Re: [ceph-users] RBD mirroring to DR site

2018-02-28 Thread Jason Dillaman
On Wed, Feb 28, 2018 at 2:56 PM, Brady Deetz wrote: > Great. We are read heavy. I assume the journals do not replicate reads. Is > that correct? Correct -- only writes (plus discards, snapshots, etc) are replicated. > On Wed, Feb 28, 2018 at 1:50 PM, Jason Dillaman wrote: >> >> On Wed, Feb 28,

Re: [ceph-users] RBD mirroring to DR site

2018-02-28 Thread Brady Deetz
Great. We are read heavy. I assume the journals do not replicate reads. Is that correct? On Wed, Feb 28, 2018 at 1:50 PM, Jason Dillaman wrote: > On Wed, Feb 28, 2018 at 2:42 PM, Brady Deetz wrote: > > I'm considering doing one-way rbd mirroring to a DR site. The > documentation > > states that

Re: [ceph-users] RBD mirroring to DR site

2018-02-28 Thread Jason Dillaman
On Wed, Feb 28, 2018 at 2:42 PM, Brady Deetz wrote: > I'm considering doing one-way rbd mirroring to a DR site. The documentation > states that my link to the DR site should have sufficient throughput to > support replication. > > Our write activity is bursty. As such, we tend to see moments of hi

[ceph-users] RBD mirroring to DR site

2018-02-28 Thread Brady Deetz
I'm considering doing one-way rbd mirroring to a DR site. The documentation states that my link to the DR site should have sufficient throughput to support replication. Our write activity is bursty. As such, we tend to see moments of high throughput 4-6gbps followed by long bouts of basically no a