October 2017
Intermediate to advanced
340 pages
9h 46m
English
Content preview from Learning Ceph - Second Edition
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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 ...
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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.