On Tue, Jan 29, 2019 at 05:33:30PM +0800, WangJie (Pluto) wrote:
Hi,
Migrate feature have a restrict: target domain iothreads count
must match source
The relevant code as follows:
------------------------------------
if (src->niothreadids != dst->niothreadids) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Target domain iothreads count %zu does
not " "match source %zu"), dst->niothreadids, src->niothreadids);
goto error; }
------------------------------------
I tried to remove the restrict, and perform migrate in that case:
"target domain iothreads count does not match source" , Anything
is normal!
So, can we remove the restrict to support this case?
The number of i/o threads is not part of the vm state sent during
migration, nor exposed to the guest ABI, so this restriction is a
mistaken in libvirt. We should remove that bit of code.
Regards,
Daniel
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