Home > Storage > PowerVault > White Papers > Dell PowerVault ME5024 and VMware Horizon 8 with 500 VDI Users > Login phase
The login phase is where users connect to virtual desktops and start running Knowledge Worker tasks. The login phase for this test is set to log in two users every second.
Simultaneously, App Volumes is configured to create writable volumes for each user at the time of their first login (two writable volumes created every second).
The figures below show the PowerVault performance results during the login phase. For this test, the user writable volumes already exist. The writable volumes were created during a previous test run.
Note: When the environment is idle, PowerVault, vSphere and Horizon apps may perform cleanup or other background activities that generate I/O on the storage, as shown in the following figures. After the start of a test with an active workload, these background activities diminish.