[Gluster-users] SSD tier experimenting

Mohammed Rafi K C rkavunga at redhat.com
Thu May 5 11:59:37 UTC 2016

On 05/05/2016 05:11 PM, Sergei Hanus wrote:
> Dan, looks like you are right - after some time I see performance
> around equal for both aforementioned volume.
You mean Rafi ;)

> Do you have any idea, how long should it take to normalize? Or, maybe,
> some commands or hints to monitor the process?

It depends on the size and your volume tree (structure of files and
directories). In the latest 3.7 release, we will set an xattr on root of
the bricks.

> And, another question - when I modify some volume option (like, enable
> io-cache) - again, should I wait for some time or it take effect
> immediately? 
> Do I need to restart volume, or these settings are applied on-the-fly?

Yes it will be applied in the fly. You don't need to do anything to
apply a normal volume set option.

>  Thank you.
> Sergei.

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