August 2012
Intermediate to advanced
700 pages
13h 23m
English
Content preview from Storage Implementation in vSphere® 5.0Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 16. VAAI
As vSphere 5 environments get larger and larger, the amount of data it handles gets even larger. This can have a negative effect on input/output (I/O) throughput and bandwidth as several operations done frequently by ESXi servers demand processing cycles and erode into valuable bandwidth. VMware designed a set of application programming interfaces (APIs) to offload most of the storage processing and bandwidth to the storage arrays, which frees up precious central processing unit (CPU) cycles and storage area network (SAN) /data local area network (LAN) bandwidth and allocates it to where it is needed.
This set of APIs is referred to VMware vStorage APIs for Array Integration (VAAI). They utilize the T10 standard set of commands ...
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