O'Reilly logo

Learning Ceph - Second Edition by Karan Singh, Vaibhav Bhembre, Anthony D'Atri

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Ceph Block Device (RADOS Block Device)

Many deployments using platforms such as OpenStack or DigitalOcean manage and attach RBD images at the virtualization layer, so they appear to the guest operating system through SCSI or Virtio drivers. Here we'll also explore the use of the Linux kernel driver on arbitrary, even bare metal, systems.

The RADOS Block Device (RBD)—formerly known as the Ceph Block Device—provides block-based persistent storage to Ceph clients. The block device is presented as a traditional drive on the client machine. Such a drive can be used in various ways. It can be used as a raw block device or as a filesystem by partitioning, formatting, and subsequently mounting it.

RBD makes use of the librbd library and stores blocks ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required