Upgrade Dell PowerFlex to v3.6.x

Upgrade the SDC on an ESXi host

You can manually upgrade the SDC on an ESXi host. If the ESXi also hosts an SDS component, this procedure must be performed one node at a time.

Upgrade the SDC offline bundle:
```
esxcli software vib install -d <full_path_to_offline_bundle>
```
where <full_path_to_offline_bundle> is the full path to the sdc-3.6-<build>.X-esx<version>.zip file.
NOTE:The SDC offline ESXi 6.0 bundle is the same for all ESXi 6.x versions.
Gracefully shut down the ESXi host and then return it to normal operation, as described in the "Reference" section of this guide.

NOTE:The graceful reboot cycle must be performed one host at a time.
Ensure that the driver is loaded:
```
vmkload_mod -l | grep scini
```
Output, similar to the following, indicates that the driver is loaded:
```
scini 2 808
```
The SDC component is installed on the ESXi host.