Requirements

While performing any of the disaster recovery procedures included in this chapter, keep in mind the requirements listed in this section. Fulfill the requirements pertinent to the disaster recovery procedure you are following.

Requirements for Replacing the Hardware

If hardware becomes damaged or destroyed, use the following selections to install and configure your new system hardware correctly:

• Ensure that the replacement disk is as large or larger than the original disk.

• When replacing the hardware, try to use the same controller, driver, and SCSI ID used prior to the disaster.

• Re-create the same size or larger disk partitions on the new disk/system.

• Format the disk partitions using the same formats used by the original disk.

Requirements for Reinstalling the Operating System

If the operating system is damaged or destroyed, adhere to the following list when you reinstall the operating system:

• Reinstall the same version of the operating system.

• Use the same computer name, TCP/IP host name, and DNS domain name.

• Reinstall any operating system patches that existed before the disaster.

• Reinstall the device and SCSI drivers.

• Make sure all network protocols are working properly.

• After reinstalling the operating system, reboot your system, and log on as root. Make sure no error messages occur when you start up the system and that all the devices are recognized by the operating system.

Requirements for Reinstalling Backup

Fulfill the following requirements to ensure successful reinstallation of Backup. Refer to the Solstice Backup 5.1 Installation and Release Notes for installation instructions.

• Reinstall the same version of the Backup software.

• Reinstall Backup where it originally resided.

• Reinstall any patches that were installed prior to the disaster.

• For Backup servers, you will have to run additional procedures to retrieve the Backup server's indexes and configuration files. See "How to Recover Backup Indexes and Configuration Files " for information.

• For Backup clients or storage nodes see "How to Recover Backup Clients and Storage Nodes".