I am trying to monitor my server over SNMP and UCD-DISKIO-MIB::diskIONRead.1 gives me 1344574464 while iostat reports 9701669 kB_read. Why the discrepancy? I don't have to mention that I am monitoring the correct disk, so that's not the cause.
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I'm going to take a guess at this, but if the logic of this FAQ entry follows,
The system uptime (sysUpTime) returned is wrong!
Oh no it's not. The defined meaning of 'sysUpTime' is "the time ... since the network management portion of the system was re-initialized."
In other words, when the snmp agent was started, not when the
system itself last booted.
You're probably only getting the amount of bytes written since the monitoring agent started..
NickW
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