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Comprehensive upgrade 3-67

System recovery from shadow disk

Standard 1.0 System Installation and Modification Guide January 1998

Recovering from

shadow disk (multi-

node)

To perform a system recovery from shadow disk on systems

with two or more nodes, follow these steps.

Starting Point: After step 5 of the previous procedure

Step Action

1 Type the following at the prompt:

fork #tape:mmtape1:prm_tape

then press <Return>.

Note:

Wait for all nodes to load operating system. Check

SEERs to insure that all nodes have loaded.

2 For a 2-node system, type the following at the prompt:

fork ci[2] <<:CONSOLE:N2 >>:CONSOLE:N2

then press <Return>.

3 If the system has three or more nodes, enter the following at

the prompt:

fork ci[n] <<:CONSOLE:Nn >>:CONSOLE:Nn

where

n = 3, 4, or 5

then press <Return>.

Note:

In order to recover the fifth node, you may close the

window of a previous node. However, you must wait until the

restore of the previous node is complete.

4 Next, type the following:

Load #tape:mmtape1:software:m1.mirror_pkg <Return>

Fenable 2 0

then press <Return>.

5 At the following prompt, press <Return> in order to accept the

default buffer size value of 64:

Buffer size (k) :64

6 Press <Control><W> to get the CobraVT window displayed.

7 Move the cursor using the up or down arrow keys to N2, and

press <Return>.

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Meridian 555 Dokumentacja Strona 147