About RBD, Rados Block Device

For anybody enjoying Latin pop in the 2000s, RBD was a popular Mexican pop band from Mexico City labeled by EMI Virgin. The group achieved international success from 2004 until their separation in 2009 and sold over 15 million records worldwide, making them one of the best-selling Latin music artists of all time. The group […]

Calculating RADOS objects for RBD images

Ceph’s RBD (RADOS Block Device) is just a thin wrapper on top of RADOS, the object store of Ceph. It stripes (by default) over 4MB objects in RADOS. It’s very simple to calculate which RADOS object corresponds with which sector on your RBD image/block device. First you have to find out the block device’s object […]

Ceph distributed storage with CloudStack

As we are nearing the CloudStack 4.0 release I figured it was time I’d write something about the Ceph integration in CloudStack 4.0 In the beginning of this year we (my company) decided we wanted to use CloudStack for our cloud product, but we also wanted to use Ceph for the storage. CloudStack lacked the […]