On Thu, May 12, 2016 at 2:54 PM, Stephen Mercier <
stephen.merc...@attainia.com> wrote:
> Thank you very much for the thorough explanation. What you described was
> one of the ways I was interpreting this.
>
> Now, out of curiosity, if I did:
>
> rule replicated_rack {
> ruleset 0
> type replicated
> min_size 1
> max_size 10
> step take default
> step choose firstn 2 type rack
> step chooseleaf firstn 2 type host
> step emit
> }
>
> Would that choose the 2 racks, and then 2 osds from each host, making sure
> that in a 3x replication scenario, I would ensure that all 3 reps would be
> on different servers as well? Just want to make sure I'm following the
> logic correctly before I pull any triggers.
>
Yep!
On Thu, May 12, 2016 at 2:57 PM, Stephen Mercier <
stephen.merc...@attainia.com> wrote:
> Also, when you say new enough for the overselection hack, how new are we
> talking?!?!
>
Not very. I'm honestly not sure and you're best off experimenting — all the
current userspace stuff is fine; there might still be a kernel client in
LTS releases which won't be happy with it.
-Greg
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