Re: Even number of replicas?

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Hey Dale,

are you distributing your clusters over 4 DCs via dark fiber or can you
elaborate on your setup?

We are currently running 3/2, but each cluster is isolated in its own
DC.

Best,

Nico

"Wolfpaw - Dale Corse" <dale@xxxxxxxxxxx> writes:

> Hi George,
>
>   We use 4/2 for our deployment and it works fine - but it's a huge waste of
> space :)
>
> Our reason is because we want to be able to lose a data center and still
> have ceph running. You could accomplish that with size=1 on an emergency
> basis, but we didn't like the redundancy loss.
>
> Cheers,
> D.
>
> -----Original Message-----
> From: Kyriazis, George [mailto:george.kyriazis@xxxxxxxxx]
> Sent: Friday, March 25, 2022 9:54 AM
> To: ceph-users <ceph-users@xxxxxxx>
> Subject:  Even number of replicas?
>
> Hello ceph-users,
>
> I was wondering if it is good practice to have an even number of replicas in
> a replicated pool.  For example, have size=4 and min_size=2.
>
> Thank you!
>
> George
>
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