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2. ### To Configure External IP Addresses To configure external IP addresses for a diskless node, the node must have an extra physical network interface or logical network interface. A physical network interface is an unused interface on an existing Ethernet card or a supplemental HME Ethernet card or QFE Ethernet card, for example, `hme2`. A logical network interface is an interface that is configured on an existing Ethernet card, for example, `hme1:101`. Configure an external IP address for the extra network interface based on your public network policy. ### To Disable the Router Feature Because the cluster network is not routable, you must disable the diskless node as a router. Log in to the master node as superuser. Create the `notrouter` file:
       # touch /export/root/diskless-node-name/etc/notrouter
For a description of the advantages of using a private cluster network, see the "Cluster Addressing and Networking" in Netra High Availability Suite Foundation Services 2.1 6/03 Overview. ### To Set Up File Systems for a Diskless Node To set up file systems for a diskless node, you create the mount points `/SUNWcgha/remote`, `SUNWcgha/services`, and `/SUNWcgha/swdb`. Add the NFS mount points for the directories that contain middleware data and services on the master node. Update the `/etc/vfstab` file in the root directory for the diskless node. Then, these file systems are exported from the master node through the NFS, and are automatically mounted for the diskless nodes at boot time. Table 7-3 explains the file systems that are exported on the master node and the corresponding mount points for the diskless nodes. For information about how to export these file systems on the master node, see To Set Up File Systems on the Master-Eligible Nodes. Table 7-3 Mounted File Systems
Description | Exported Mount Point on the Master Node | Mount Point for Diskless Nodes
--- | --- | ---
Root file systems | `/export/root/`diskless-node-name`` | `/`
Foundation Services data used locally | `/SUNWcgha/local` | Not exported
Foundation Services exported data | `/SUNWcgha/local/export/data` | `/SUNWcgha/remote`
Foundation Services exported data | `/SUNWcgha/local/export/services/ha_v1/opt` | `/SUNWcgha/services`
Foundation Services exported data | `/SUNWcgha/local/export/services` | `/SUNWcgha/swdb`
3. - All file systems that you mount using NFS must be mounted with the options `fg`, `hard`, and `intr`. You can also set the `noac` mount option, which suppresses data and attribute caching. Use the `noac` option only if the impact on performance is acceptable. Log in to the master node as superuser. Edit the entries in the `/export/root/`diskless-node-name`/etc/vfstab` file. If you have configured the CGTP, replace the host name of the master node with the host name associated with the floating IP address for the `cgtp0` interface that is assigned to the master role, for example, `master-cgtp`. For more information, see To Create Floating Address Triplet Assigned to the Master Role. If you have not configured the CGTP, replace the host name of the master node with the host name associated with the floating IP address for the NIC0 interface that is assigned to the master role, for example, `master-nic0`. Define the mount points `/SUNWcgha/remote`, `SUNWcgha/services`, and `/SUNWcgha/swdb`. If you have configured the CGTP, use the floating IP address for the `cgtp0` interface that is assigned to the master role to define the mount points.
         master-cgtp:/SUNWcgha/local/export/data -       \
         /SUNWcgha/remote        nfs     -       yes     \
         rw,hard,fg,intr
         master-cgtp:/SUNWcgha/local/export/services/ha_v1/opt   \
         -       /SUNWcgha/services      nfs     -       yes    \
         rw,hard,fg,intr
         master-cgtp:/SUNWcgha/local/export/services     -     \
         /SUNWcgha/swdb  nfs    -       yes     rw,hard,fg,intr
   - If you have not configured the CGTP, use the floating IP address for the NIC0 interface that is assigned to the master role.
         master-nic0:/SUNWcgha/local/export/data -       \
         /SUNWcgha/remote        nfs     -       yes     \
         rw,hard,fg,intr
         master-nic0:/SUNWcgha/local/export/services/ha_v1/opt   \
         -       /SUNWcgha/services      nfs     -       yes    \
         rw,hard,fg,intr
         master-nic0:/SUNWcgha/local/export/services     -     \
         /SUNWcgha/swdb  nfs    -       yes     rw,hard,fg,intr
   Note - Do not use IP addresses in the `/etc/vfstab` file for the diskless nodes. Instead, use logical host names. Otherwise, the `pkgadd `-R`` command fails and returns the following message:
       WARNING: <cannot install to or verify on <master_ip>
4. In the diskless node directory `/export/root/`diskless-node-name, create the mount points:
       # mkdir -p SUNWcgha/remote
       # mkdir -p SUNWcgha/services
       # mkdir -p SUNWcgha/swdb
2. Repeat Step 2 and Step 4 for all diskless nodes. ### To Create the `nhfs.conf` File for a Diskless Node Each node in the cluster has a cluster configuration file, `nhfs.conf`. Create this file for the new diskless node by performing this procedure. Log in to the master node as superuser. Create the `nhfs.conf` file for the diskless node:
       # cp /etc/opt/SUNWcgha/nhfs.conf.template \
       /export/root/diskless-node-name/etc/opt/SUNWcgha/nhfs.conf
Configure the `/export/root/`diskless-node-name`/etc/opt/SUNWcgha/nhfs.conf` file. For more information, see the `nhfs.conf`(4) man page. If you have not installed the CGTP patches and packages, do the following: Disable the `Node.NIC1` and `Node.NICCGTP` parameters. To disable these parameters, add a comment mark (#) at the beginning of the line containing the parameter if this mark is not already present. Configure the `Node.UseCGTP` and the `Node.NIC0` parameters: `Node.UseCGTP=False` `Node.NIC0=`interface-name where interface-name is the name of the NIC0 interface, for example, `hme0`, `qfe0`, or `eri0`. Repeat Step 2 and Step 3 for all diskless nodes.
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