On 27.06.2014 17:06, Pavel Hrdina wrote: > https://bugzilla.redhat.com/show_bug.cgi?id=1086121 > > We now support startupPolicy='optional' for disks, but this > should work only for cold boot, not for restore or migrate. > > Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com&gt; > --- > src/qemu/qemu_domain.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c > index 9e38d02..a8cce76 100644 > --- a/src/qemu/qemu_domain.c > +++ b/src/qemu/qemu_domain.c > @@ -2230,11 +2230,16 @@ > qemuDomainCheckDiskStartupPolicy(virQEMUDriverPtr driver, > { > char uuid[VIR_UUID_STRING_BUFLEN]; > int startupPolicy = vm->def->disks[diskIndex]->startupPolicy; > + int device = vm->def->disks[diskIndex]->device; > > virUUIDFormat(vm->def->uuid, uuid); > > switch ((virDomainStartupPolicy) startupPolicy) { > case VIR_DOMAIN_STARTUP_POLICY_OPTIONAL: I'd put here a comment why you're doing this change. Something like: /* Once started with an optional disk, qemu saves its section in the migration stream, so later, when restoring from it we must make sure the sections match. */ > + if (!cold_boot && > + device != VIR_DOMAIN_DISK_DEVICE_FLOPPY && > + device != VIR_DOMAIN_DISK_DEVICE_CDROM) > + goto error; > break; > > case VIR_DOMAIN_STARTUP_POLICY_MANDATORY: > ACK Michal