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In this example, we assume a disk with the operating system and the Backup
binaries has been damaged or completely destroyed, so you need to replace the
damaged disk and reinstall both the operating system and the Backup software. If
the disk was not completely destroyed and the operating system or Backup is still
operational, use only those steps in this section that apply to your situation. These
steps apply to Backup servers and clients, unless otherwise specified.
Caution - When you recover the operating system, you must do so in single-user
mode from the system console, not from the X window system.
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To prepare for recovering the operating system for either a server or client, follow
these instructions:
1.Replace the damaged disk if necessary.
Make sure the replacement disk is as large or larger than the original disk.
2.Use the saved disk partition information to re-create the disk partitions with the
same structure as the original.
See "Disk Information" on page 6.
3.Use the output from the "Disk Information" section to make a filesystem for each
raw partition that you plan to recover, then mount the block partition.
Backup does not initialize or create filesystems; it recovers data into existing
filesystems.
4.Use the appropriate command to format the replacement disk.
For SunOS and Solaris systems, use newfsor mkfs.
5.Reinstall the operating system in the same location where it originally resided,
using the original software and accompanying documentation.
Use the same system name, TCP/IP hostname, and DNS Domain name used prior to
losing the operating system.
You can choose to fully configure the operating system now, or you can install the
minimum number of files and make the minimum number of configurations
required to create an operational networked system. See "Restoring the Operating
System" on page 8 for more information.
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