March 2019
Beginner
756 pages
18h 45m
English
book
Mastering VMware vSphere 6.7 - Second Edition
by Martin Gavanda, Andrea Mauro, Paolo Valsecchi, Karel Novak
Content preview from Mastering VMware vSphere 6.7 - Second Edition
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The RAID level
The idea of the RAID level is to use multiple physical devices that form a logical volume. There are two main reasons for working with logical volumes instead of single devices:
- Redundancy: The goal is to have multiple devices (HDDs or SSDs) in a single logical volume. Based on the RAID level, we can tolerate one or more failures without affecting the availability of the logical volume.
- Performance: Some RAID levels have better performance characteristics than other types, but usually the trade-off is capacity. Higher performance means less capacity and vice versa.
The most commonly used RAID levels are as follows:
- RAID 0: This is also called striping. Both disks are used simultaneously, giving you twice the performance ...
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