Best practice procedure for staging a WWN change for SAN boot device for disaster recovery exercise
Issue
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How to manage SAN based boot device WWN(world wide number) for the Disaster recovery exercise when performing DR test.
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How to prepare booting from a SAN device from the recovery site with the least manual changes to configuration files
Note: WWN is also known as WWID
Environment
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- SAN storage Array
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