On 2020/10/30 21:21, Stefan Hajnoczi wrote:
> On Thu, Oct 29, 2020 at 05:42:42PM +0800, cenjiahui wrote:
>>
>> On 2020/10/27 0:53, Stefan Hajnoczi wrote:
>>> On Thu, Oct 22, 2020 at 09:02:54PM +0800, Jiahui Cen wrote:
A VM in the cloud environment may use a virutal disk as the backend
On Thu, Oct 29, 2020 at 05:42:42PM +0800, cenjiahui wrote:
>
> On 2020/10/27 0:53, Stefan Hajnoczi wrote:
> > On Thu, Oct 22, 2020 at 09:02:54PM +0800, Jiahui Cen wrote:
> >> A VM in the cloud environment may use a virutal disk as the backend
> >> storage,
> >> and there are usually filesystems o
On 2020/10/27 0:53, Stefan Hajnoczi wrote:
> On Thu, Oct 22, 2020 at 09:02:54PM +0800, Jiahui Cen wrote:
>> A VM in the cloud environment may use a virutal disk as the backend storage,
>> and there are usually filesystems on the virtual block device. When backend
>> storage is temporarily down, a
On Thu, Oct 22, 2020 at 09:02:54PM +0800, Jiahui Cen wrote:
> A VM in the cloud environment may use a virutal disk as the backend storage,
> and there are usually filesystems on the virtual block device. When backend
> storage is temporarily down, any I/O issued to the virtual block device will
> c
A VM in the cloud environment may use a virutal disk as the backend storage,
and there are usually filesystems on the virtual block device. When backend
storage is temporarily down, any I/O issued to the virtual block device will
cause an error. For example, an error occurred in ext4 filesystem wou