Dynamic Root Disk (DRD) Overview

Updating from HP-UX 11i v3 0903 to HP-UX 11i v3 1103 (slide 3 of 3)

DRD use case

1. Original system image is active

2. Create a clone of the original system image

(drd clone)

3. When complete, two copies of system image

exist (drd status)

4. Update the inactive image to HP-UX 11i v3

March 2009 or later (1103 or March 2011 in

this case) (drd runcmd update-ux)

5. When modification completes, have an

original image with HP-UX 11i v3 0903,

and a modified clone with HP-UX 11i v3 1103

6. Use SWA to identify patches & fixes to security

issues (drd mount, swa report, drd umount)

7. Install required patches (swa get, drd runcmd

swinstall)

8. Boot the clone when ready (drd activate)

9. If original system preferred, boot the

unmodified original image to return to

original state (drd activate)

Active

Modified clone

SWA

Report

Patches

HP-UX 11i v3 1103

HP-UX 11i v3 0903