Re: High traffic NFS performance and availability problems

From: Eric Anderson (anderson_at_centtech.com)
Date: 02/21/05

  • Next message: Robert Watson: "Re: High traffic NFS performance and availability problems" 
    Date: Mon, 21 Feb 2005 14:38:41 -0600
To: David Rice <drice@globat.com>

    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.
------------------------------------------------------------------------
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  • Next message: Robert Watson: "Re: High traffic NFS performance and availability problems"

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