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4.2 Test configuration
4.2.1 FS7500 controllers and EqualLogic PS Series arrays
For the baseline test, three EqualLogic PS6100X arrays and one FS7500 system (two controllers) were
used. The NAS reserve was divided into three NAS file systems; the first one to store the virtual hard
drives (VMDKs) and OS, the second one to store the simulated application database data, and the third
one to store the simulated application log file data. This was done to isolate the VM operating system
data, application data, and application logs due to the differing needs of performance and data
protection options for each of them. On the ESX host, one NAS service IP address was used to access
the OS datastore, six IP addresses were used to access the data datastore, and one IP address was
used to access the log datastore. Figure 20 below illustrates these connections. Each ESXi host was
configured with four NICs as uplinks for the vSwitch used for NFS access. For the baseline test, the
capacity of OS, log data, and data File systems was 18TB, 1TB, and 2TB respectively. For the other two
tests (with 6 PS6100 arrays), the capacity of OS, Log data, and data File systems was 36TB, 2TB, and
4TB respectively.