Recovering a Minimal Operating System
To create a minimal operating system recovery tape at /dev/rmt/0mn containing only the operating system elements required to boot the system, perform the following steps:
1.Load a writable tape in the default tape drive for your system.
2.As superuser, enter make_tape_recovery. A tape will be created without further interaction.
System recovery from this tape involves booting from the tape to recover the minimum core operating system. Then you would follow up with data recovery of all user files newer than those restored from the recovery tape.
NOTE: If you are creating a recovery tape for an
Creating a System Recovery Tape of the Entire Root Disk Volume
To create a system recovery tape at the default device, /dev/rmt/0m, that includes the entire root disk in the recovery image, perform the following steps:
1.Load a writable tape in the default tape device for your system.
2.Enter the command:
make_tape_recovery
A tape will be created without further interaction.
Creating a System Recovery Tape of the Root Disk Volume with /usr on a Different Volume Group
You can easily create a system recovery tape of the entire root disk, even if the /usr file system resides on a different volume group, by using the
1.Load a writable tape in the default tape device for your system.
2.Create a system recovery image with all the disks and volume groups containing the files specified by the default essentials file list /opt/ignite/recovery/mnr_essentials, or a
make_tape_recovery
A tape is created on the default device, /dev/rmt/0m, without further interaction. You can boot this tape on your new system.
TIP: The use of the
Tape Recovery for
To install a system recovery image from a tape on a
1.Load the system recovery tape in the tape drive.
2.Boot the system.
3.Interrupt the boot sequence by pressing Esc.
4.Select the tape drive you want to use, and then boot from it.
5.Allow the installation process to complete.
For more information on creating recovery tapes, see make_tape_recovery(1M).
198 Recovery