The problem with clients on osd nodes is for kernel clients only. That's true of krbd and the kernel client for cephfs. The only other reason not to run any other Ceph daemon in the same node as osds is resource contention if you're running at higher CPU and memory utilizations.
On Sat, Mar 9, 2019, 10:15 PM Mike Christie <mchri...@redhat.com> wrote: > On 03/07/2019 09:22 AM, Ashley Merrick wrote: > > Been reading into the gateway, and noticed it’s been mentioned a few > > times it can be installed on OSD servers. > > > > I am guessing therefore there be no issues like is sometimes mentioned > > when using kRBD on a OSD node apart from the extra resources required > > from the hardware. > > > > That is correct. You might have a similar issue if you were to run the > iscsi gw/target, OSD and then also run the iscsi initiator that logs > into the iscsi gw/target all on the same node. I don't think any use > case like that has ever come up though. > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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