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

Guest Operating System Presentation

OpenStack clouds are usually configured to present virtual drives to guest operating system instances through libvirt via the virtio drivers, which avoid the baggage and performance limitations of emulating traditional IDE/ATA drives. On Linux clients these volumes will often be presented as /dev/vda, /dev/vdb, and so forth if the older virtio-blk driver is used and /dev/sda, /dev/sdb, etc. if the newer virtio-scsi driver is configured. In either event one can also reference devices by UUID as shown in the preceding example.

Guest operating systems can thus install and use Ceph-backed volumes as they would a traditional physical disk, for boot or supplementary data drives. The guest operating system via ...

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