On Fri, Apr 7, 2017 at 1:22 PM, 858585 jemmy wrote:
> the test result for this patch:
>
> the migration command :
> virsh migrate --live 165cf436-312f-47e7-90f2-f8aa63f34893
> --copy-storage-all qemu+ssh://10.59.163.38/system
>
> the qemu-img info on source host:
> qemu-img info
> /instanceimage/
the test result for this patch:
the migration command :
virsh migrate --live 165cf436-312f-47e7-90f2-f8aa63f34893
--copy-storage-all qemu+ssh://10.59.163.38/system
the qemu-img info on source host:
qemu-img info
/instanceimage/165cf436-312f-47e7-90f2-f8aa63f34893/165cf436-312f-47e7-90f2-f8aa63f3
From: Lidong Chen
BLOCK_SIZE is (1 << 20), qcow2 cluster size is 65536 by default,
this maybe cause the qcow2 file size is bigger after migration.
This patch check each cluster, use blk_pwrite_zeroes for each
zero cluster.
Lidong Chen (2):
block: make bdrv_get_cluster_size public
migration/b
