point me to instructions?
>
> Just incase it make a difference, the system itself is an Intel Mobo
> with dual P3 Xeon processors and 1Gig of physical memory. I beleive
> it has been configured to have 3gig swap. The disk system is a SCSI
> RAID5 + hotspare thing, with 4 10000rpm 36g scsi drives...
>
> Thanks
>
> googleboy.

 Increase NBUF to maximum value:
  idtune -m NBUF 450000
Then relink kernel and reboot.

        Andrey Bondar, SysAdmin,
        T.I.P.A.S. Ltd., Lithuania