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10.
Continue with the next procedure.
Steps for restoring virtual server disks
You should test the restoration procedure so you know what to expect in case you
have a system disaster. To test the restoration, use a test Linux virtual server with
disk sizes the same as your archived Linux disks. When you are satisfied with the
restoration procedure, you can remove the test Linux virtual server.
Before you begin: You need a test Linux virtual server. Follow the steps to clone a
virtual server in Chapter 8, "Cloning Linux virtual servers," on page 83. The test
Linux virtual server must be shut down and logged off. You need to log onto
MAINT.
114
z/VM: Getting Started with Linux on System z
4.
From the CMS command line, type the DDR command and press the Enter
key:
ddr
z/VM DASD DUMP/RESTORE PROGRAM
ENTER:
DDR prompts for control statements by issuing the ENTER: prompt.
5.
At the ENTER: prompt, type this command and press the Enter key:
sysprint cons
6.
Designate the disk from which DDR dumps the data. Type this command
and press the Enter key:
input vdev2 dasd
where vdev2 is MAINT's virtual device address (corresponding to the Linux
virtual server disk).
Example:
input 950 dasd
7.
Designate the tape to which the data is to be dumped. Type this command
and press the Enter key:
output 181 tape scratch
8.
Dump the disk to tape. Type this command and press the Enter key, then
respond to the prompts as shown:
dump all
HCPDDR711D VOLID READ IS LIN150
DO YOU WISH TO CONTINUE? RESPOND YES, NO OR REREAD:
yes
. .
.
DUMPING
LIN150
. .
.
ENTER:
9.
To exit DDR, press the Enter key.
Repeat these steps for each virtual server disk you want to archive.
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