Hi Joop, If you're on 3.1 or 3.2 I think this is the bug https://bugzilla.redhat.com/show_bug.cgi?id=892596 -John On Fri, Sep 20, 2013 at 10:04 AM, Joop <jvdwege@xs4all.nl> wrote:
Hi All,
Because of an question on IRC I looked at /api/disks/long-disk-id/**statistics but all values (datum) are ZERO. Its a disk of a VM that was running a dd if=/dev/vda of=/dev/null so I would expect something to show up (Did various webpage refreshes of the mentioned stats url). I also have ovirt-guest-agent running on that VM, in case it matters and the disk is on a NFS data domain.
What am I missing?
Regards,
Joop
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John Taylor wrote:
Hi Joop,
If you're on 3.1 or 3.2 I think this is the bug https://bugzilla.redhat.com/show_bug.cgi?id=892596
-John
I'm on 3.2.2 el6. Reading that BZ suggests that it is 3.2 related but also it speaks of dhw. I don't have the reporting part of ovirt-engine installed so don't know it that is causing the zero values. Joop
I should have pointed to the gerrit that's an external tracker on that. It shows the root cause is that the disk_image_dynamic table (part of the engine) isn't getting updated. It's a view of that table that's used for the stats that you see online and is used by the collector for dwh. http://gerrit.ovirt.org/#/c/12961/ It says core: disk_image_dynamic statistics (#892596) vdsm sends disk statistics per disk, while disk_image_dynamic table contains disk_image ids (volumes). Hence the update on disk ids that VdsUpdateRunTimeInfo generates, actually does nothing. A quick fix for this problem is that VdsUpdateRunTimeInfo now updates by the AI id, so statistics are saved. On Fri, Sep 20, 2013 at 3:02 PM, Joop <jvdwege@xs4all.nl> wrote:
John Taylor wrote:
Hi Joop,
If you're on 3.1 or 3.2 I think this is the bug https://bugzilla.redhat.com/**show_bug.cgi?id=892596<https://bugzilla.redhat.com/show_bug.cgi?id=892596>
-John
I'm on 3.2.2 el6. Reading that BZ suggests that it is 3.2 related but also it speaks of dhw. I don't have the reporting part of ovirt-engine installed so don't know it that is causing the zero values.
Joop
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