On Sat, Apr 9, 2022 at 12:33 AM Vladimir Brik < vladimir.brik@xxxxxxxxxxxxxxxx> wrote: > Hello > > What speed networking is recommended for active-active MDS > configurations? > I think there is no specific recommendation for active-active MDS. Though 2*1G is sufficient, it is recommended to use 2*10G for inter MDS communication. https://access.redhat.com/documentation/en-us/red_hat_ceph_storage/5/html/hardware_guide/minimum-hardware-recommendations-for-containerized-ceph_hw > When I tried active-active configuration on my cluster, the > MDS servers' bonded 2x1Gbps quickly became saturated. > > Is there a way to run two active MDSes on the same server > (get 2x CPU without saturating the network) and, if just one > fails, fail-over to two MDSes on another server? > Two active MDSes on the same server should work. But if one fails, failing over onto other two MDSes on the other server is not controllable. > > Thanks, > > Vlad > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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