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I have a physical server with 2 disks, sda and sdb. I want to monitor their I/O and performance. The monitoring element has 3 types: ops, sps, and bps. What are these and which one is better to monitor and give me useful information?

closed as primarily opinion-based by Jeff Schaller, Isaac, Romeo Ninov, Anthony Geoghegan, G-Man Oct 14 '18 at 20:28

Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise. If this question can be reworded to fit the rules in the help center, please edit the question.

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    What would be useful to you? – Jeff Schaller Oct 14 '18 at 13:12
  • somtimes services become slow or response time increase.. i just want to know if these problems happens because of high disk or not...the value these types return are human-readable or its somthing like 85789257394756748 0-0 – BlackCrystal Oct 16 '18 at 3:52
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  • ops = operations per second
  • sps = sectors per second
  • bps = bytes per second

More information at https://www.zabbix.com/documentation/2.0/manual/config/items/itemtypes/zabbix_agent

They each give good information. Which one is appropriate in your environment will depend on your requirements.

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You can use several different ways to do this:

  1. As already mentioned install kind of monitoring system to get the information via kind of agent.
  2. To use directly iostat program, store output in log and run this on some schedule
  3. Use sarto keep performance information in logs (on local machine)
  4. Pull this information via snmp from snmp agent installed on the machine

Which way you will choose depend of too many factors

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