VMware VIEW COMPOSER 2.5 - ARCHITECTURE Bedienungsanleitung PDF herunterladen (Seite 13)

EMC Infrastructure for Virtual Desktops Enabled by EMC VNX, VMware vSphere 4.1,

VMware View 4.5, and VMware View Composer 2.5

Figure 1 provides an example of the Unisphere Summary page that gives administrators a

wealth of detailed information on connected storage systems, from LUN pool and tiering

summaries to physical capacity and RAID group information.

Figure 1. Unisphere Summary page

EMC FAST VP

With EMC FAST VP, EMC has enhanced its FAST technology to be more automated with sub-

LUN tiering and to support file as well as block. This feature works at the storage pool level,

below the LUN abstraction. Where earlier versions of FAST VP operated above the LUN level,

FAST VP now analyzes data patterns at a far more granular level. As an example, rather than

move an 800 GB LUN to enterprise Flash drives, FAST VP now identifies and monitors the

entire storage pool in 1 GB chunks. If data becomes active, then FAST VP automatically moves

only these “hot” chunks to a higher tier like Flash. As data cools, FAST VP also correctly

identifies which chunks to migrate to lower tiers and proactively moves them. With such

granular tiering, it is now possible to reduce storage acquisition while at the same time

improve performance and response time. And because FAST VP is fully automated and policy-

driven, there is no manual intervention required to make this happen, so you save on

operating costs as well.

EMC FAST Cache

VNX FAST Cache, a part of the VNX FAST suite, enables Flash drives to be used as an

expanded cache layer for the array. FAST Cache has array-wide features available for both file

and block storage. FAST Cache works by examining 64 KB chunks of data in FAST Cache

enabled objects on the array. Frequently accessed data is copied to the FAST Cache and

subsequent accesses to that data chunk are serviced by FAST Cache. This allows immediate

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VMware VIEW COMPOSER 2.5 - ARCHITECTURE Bedienungsanleitung Seite 13