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| Oracle Solaris Cluster 4.1 Hardware Administration Manual Oracle Solaris Cluster 4.1

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## Maintaining Oracle Solaris Cluster Hardware

Oracle Solaris Cluster 4.1 Hardware Administration Manual augments documentation that ships with your hardware components by providing information on maintaining the hardware specifically in an Oracle Solaris Cluster environment. Table 1-2 describes some of the differences between maintaining cluster hardware and maintaining standalone hardware.

Table 1-2 Sample Differences Between Servicing Standalone and Cluster Hardware

Task | Standalone Hardware | Cluster Hardware
--- | --- | ---
Shutting down a node | Use the `shutdown` command. | To perform an orderly node shutdown, first use the `clnode evacuate` to switch device groups and resource groups to another node. Then shut down the node by running the `shutdown(1M)` command.
Adding a disk | Perform a reconfiguration boot or use `devfsadm` to assign a logical device name to the disk. You also need to run volume manager commands to configure the new disk if the disks are under volume management control. | Use the `devfsadm`, `cldevice populate`, and `cldevice` or `scdidadm` commands. You also need to run volume manager commands to configure the new disk if the disks are under volume management control.
Adding a transport adapter or public network adapter | Perform an orderly node shutdown, then install the public network adapter. After you install the network adapter, update the `/etc/hostname.adapter` and`/etc/inet/hosts` files. | Perform an orderly node shutdown, then install the public network adapter. After you install the public network adapter, update the `/etc/hostname.adapter` and`/etc/inet/hosts` files. Finally, add this public network adapter to an IPMP group.

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