[pve-devel] qemu-server: drive-mirror improvements

Andrew Thrift andrew at networklabs.co.nz
Tue May 12 01:46:42 CEST 2015


Thanks Alexandre,

This sounds like it could fix the corruption issues we have been
experiencing when doing drive-mirror's on RBD.


On Tue, May 12, 2015 at 1:55 AM, Alexandre Derumier <aderumier at odiso.com>
wrote:

> this is candidate for proxmox 3.4 fixes && proxmox 4.0
>
>
> First patch use new "ready" flag introduce in qemu 2.2, to finish block
> migration.
> It's the right way to known if we can complete the job. (same flag than
> qmp ready event)
> (I have also remove the vm pause when target is too slow, it don't work
> fine in my tests,
> and we can't rely on offset==len to known if the transfert is correctly
> finished.
>
>
>
> Second patch increse a lot a drive-mirror qmp, because the job is scanning
> the whole
> source image before return.
> This can be very long with big image on nfs for example.
>
>
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