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ZStack Cloud 5.3.28>ZStack Cloud Tutorials>ZStack Cloud Private Cloud>SharedBlock Deployment Tutorial (FC)>Environment Preparations
Environment Preparations
Physical Server
The following table lists necessary servers and their configurations for this tutorial.
| Server | Hardware Configuration | IP Address | Hostname Configuration |
|---|---|---|---|
| zstack-mn | 4C 8G | 172.20.12.249 | hostnamectl set-hostname zstack-mn |
| sharedblock-host1 | 4C 8G | 172.20.11.107 | hostnamectl set-hostname sharedblock-host1 |
| sharedblock-host2 | 4C 8G | 172.20.11.244 | hostnamectl set-hostname sharedblock-host2 |
| sharedblock-host3 | 4C 8G | 172.20.12.241 | hostnamectl set-hostname sharedblock-host3 |
All servers are installed with ZStack Cloud ISO.
- All servers are installed with the same version of operating system. For example, all servers are installed with h84r ISO.
- Install one of the servers as Management Node.
- Install the other three servers as Compute Node or Expert Mode.
- When the installation completes, run the following command to configure the hostname resolution:
[root@sharedblock-host1 ~]# cat /etc/hosts ... 172.20.11.107 sharedblock-host1 172.20.11.244 sharedblock-host2 172.20.12.241 sharedblock-host3 ... - Add the three servers to the management node. All hosts will be automatically installed with necessary toolkits including LVM and Multipath.
Now the physical servers are ready.
Storage Network Topology
The following figure shows the network topology of physical servers, storage devices, and a SAN switch.
For better understanding, the above topology is based on a single-link scenario. If you deploy a SharedBlock storage in a production environment, we highly recommend you use a dual-controller FC storage and enable the high availability mode of the storage network to ensure redundancy.
Next Chapter: Deploy a SharedBlock Primary Storage