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LogicalDisk Transfer Latency values

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  • fjca
    Junior Member
    • May 2016
    • 1

    #1

    LogicalDisk Transfer Latency values

    Hello all,

    This is my first post here, so please be patient....

    I've been handed a working, but underused/orphaned Zabbix install, I've doing some fine tuning on trigger values for some (overloaded) machines, and I have a few questions about the LogicalDisk Transfer Latency trigger (both the read and write one), from the Windows 2008 R2 Template.

    The values I have (default) are the following :

    {Template Windows 2008 R2 Servererf_counter["\LogicalDisk(_Total)\Disk Transfers/sec",300].avg(600,0)}<80 and {Template Windows 2008 R2 Servererf_counter["\LogicalDisk(_Total)\Avg. Disk sec/Write",300].avg(600,0)}>0.025

    My questions are:

    a) Why does the email with a warning on this only shows the first expression ? Should it not report BOTH expressions the DiskTransfer/sec and the Avg. Disk sec/Write ? Is there a way I can add it, or is this by design ?

    b) I've been receiving emails with Disk Transfer/sec values ABOVE 80. I've tried the Expression Constructor, and it seems to be working fine. The only explanation I could find is that although the trigger is done on the average values, when the email is sent it show the last (or first, or MAX) value.
    Something like the average is 75, so a trigger is emailed, but the last value is 120, and that's the value that appears on the email. Is this correct ? Or is there some other explanation ?

    c) Finally, what should be a good value for this in a overloaded machine ? Something like <60 transfers por second, and more them 0.05 for each write ?
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