RE: "D" CP types on FAS3020

From: Glenn Walker (ggwalker@mindspring.com)
Date: Sun Mar 12 2006 - 01:28:10 EST

  • Next message: Alan Sparks: "Re: "D" CP types on FAS3020"

    If I recall, it is more common to see them on filers with smaller memory
    sizes (ie, 3020\270) than ones with larger memory sizes (960\980).

    The 'D' CPs are new in 7.X (I don't remember exactly when it was
    introduced).

    Are you seeing any issues, by chance, or just hunting for problems to
    proactively fix?

    Glenn

    -----Original Message-----
    From: owner-toasters@mathworks.com [mailto:owner-toasters@mathworks.com]
    On Behalf Of Alan Sparks
    Sent: Saturday, March 11, 2006 11:35 PM
    To: Toasters List
    Subject: "D" CP types on FAS3020

    Not been getting a clear answer from Support on this, maybe someone here

    has some good advice or insight...

    Our FAS3020C filers often display CP types of "D" in a sysstat listing.

    I get that this is a CP due to "log datavecs." Trying to understand if
    this is a resource problem, or at least indicative of a performance
    issue:
     CPU Total Net kB/s Disk kB/s Tape kB/s Cache Cache CP CP
    Disk
           ops/s in out read write read write age hit time ty
    util
     17% 1166 12787 488 793 15683 0 0 >60 100% 55% D
    12%
     17% 937 13021 454 720 14376 0 0 >60 100% 49% D
    10%
     18% 1321 13167 538 697 14219 0 0 >60 100% 49% D
    10%

    One thing I got from Support is that it might be indicative of bug
    145410 (must actively reclaim resources). At their suggestion, I've
    updated to DOT 7.0.3 (update from 7.0.2), but still see them a lot of
    the time.

    Is this pretty normal for the FAS3000 series? Thanks in advance.

    -- 
    Alan Sparks, UNIX/Linux Systems Integration and Administration
    <asparks@doublesparks.net>
    



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