September 2001
Intermediate to advanced
580 pages
12h 30m
English
book
Linux for IBM eServer zSeries and S/390: Distributions
by Michael MacIsaac, Ronald Annuss, Wolfgang Engel, Chris Gombola, Timothy Nunes, Mark Post, Don Stubbs, Egon Terwedow, Craig Vernon
Content preview from Linux for IBM eServer zSeries and S/390: Distributions
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464 Linux for IBM ^ zSeries and S/390: Distributions
23.1 Linux image backup and restore under VM
VM and z/VM provide a useful facility called DASD Dump Restore (DDR) which,
although having other capabilities, can also be used to back up a Linux guest. In
the following section, we examine this capability of DDR as it relates to disaster
recovery.
23.1.1 Backing up a Linux guest using DDR
A restorable image of an entire Linux for zSeries and S/390 system can be made
using DDR by following these basic steps:
1. Create a simple REXX script to run DDR.
2. Run your DDR script with the appropriate responses to back up your Linux
guest.
3. Run your DDR script with the appropriate responses to restore your Linux
guest.
Use of DDR requires read access to ...
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