Hi David,
CERN has provided with a python script to swap the correct bucket IDs
(default <-> hdd), you can find it here :
https://github.com/cernceph/ceph-scripts/blob/master/tools/device-class-id-swap.py
The principle is the following :
- extract the CRUSH map
- run the script on it => it
Hello Teun,
see below ..
On 02/15/2018 11:52 AM, Teun Docter wrote:
Hi David,
Thanks for explaining that, makes sense. (Though I guess the docs aren't very
clear on that, but ok.) I have a follow up question on your suggestion to
modify the crush map though.
I've seen a few examples on how
Hello Luis,
To find what EC profile would be best in your environment, you would
need to know :
- how mans disks or hosts failure would you accept : I understood from
your email that you want to be able to loose one room, but won't you
need a bit more, such as loosing 1 disk (or 1 host) in