November 2017
Intermediate to advanced
494 pages
14h 29m
English
The following table is a comparison of both the local and shared storage for a quick reference:
|
Features |
Local storage |
Shared storage |
|
VM live migration |
No |
Yes |
|
High availability |
No |
Yes, when used in distributed shared storage |
|
Cost |
Lower |
Significantly higher |
|
I/O performance |
Native disk drive speed |
Slower than the native disk drive speed |
|
Skill requirements |
No special storage skills required |
Must be skilled in the shared storage option used |
|
Expandability |
Limited to available drive bays of a node |
Expandable over multiple nodes or racks when multinode or distributed shared storage is used |
|
Maintenance complexity |
Virtually maintenance free |
Storage ... |
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