The docs is providing the following information: The smallest CRUSH unit type that Ceph will notautomatically mark out. For instance, if set to host and if all OSDs of a host are down, Ceph will not automatically mark out these OSDs.
But what does it exactly mean? Anyone who can explain it? Thanks! > Op 21 aug. 2017 om 17:56 heeft Scottix <[email protected]> het volgende > geschreven: > > Great to hear. > > Best > >> On Mon, Aug 21, 2017 at 8:54 AM John Spray <[email protected]> wrote: >> On Mon, Aug 21, 2017 at 4:34 PM, Scottix <[email protected]> wrote: >> > I don't want to hijack another thread so here is my question. >> > I just learned about this option from another thread and from my >> > understanding with our Ceph cluster that we have setup, the default value >> > is >> > not good. Which is "rack" and I should have it on "host". >> > Which comes to my point why is it set to rack? To be on the safer side >> > wouldn't the option make more sense as host as default? Then if you are >> > rack >> > aware then you can change the default. >> >> Yes! >> >> As it happens, we (Sage was in the room, not sure who else) talked >> about this recently, and the idea was to make the default conditional >> depending on system size. So for smallish systems, we would set it to >> host, and on larger systems it would be rack. >> >> John >> >> > >> > Best, >> > Scott >> > >> > >> > _______________________________________________ >> > ceph-users mailing list >> > [email protected] >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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