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Dell PowerVault MD Series VMware vStorage APIs For Storage Awareness (VASA) Provider User's Guide (Web Client)

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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 . This table describes about 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
Replicated 10K/15K Drives
Storage Type
Virtual disks containing high-performance physical disks
Performance Level
High (used in most standard replicated environments)
Replicated NLSAS Drives
Storage Type
Replicated virtual disks containing Near-Line SAS (NL-SAS) physical disks 10K RPM or less
Performance Level
Intermediate performance, good for bulk storage requirements

For assigning these capabilities in vSphere, see Using the VASA provider .

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