On 16/1/22 上午12:39, Eric Blake wrote:
> On 01/21/2016 04:22 AM, Rudy Zhang wrote:
>> Add hmp command for incremental backup in drive-backup.
>> It need a bitmap to backup data from drive-image to incremental image,
>> so before it need add bitmap for this device to track io.
>> Usage:
>>
I test the function of driver-mirror when run io stress test in vm.
The fio's model is 128 iodepth, 4K block-size, 100% write, 100% randon.
This is a continuous test, and then I start drive-mirror to copy data
to other image file. I find this job can't finish.
I analysis the problem and find the