1 2 Previous Next 21 Replies Latest reply on Sep 19, 2013 1:09 PM by mark.j

    How to get IOPs report from vCOPs??

    tlyczko Master

      I've installed the trial and am still quite new to vCOPs and I do know I must get IOPs reports, per host and per VM to the best of my ability.

      Can vCOPs do this, and how?? Where should I look in the documentation or reports??

      Thank you, Tom

        • 1. Re: How to get IOPs report from vCOPs??
          bouke Hot Shot

          Check out the "Disk I/O Reads and Writes" section in the "Waste, Stress, and Capacity Report" on VM entity level. Or check the "Resources" section in the "Virtual Machine Capacity Overview Report". From there you can see a line called "Host Disk I/O Reads per Second" and "Host Disk I/O Writes per Second".

          • 2. Re: How to get IOPs report from vCOPs??
            Idgar Novice

            Hi,

            I need to get IOPS report for VMs too.

            I have custom dashboard which shows top VMs by IOPS, but because those VMs are from VCD, I don't know in which vApp are they so i want to export CSV and get the other data by PowerCLI.

             

            Anybody else?

            • 3. Re: How to get IOPs report from vCOPs??
              Abhilashhb Virtuoso VMware Employees

              If you need just the report and not only from vCOPS you can download I/O Analyzer from VMware labs and try it.

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              • 4. Re: How to get IOPs report from vCOPs??
                tlyczko Master

                Ah – good idea. Thank you!! ☺ tom

                • 5. Re: How to get IOPs report from vCOPs??
                  Abhilashhb Virtuoso VMware Employees

                  You are welcome :)

                   

                  Please consider closing the thread by choosing a  correct/helpful answer.

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                  • 6. Re: How to get IOPs report from vCOPs??
                    mark.j Master VMware Employees

                    If you're running vCD, you'll want to add/config the vCD adapter. By doing that you'll import the organizational constructs such as vOrg, vApp, etc in to vCOps. Once you have it imported, you can dashboard your heart out with those new containers and relationships. If you have a custom dashboard already, that tells me you've got sufficient licensing to add in the vCD adapter.

                    • 7. Re: How to get IOPs report from vCOPs??
                      tlyczko Master

                      I looked at the I/O numbers in the Capacity Overview Report, found disk usage in Mbps and I/O Read/Write in Tps.

                       

                      What is Tps?? How do I relate the numbers I found in Mbps and Tps to IOPS used??

                       

                      Or must I find and use something else to understand how much our disks are being used??

                       

                      The current SAN is all 15k SAS disks so I know it is presently adequate.

                       

                      Thank you, Tom

                      • 8. Re: How to get IOPs report from vCOPs??
                        mark.j Master VMware Employees

                        Are you running 5.7.1?

                        • 9. Re: How to get IOPs report from vCOPs??
                          TedH256 Hot Shot

                          TPS = Transfers Per Second, which = IOPS

                          • 10. Re: How to get IOPs report from vCOPs??
                            tlyczko Master

                            I never would have known that about Tps. Thank you.

                             

                            In 1.2.2 Resources at the cluster lever I have:

                            Host Disk I/O

                            Reads per

                            Second

                            > 1 year 576 Tps / total IOPS for all the hosts??

                            Host Disk I/O

                            Writes per

                            Second

                            > 1 year 137 Tps / total IOPS for all the hosts??

                             

                            This means all the hosts are using 576 IOPS read and 137 IOPS write?? Or is this a per-host number??

                            Am I interpreting/understanding the report correctly??

                            I have this at the cluster lever -- means all hosts in cluster have done this much IOPS???

                             

                            and then I have this set of averages per VM??? in 1.3.1 Average VM Profile:

                             

                            VM Disk I/O Reads per Second 15 Tps x 30 powered on VM = 450 total

                            VM Disk I/O Writes per Second 3.6 Tps x 30 powered on VM = 108 total

                             

                            I had way different numbers than this with a Dell Dpack that I did last year, I'm going to redo it next week...

                             

                            The current disks are 15k disks but they are not large disks...

                             

                            Thank you, Tom

                            • 11. Re: How to get IOPs report from vCOPs??
                              tlyczko Master

                              mark.j wrote:

                               

                              Are you running 5.7.1?

                              yes, it's an evaluation version -- thank you, tom

                              • 12. Re: How to get IOPs report from vCOPs??
                                tlyczko Master

                                ALSO -- one has no idea how/where vCOPs *gets* these Tps/IOPS numbers, how they are calculated etc., so one has not really a good idea of the measurements. for example, I do not know if NFS storage is included or not...

                                • 13. Re: How to get IOPs report from vCOPs??
                                  mark.j Master VMware Employees

                                  The capacity planning #s are derived from mainly the storage metrics. The storage metrics are derived from the metrics that are applicable to that particular type of storage based on programmatic selection. NFS storage is included in the capacity planning #s, but since it's not a disk don't expect to see that workload in the "device" or "disk" attribute metrics.

                                   

                                  We say IOPs, but it's actually Commands Per Second. Commands Per Second is usually best calculated at the Virtual Disk attribute level, then aggregated as a total for a VM. The Virtual Disks in the environment are also aggregated as a total for Datastores as appropriate.

                                   

                                  The reporting/capacity Storage I/O #s run true in vCOps. The Disk Space #s are only skewed by RDMs.

                                  • 14. Re: How to get IOPs report from vCOPs??
                                    tlyczko Master

                                    I've done enough looking at vCOPS to realize it thinks datastore usage is way low compared to capacity but vCOPS does not tell anything about how this capacity is even calclated, a number like 8713 Tps is mostly meaningless when you do not know how it's calculated etc.

                                    vCOPS also thinks I have plenty storage and does not appear to allow for or know anything about over-provisioned (thin provisioned) storage versus actually used storage...

                                    Thank you, Tom

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