[Gluster-users] Volume Tiering

Lindsay Mathieson lindsay.mathieson at gmail.com
Mon May 2 11:36:24 UTC 2016

On 2/05/2016 2:29 PM, Mohammed Rafi K C wrote:
> Hi Lindsay,
> Volume level data tiering was made fully supported in latest 3.7 
> releases, though an active effort is still going on to increase the 
> small file performance. You can find a starting point through the blog 
> post by Dan [1].
> Let me know if you have any additional questions.
> [1]  : http://blog.gluster.org/2016/03/automated-tiering-in-gluster/

Thanks Mohammed, an informative read. When things have settled down a 
bit at work I'l setup a test volume to attach tiers to. Ironically, now 
we've migrated the production env to gluster, my ability to test is 
lessened  - can't tweak it arbitrarily now :)

Some questions:

- Does the hot tier replication level have to match the cold tier? i.e 
brick for brick?

- I presume the files are promoted across all bricks. i.e you can't have 
different files promoted per brick.

- With sharded volumes its the individual shards that are promoted?


Lindsay Mathieson

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