High traffic NFS performance and availability problems

[Eric Anderson]

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



-- 
------------------------------------------------------------------------
Eric Anderson        Sr. Systems Administrator        Centaur Technology
I have seen the future and it is just like the present, only longer.
------------------------------------------------------------------------