Hey Seb,
> I have a test cluster on which I created pools rbd and cephfs (octopus), when
> I copy a directory containing many small files on a pool rbd the USED part of
> the ceph df command seems normal on the other hand on cephfs the USED part
> seems really abnormal, I tried to change the block
Yes, RBD volumes are typically much larger than bluestore_min_alloc_size.
Typically your client filesystem is built *within* an RBD volume, but to Ceph
it’s a single, monolithic image.
> On Sep 14, 2021, at 7:27 AM, Sebastien Feminier
> wrote:
>
>
> thanks josh , my cluster is octopus on hd
thanks josh , my cluster is octopus on hdd (for testing) ,so i have to
re-create OSDs and change bluestore_min_alloc_size before creating OSDs ?
Is this normal that my rbd pool does not having size amplification ?
> Hey Seb,
>
>> I have a test cluster on which I created pools rbd and cephf