[ClusterLabs] Problem with high load (IO)

Strahil Nikolov hunter86_bg at yahoo.com
Thu Sep 30 11:15:29 EDT 2021

Dif you try the 'ionice -c 2 -n 7 nice cp <params> <source> <destination>' ?
Best Regards,Strahil Nikolov
  On Thu, Sep 30, 2021 at 14:58, Lentes, Bernd<bernd.lentes at helmholtz-muenchen.de> wrote:   

----- On Sep 30, 2021, at 3:55 AM, Gang He ghe at suse.com wrote:

>> 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?

Yes, it's another fs. Yes, the running machine is affected.
It's getting slower and sometimes does not react, following our monitor software.

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