Deploying an Instance from a Shared Disk Installation

(Optional) Create an SAP Control Center server or agent from an installation on a shared disk.

1. Log in to the host on which you plan to run the SCC server or agent.
   Note: You can create an instance on one host and run it on another host, but doing so interferes with the predeployment checks run by sccinstance. Such a deployment might generate errors (port conflicts, for example). If you are confident that the errors are caused by problems that will not be present on the host where you plan to run the instance, use the -force option to create the instance.
2. Change to SCC-3_3/bin.
3. Create the instance as an SCC agent if you plan to run a managed server on this host. Create the instance as an SCC server if you plan to manage other SAP servers from this host.
   To create an SCC agent called Boston-agent and configure it to run as a Windows service:

   sccinstance -create -agent -instance Boston-agent -service

   To create an SCC server called Boston and configure it to run as a Windows service:

   sccinstance -create -server -instance Boston -service

   On UNIX systems, omit the -service option.

4. If other SCC instances will run on this host, change the port assignments for the new instance. Change the instance names and port values in the sample commands to suit your environment, but take care to specify ports that are not in use by another SCC instance or any other application or server.
   This command changes the port assignments for an SCC agent called myagent:

   sccinstance -refresh -instance myagent -portconfig rmi=8888,jiniHttp=9093,jiniRmi=9096,tds=9997
   

   This command changes the port assignments for an SCC server called myserver:

   sccinstance -refresh -server -instance myserver -portconfig rmi=8889,db=3640,
   http=7072,https=7073,jiniHttp=9094,jiniRmi=9097,msg=2002,tds=9996
   

5. (Optional) List the instances deployed from this installation:

   sccinstance -list
   

6. (Optional) If you are setting up an instance in UNIX, configure it to run as a service. See Starting and Stopping SAP Control Center in UNIX.

When you manage and maintain instances, keep in mind that the directory structure for instances is different from that of singleton installations. In file paths in SCC help, replace SCC-3_3 or <scc-install-directory> with SCC-3_3/instances/<instance-name>.

For example, the path to the log directory, SCC-3_3/log, becomes this for an instance called kalamazoo:

SCC-3_3/instances/kalamazoo/log

• Enabling and Disabling Shared-Disk Mode
  Turn on or turn off shared-disk mode, which allows you to run multiple SAP Control Center agents and servers from a single installation on a shared disk.
• Shared-Disk Mode
  Shared-disk mode lets you run multiple SAP Control Center instances—SCC servers, SCC agents, or a mixture of the two—from a single installation of the product.
• sccinstance Command
  Use sccinstance.bat (Windows) or sccinstance (UNIX) to deploy an instance of SAP Control Center from a shared-disk installation or to manage existing instances.