Hello,
We are implementing ceph as storage backend for some systems.
Unfortunately we have to use a posix filesystem for storing the data.
To accomplish this we have implemented a solution quite similar to what
Sebastien Han has described on his blog here
Hi,
Now to our problem. We want to be sure that a write is replicated before we
get a ack.
That should be the case AFAIU.
There was however a bug that was recently fixed that make RBD ack too early.
one osd can lead to data loss with min_size set to 1.
It definitely shouldn't. Unless of