Re: [Engine-devel] Question about Disk Hotplug

On 09/11/2013 11:27 AM, Roy Golan wrote: > On Tue 10 Sep 2013 09:20:32 PM IDT, Gustavo Frederico Temple Pedrosa > wrote: >> Hi everyone, >> >> We proposed some changes in how to query if an operating system >> supports hotplug, then Itamar suggested that disk hotplugging and NIC >> hotplugging could be separated from each other. While it is pretty >> clear how to put info about NIC hotplugging in the osinfo, here are a >> few issues when trying to introduce the same concept for disk >> hotplugging. >> >> Some disk interfaces do not support hotplugging at all (like IDE), >> some of them support it in the x86_64, but not in the ppc64 >> architecture (like the VirtIO blk) and others support it in both >> architectures (like VirtIO SCSI). There is also a ppc64 specific >> controller called SPAPR VSCSI, which supports it too. >> >> So, how do you propose a syntax to cover all these cases? >> >> I thought about something along the lines of: >> >> os.{id}.devices.disk.hotpluggableInterfaces = VirtIO_SCSI, VirtIO >> >> Thanks, >> >> Leonardo Bianconi/Vitor de Lima/Gustavo Pedrosa >> > > "storage" is a better term than "disk" so: why? this is about a vdisk, isn't it?

> > os.{id}.devices.storage... > > > maybe in the future we may expand the metadata model to hold devices and > hook it to an OS > > device.{id}.... > os.{id}.devices={deviceId} > > just a thought, its unnecessary for now. > > > > > _______________________________________________ > Engine-devel mailing list > Engine-devel(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/engine-devel