operations. Ceph Monitors leverage the key/value store's snapshots and iterators
(using leveldb) to perform store-wide synchronization.
-.. ditaa::
-
+.. ditaa::
/-------------\ /-------------\
| Monitor | Write Changes | Paxos |
| cCCC +-------------->+ cCCC |
capacity is 95TB, not 99TB.
.. ditaa::
-
+--------+ +--------+ +--------+ +--------+ +--------+ +--------+
| Rack 1 | | Rack 2 | | Rack 3 | | Rack 4 | | Rack 5 | | Rack 6 |
| cCCC | | cF00 | | cCCC | | cCCC | | cCCC | | cCCC |
and the leader tells the requester to synchronize with a provider.
-.. ditaa:: +-----------+ +---------+ +----------+
+.. ditaa::
+ +-----------+ +---------+ +----------+
| Requester | | Leader | | Provider |
+-----------+ +---------+ +----------+
| | |