I don't think a CRUSH rule exception is currently possible, but it makes sense to me for a feature request.
On Sat, Feb 18, 2017 at 6:16 AM, Maged Mokhtar <[email protected]> wrote: > > Hi, > > I have a need to support a small cluster with 3 hosts and 3 replicas given > that in normal operation each replica will be placed on a separate host > but in case one host dies then its replicas could be stored on separate > osds on the 2 live hosts. > > I was hoping to write a rule that in case it could only find 2 replicas on > separated nodes will emit it and do another select/emit to place the > reaming replica. Is this possible ? i could not find a way to define an if > condition or being able to determine the size of the working vector > actually returned. > > Cheers /maged > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Brian Andrus | Cloud Systems Engineer | DreamHost [email protected] | www.dreamhost.com
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