As far as I understand the structur of CEPH the answer is No.
The CRUSH Algorithm decides when and how data gets written.
Original research paper about CRUSH:
http://ceph.com/papers/weil-crush-sc06.pdf
High level description of the CRUSH map inside CEPH
http://docs.ceph.com/docs/master/rados/operations/crush-map/
CEPH architecture overview (including CRUSH)
http://docs.ceph.com/docs/master/architecture/
- David
On 23.11.2015 15:44, louis wrote:
Hi, if I submit read or write io in a sequence from a ceph client,
will these sequence will be kept in osds side? Thanks
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