[one-users] (block) iotune support in templates

[Vladislav Gorbunov]

I make the path for iotune support:
http://dev.opennebula.org/issues/2530

You can download x64 rpm with iotune support (need only /usr/bin/oned)
for CentOS 6.4 from
https://dl.dropboxusercontent.com/u/2296931/rpm/iotune/opennebula-server-4.4.0-1.x86_64.rpm

2013/11/18 Stefan Kooman <stefan at bit.nl>:
> Dear list,
>
> Recently I've been playing with OpenNebula on Ubuntu Saucy (13.10). It
> comes with libvirt-bin version 1.1.1 and qemu 1.5. One of the cool
> things libvirtd / qemu are able to do now is "block io throttling", or
> iotune as libvirt calls it. You can now define min, max, total
> KBytes/Sec for read, write and total, as wel as for IOPS/Sec. I would
> like to have support for this in OpenNebula vm templates just like there
> is for CPU (cputune). It would be nice to able to set a total maximum
> IOPS / bandwitch for a specific user/group, just like cpu, mem, images,
> #vm's, etc. (and have strict enforcement).
>
> Use cases:
>
> - prevent denial of service of virtual machines consuming too much IOPS
>   / bandwith (io starvation, storage link saturation)
> - be able to guarantee (minimal) disk IO performance. In combination with "per
>   user system datastores (ONE 4.4)" you can choose the right disk type
>   to satisfy latency needs.
>
> What do you think?
>
> Gr. Stefan
>
> P.s. with something like vdc-nebula in place [1], the need to restrict IO
> will be much less then in traditional io settings (very cool project
> indeed).
>
> [1]: http://blog.opennebula.org/?p=5408
>
>
> --
> | BIT BV  http://www.bit.nl/        Kamer van Koophandel 09090351
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