Specifications

Comprehensive upgrade 3-65
System recovery from shadow disk
Standard 1.0 System Installation and Modification Guide January 1998
System recovery from shadow disk
Introduction
The following procedures are provided for system recovery
from shadow disk:
• Recovering from shadow disk (1-node)
• Recovering from shadow disk (multi-node)
• Recovering from shadow disk for an MSM system
Recovering from
shadow disk (1-node)
For systems with disk shadowing, you can recover your
MM8, MM9, MM10, or MM11 system from shadow disks
that are disabled automatically.
Note: Shadow disk is not available on Card Option
platforms.
Step Action
1 Power the system down.
2 Replace all original hardware including shadow disks, 68K
cards (which had been replaced by MMP40 cards), and SCSI
and memory cards, if applicable.
3 Insert the MM8, MM9, MM10, or MM11 Install/data tape and
power the system up.
4 Select More Utilities from the System Installation and
Modification menu, then press <Return>.
Result:
The System Operation Utility Menu is displayed.
5 Select Exit to support level, then press <Return>.
Result:
The following prompt is displayed:
#TAPE:MMTAPE1>
6 At the above prompt type the following:
Load #tape:mmtape1:software:m1.mirror_pkg
Press <Return>, then type
Fenable 2 0
then press <Return>.