Citrix Provisioning Services ( PVS) Basic Introduction
Citrix Provisioning Services PVS Basic Introduction
Provisioning Services is based on software-streaming technology. PVS streams a single shared disk image to multiple individual machines configuration information to, and from the, Provisioning Server database rather than copying images to them. Citrix Provisioning enables organizations to, reduce the number of disk images that they have to manage, even when the number of machines continues to grow.
Citrix PVS can reduce, the operational and storage costs, since it acts as a software-based storage, offloading solution.
The components of Citrix Provisioning Server
1)Provisioning Server
2)Target Device
3)Bootstrap File
4)TFTP Server
5)vDisk Images - 1) Private Image mode 2)Private Image mode
6)Write cache file
High level PVS Boot Process ,& PVS log on process
PVS Boot Process=
The target devices boots and acquires an IP address. The IP Acquiring Process happened in DORA Process.
Quickly first we covering DORA process,
In Step 1,
Target Device sends a Discovery request, of IP Information, to All the listening DHCP servers .
In Step 2
Any listening DHCP servers will , Offer, their configuration information, to the Target Device.
In Step 3,
Target Device chooses the best lease, then Requests, that lease from the corresponding DHCP server.
In Step 4,
The Specific Requested DHCP server, then Acknowledges the device request, and leases the IP configuration information, to Target Device.
Here the DORA Process has been completed & Now Target Device have All IP Configuration Information.
Now we see the PVS log on Process.
1.The target devices boots and acquires an IP address
2.Once Target device get the IP Configuration, Next The target device identifies a TFTP server through DHCP server on 66 port Number.
3.Next the bootstrap file will be downloaded from TFTP Sever, and the target device will be boot, from it.
4.Next The target device will contact and log on, to one of the PVS server.
5.Finaly, Target device starts streaming the vDisk from the PVS server..
Thank You .