High traffic NFS performance and availability problems

Mon Feb 21 12:38:44 PST 2005

David Rice wrote:
> Here are the snapshots of the output you requested. These are from the NFS 
> server. We have just upgraded them to 5.3-RELEASE as so many have recomended.
> Hope that makes them more stable. The performance still needs some attention.
[..snip..]
> Disks amrd0 da0 pass0 pass1 pass2 intrn 100 0: clk
> KB/t 22.41 0.00 0.00 0.00 0.00 114288 buf
> tps 602 0 0 0 0 510 dirtybuf
> MB/s 13.16 0.00 0.00 0.00 0.00 70235 desiredvnodes
> % busy 100 0 0 0 0 

I think you are spindle bound - looks like the disk is maxed (heavy writes?). What kind of disk subsystem do you have?
Eric
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Eric Anderson Sr. Systems Administrator Centaur Technology
I have seen the future and it is just like the present, only longer.
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