There is a presentation of sage, slide 16, https://es.slideshare.net/sageweil1/bluestore-a-new-storage-backend-for-ceph-one-year-in
You can probably try that as an initial guide, hope it helps. gus From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of Frank Ritchie Sent: domingo, 04 de marzo de 2018 1:41 To: ceph-us...@ceph.com Subject: [ceph-users] BlueStore questions Hi all, I have a few questions on using BlueStore. With FileStore it is not uncommon to see 1 nvme device being used as the journal device for up to 12 OSDs. Can an adequately sized nvme device also be used as the wal/db device for up to 12 OSDs? Are there any rules of thumb for sizing wal/db? Would love to hear some actual numbers from users. thx Frank
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