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85 450GB LUNs for desktops
This storage strategy is illustrated in the following figure.
Figure 41. Tiered Storage Example for a Large Desktop Pool
ESX
ESX
ESX
Parent 2
Parent 3
Parent 4
Parent 5
PARENT SSD, shared across all clusters
ESX cluster, consisting of 192
Intel cores and 2.3TB RAM,
connected via 10Gb FCoE
Replica SSD, one per pool/cluster
Linked clones
Parent 1
Pool datastores,
15K RAID1/0
32 datastores per pool
Replica 1
2000-desktop pool
staorage cross section
From an architectural perspective, View Composer creates desktop images that share a base image, which
can reduce storage requirements by 50 percent or more. You can further reduce storage requirements by
setting a refresh policy that periodically returns the desktop to its original state and reclaims space that is
used to track changes since the last refresh operation.
If you use View Composer with vSphere 5.1 or later virtual machine desktops, you can use the space
reclamation feature. With this feature, stale or deleted data within a guest operating system is automatically
reclaimed with a wipe and shrink process when the amount of unused disk space reaches a certain
threshold. Note that the space reclamation feature is not supported if you use a Virtual SAN datastore.
Chapter 4 Architecture Design Elements and Planning Guidelines for Remote Desktop Deployments
VMware, Inc. 67