Users Guide

VASA storage capabilities
Storage provisioning operations in vSphere enable VASA to monitor whether a storage array's physical
components meet VM requirements according to defined capabilities. Available capabilities and their
common performance ranges are listed in the Table 1.
Table 1. Available VASA storage capabilities
Storage capabilities Common use/Performance range
SSDs
Storage Type Virtual disks containing solid-state drives (SSDs) or hard
drives
Performance
Level
Highest available
SSDs-Thin
Storage Type Thin-provisioned virtual disks containing solid-state
physical disks
Performance
Level
Highest available
10K/15K Drives
Storage Type Virtual disks containing high-performance physical disks
Performance
Level
High (used in most standard environments)
10K/15K Drives-Thin
Storage Type Thin-provisioned virtual disks containing high-
performance physical disks
Performance
Level
High (used in most standard environments)
NLSAS Drives
Storage Type Virtual disks containing Near-Line SAS (NL-SAS) physical
disks 10K RPM or less
Performance
Level
Intermediate performance, good for bulk storage
requirements
NLSAS Drives-Thin
Storage Type Thin-provisioned virtual disks containing Near-Line SAS
(NL-SAS) physical disks 10 K RPM or less
Performance
Level
Intermediate performance, good for bulk storage
requirements
Replicated SSDs
Storage Type Virtual disks containing SSDs.
Performance
Level
Highest available for replicated virtual disks
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