[ClusterLabs] Problem with high load (IO)

[Gang He]

On 2021/9/29 16:20, Lentes, Bernd wrote:
> 
> 
> ----- On Sep 29, 2021, at 4:37 AM, Gang He ghe at suse.com wrote:
> 
>> Hi Lentes,
>>
>> Thank for your feedback.
>> I have some questions as below,
>> 1) how to clone these VM images from each ocfs2 nodes via reflink?
>> do you encounter any problems during this step?
>> I want to say, this is a shared file system, you do not clone all VM
>> images from each node, duplicated.
>> 2) after the cloned VM images are created, how do you copy these VM
>> images? copy to another backup file system, right?
>> The problem usually happened during this step?
>>
>> Thanks
>> Gang
> 
> 1) No problems during this step, the procedure just needs a few seconds.
> reflink is a binary. See reflink --help
> Yes, it is a cluster filesystem. I do the procedure just on one node,
> so i don't have duplicates.
> 
> 2) just with "cp source destination" to a NAS.
> Yes, the problems appear during this step.
Ok, when you cp the cloned file to the NAS directory,
the NAS directory should be another file system, right?
During the copying process, the original VM running will be affected, 
right?

Thanks
Gang

> 
> Bernd
>