read and write MB/sec not correct about ceph-dash

[Crapworks]

Hi tdeneau,

this is not an issue of ceph-dash. Ceph-dash just outputs the same data as shown on the command line via ceph status. Since it is only refreshing every 5 seconds, it can only show a current snaphot of the overall cluster performance. The rados benchmark for sure shows you the acutal data rates librados is able to write and read.

So this is actually not an error, it is just the nature of how the ceph cluster is showing its performance statistics.

Regards,
Christian

[tdeneau]

Thanks, I did not realize that ceph status provided this information, will look into how it computes it