Sorry for that. I planed to use the existing method in qemu to add some new
mechanism after migration.
Does qemu have a IPC channel to communicate during migration?
On Mon, Jun 30, 2014 at 11:13 AM, Paolo Bonzini wrote:
> Il 30/06/2014 16:47, Xiongzi Ge ha scritto:
>
> Hi,
>&
which
has a cache created by myself. I can modify and control the cache after
migration. Do you have any suggestions? Thanks. )
On Mon, Jun 30, 2014 at 10:35 AM, Paolo Bonzini wrote:
> Il 30/06/2014 16:03, Xiongzi Ge ha scritto:
>
> I tried. It invalidated the cache of the block dev
:54, Xiongzi Ge ha scritto:
>
> Hi Paolo,
>>
>> Thanks. I found a function called bdrv_invalidate_cache() in qcow2.c.
>> After migration, it will be called to invalidate the cache of the block
>> device?
>>
>
> Let me quote again:
>
> Th
Hi Paolo,
Thanks. I found a function called bdrv_invalidate_cache() in qcow2.c. After
migration, it will be called to invalidate the cache of the block device?
On Fri, Jun 27, 2014 at 5:49 PM, Paolo Bonzini wrote:
> Il 27/06/2014 21:41, Xiongzi Ge ha scritto:
>
>
>> When I stud
Hello,
When I studied the code, I found in migration.c,
bdrv_clear_incoming_migration_all();
the cache of the bdrv devices will be deleted.
Is this the one for the functions to be called after migration?
Does the bdrv device need to be reopen or load state in block.c?
I would like to find this
access
the previous cache device in Host A, if it gets a miss. Here, I may need to
modify some interfaces. Is there a simple way to do this?
Thanks a lot
On Wed, Jun 25, 2014 at 10:18 AM, Paolo Bonzini wrote:
> Il 25/06/2014 16:14, Xiongzi Ge ha scritto:
>
> Is there a good way to h
Is there a good way to handle the memory in the guest via qemu?
On Wed, Jun 25, 2014 at 2:18 AM, Paolo Bonzini wrote:
> Il 25/06/2014 02:08, Xiongzi Ge ha scritto:
>
> Will the cache data in the guest be migrated to the other host?
>>
>
> Again, cache data is _not_ ma
st re-open the block device and delete the previous cache
data or just check the consistency of the cache and the block device?
Thanks.
On Tue, Jun 24, 2014 at 7:16 PM, Eric Blake wrote:
> On 06/24/2014 03:29 PM, Brian Jackson wrote:
> >
> >
> > On 6/2
,
this cache should recognize that the cache content storing in the disk has
been changed. DOes anyone has good suggestions? Thanks !
On Tue, Jun 24, 2014 at 4:41 PM, Eric Blake wrote:
> On 06/24/2014 01:55 PM, Xiongzi Ge wrote:
> > Hi Paolo,
> >
> > I am trying to
Il 24/06/2014 21:55, Xiongzi Ge ha scritto:
>
> Hi Paolo,
>>
>> I am trying to do migration with two different block devices in the
>> source and destination hosts. For example, in the source the data in
>> /dev/vda are 'a'. The guest has a cache. T
Hi Paolo,
I am trying to do migration with two different block devices in the source
and destination hosts. For example, in the source the data in /dev/vda
are 'a'. The guest has a cache. These data are cached. In the other
host, the data in this device are 'b'. If we do migration, I
Hi,
When I do live migration, in the source and destination host, there are
different block devices, but qemu can not detect this. I used virtio as the
driver in kvm and in the vdi device in the guest is /dev/vda. So, the vm
guest can read different data from the same /dev/vda device. I am stu
Hi,
When I do live migration, in the source and destination host, there are
different block devices, but qemu can not detect this. I used virtio as the
driver in kvm and in the vdi device in the guest is /dev/vda. So, the vm
guest can read different data from the same /dev/vda device. I am stu
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