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Extending OpenStack
book

Extending OpenStack

by Omar Khedher
February 2018
Intermediate to advanced content levelIntermediate to advanced
300 pages
6h 17m
English
Packt Publishing
Content preview from Extending OpenStack

Managing block storage – Logical Volume Manager (LVM)

The LVM is a Linux kernel volume manager that adds an abstraction layer between the storage and logical devices in a Linux-based system. LVM is an independent Linux software that provides useful options including resizing, snapshotting volumes, and thin provisioning. Bear in mind that LVM is not a Cinder dependency. On the other hand, it is configured as the default block storage backend for OpenStack.

Under the hood, the cinder-volume service will check the volume group created in the storage host. To provide access, Cinder will use a path target by the means of multi transfer protocols supported by LVM, including iSCSI (SCSI over IP), iSER (SCSI over RDMA), and  Fiber Channel over Ethernet ...

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Publisher Resources

ISBN: 9781786465535Supplemental Content