Hello! Fri, May 29, 2020 at 09:58:58AM +0200, pr wrote:
> Hans van den Bogert (hansbogert) writes: > > I would second that, there's no winning in this case for your requirements > > and single PSU nodes. If there were 3 feeds, then yes; you could make an > > extra layer in your crushmap much like you would incorporate a rack topology > > in the crushmap. > > I'm not fully up on coffee for today, so I haven't yet worked out why > 3 feeds would help ? To have a 'tie breaker' of sorts, with hosts spread > across 3 rails ? You can break up your setup on 3 pieces, so outage of one of them will not lead to outage of more than 1/3 of your cluster. So your cluster will survive. All of your switches, connected to 2 PDUs with separate PSU, will survive in case of outage of one PDU/PSU/ATS. _______________________________________________ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io
