[ceph-users] Re: Benchmark WAL/DB on SSD and HDD for RGW RBD CephFS

On 2020-09-17 19:21, vitalif@yourcmc.ru wrote:

It does, RGW really needs SSDs for bucket indexes. CephFS also needs SSDs for metadata in any setup that's used by more than 1 user :).

Nah. I crashed my first cephfs with my music library, a 2 TB git annex repo, just me alone (slow ops on mds). creating a cephfs on a non ssd/nvme metadata pool should require --i-really-want-this flag :) poelzi