Page History

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add "Disk Rate (BPS)" and "Disk Rate (IOPS)" in Offerings ( compute,system,disk)
display "Disk Rate (BPS)" and "Disk Rate (IOPS)" in the detail page of offerings.

Discussions

• Is it necessary to limit the disk I/O of systemvms?
• For Attached additional Volume(AddVolumetoVM), is the limitation set to vm.service_offering (if not 0) or volume.disk_offering?
• the changes of names and labels.

References

• Features/DiskIOLimits : http://wiki.qemu.org/Features/DiskIOLimits
• Testcase Virtualization IO Throttling: https://fedoraproject.org/wiki/QA:Testcase_Virtualization_IO_Throttling
• I/O throttling is experimentally supported from QEMU 1.1 : http://wiki.qemu.org/ChangeLog/1.1#Block_devices
• Libvirt Domain XML format (Disk) : http://libvirt.org/formatdomain.html#elementsDisks

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