On 03/05/2014 10:12 AM, Wei ZHOU wrote:
I was thinking about it last week.
AFAIK, libvirt-java 0.5.1 does not support change setting on running vms,
but virsh command line and libvirt API supports it.
so the sulution are
(1) change libvirt-java to support it, and make it released in the next
version. Maybe Wido can help us.

Sure! That seems the best way forward. What is currently lacking in the libvirt-java bindings?

(2) call virsh command line.


Please, please, do not do that. That's very hacky. We should really keep using the libvirt-java bindings and stay away from invoking binaries.

Wido

-Wei

2014-03-05 9:01 GMT+01:00 Punith S <punit...@cloudbyte.com>:

hi guys,

we are having a fixed max iops for each volume being attached to the
instance in managed storage,
so this a problem where we are making users to pre allocate the iops of the
disk without having an option to change or resize it, similar to the size
metric.

so i would like to introduce a new feature which enables to change or
resize the volume iops on fly without detaching the datadisk of the VM with
zero downtime where performance of the datadisk can be altered at any point
with the available iops of the primary storage pool, which is similar in
resizing the volume or datadisk of the vm , where in latter we have to
detach the datadisk.

what do you guys think about this feature ? any feedback ?

thanks,

--
regards,

punith s
cloudbyte.com


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