Specifications

Comprehensive upgrade 3-69
System recovery from shadow disk
Standard 1.0 System Installation and Modification Guide January 1998
Recovering from
shadow disk for an
MSM system
To perform a system recovery from shadow disk on MSM
systems, follow these steps.
Step Action
1 Power the system down.
2 Insert the previous release of the Install/data tape and power
the system up.
3 Select More Utilities from the System Installation and
Modification menu, then press <Return>.
Result:
The System Operation Utility Menu is displayed.
4 Select Exit to support level, then press <Return>.
Result:
The following prompt is displayed:
#TAPE:MMTAPE1>
5 Type the following at the prompt:
fork #tape:mmtape1:prm_tape
then press <Return>.
Note:
Wait for all nodes to load operating system.
6 Type the following at the prompt:
fork ci[n] <<:CONSOLE:Nn >>:CONSOLE:Nn
Requirement: Where n is replaced by the odd numbered node,
starting with node 3. Repeat this step for each odd node on the
system and for each even node where you have enabled disk
packs.
Then press <Return>.
7 Type the following at the prompt:
Load #tape:mmtape1:software:spm.mirror_pkg
Press <Return>, then type
Fenable 1
and press <Return>.
8 At the following prompt, press <Return> in order to accept the
default buffer size value of 64:
Buffer size (k) :64
9 Press <Control><W> to display the CobraVT window.