[ceph-users] Re: [Suspicious newsletter] bucket index and WAL/DB

2021-03-25 Thread Szabo, Istvan (Agoda)
In couple of documentation that I've read I finally made the decision to separate index from wal+db. However don't you think that the density is a bit high with 12HDD for 1 nvme? So if you loose nvme you actually loose your complete host and a lot of data movements will happen. Istvan Szabo Sen

[ceph-users] Re: [Suspicious newsletter] bucket index and WAL/DB

2021-03-26 Thread Marcelo
This is exactly the problem, so we thought about not risking losing the entire host by using both NVMes. From what I understand the bucket index data is stored in the omap, which is stored in the block.db, making it unnecessary to create a separate OSD for the bucket index. But I didn't find anyth