You can change the crush rule to be OSD instead of HOST specific. That way Ceph will put a chunk per OSD and multiple Chunks per Host. Please keep in mind, that will cause an outage if one of your hosts are offline. -- Martin Verges Managing director Mobile: +49 174 9335695 E-Mail: martin.verges@xxxxxxxx Chat: https://t.me/MartinVerges croit GmbH, Freseniusstr. 31h, 81247 Munich CEO: Martin Verges - VAT-ID: DE310638492 Com. register: Amtsgericht Munich HRB 231263 Web: https://croit.io YouTube: https://goo.gl/PGE1Bx On Thu, 25 Mar 2021 at 19:02, by morphin <morphinwithyou@xxxxxxxxx> wrote: > Hello. > > I have 5 node Cluster in A datacenter. Also I have same 5 node in B > datacenter. > They're gonna be 10 node 8+2 EC cluster for backup but I need to add > the 5 node later. > I have to sync my S3 data with multisite on the 5 node cluster in A > datacenter and move > them to the B and add the other 5 node to the same cluster. > > The question is: Can I create 8+2 ec pool on 5 node cluster and add > the 5 node later? How can I rebalance the data after that? > Or is there any better solution in my case? what should I do? > _______________________________________________ > 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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