October 2017
Intermediate to advanced
340 pages
9h 46m
English
Content preview from Learning Ceph - Second Edition
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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 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.