[ceph-users] read performance, separate client CRUSH maps or limit osd read access from each client

Vlad Kopylov vladkopy at gmail.com
Thu Nov 15 20:57:22 PST 2018


Exactly. But write operations should go to all nodes.

v

On Wed, Nov 14, 2018 at 9:52 PM Konstantin Shalygin <k0ste at k0ste.ru> wrote:

> On 11/15/18 9:31 AM, Vlad Kopylov wrote:
> > Thanks Konstantin, I already tried accessing it in different ways and
> > best I got is bulk renamed files and other non presentable data.
> >
> > Maybe to solve this I can create overlapping osd pools?
> > Like one pool includes all 3 osd for replication, and 3 more include
> > one osd at each site with same blocks?
> >
>
> As far as I understand, you need something like this:
>
>
> vm1 io -> building1 osds only
>
> vm2 io -> building2 osds only
>
> vm3 io -> buildgin3 osds only
>
>
> Right?
>
>
>
> k
>
>
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