Chapter 6. ALUA
Storage arrays provide various configurations and features, depending on their class and design. Depending on how the arrays handle I/O to devices presented to hosts, they can be classified as follows:
Active/Active—I/O (input/output) can be sent to logical unit numbers (LUNs) via any storage processor (SP) and port. Most of these arrays have large caches in place, and the I/O is done on the LUN representation in cache, and then the writes are flushed to the physical disks asynchronously from the I/O.
Active/ Passive—I/O can ...
Get Storage Design and Implementation in vSphere 6: A Technology Deep Dive, 2nd Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
