Dynamic Root Disk A.3.13* Administrator's Guide HP-UX 11i v2, HP-UX 11i v3 (766142-001, March 2014)

ManualsBrandsHP ManualsSoftwareHP-UX Dynamic Root Disk

Contents

HP secure development lifecycle......................................................................5

1 About Dynamic Root Disk............................................................................6

Conceptual overview.................................................................................................................6

Terminology.............................................................................................................................6

Commands overview.................................................................................................................6

Downloading and installing Dynamic Root Disk ...........................................................................8

2 Cloning the active system image...................................................................9

The active system image............................................................................................................9

Locating disks..........................................................................................................................9

Locating disks on HP-UX 11i v2 systems...................................................................................9

Locating disks on HP-UX 11i v3 Integrity systems.....................................................................10

Choosing a target disk............................................................................................................11

Using other utilities to determine disk availability........................................................................12

Using DRD for limited disk availability checks.............................................................................12

Using drd clone to analyze disk size.........................................................................................13

Creating the clone..................................................................................................................13

Adding or removing a disk......................................................................................................16

3 Updating and maintaining software on the clone..........................................17

DRD-Safe commands and Packages..........................................................................................17

Updating and managing patches with drd runcmd......................................................................18

DRD-Safe patches and the drd_unsafe_patch_list file...............................................................18

Patches with special installation instructions...........................................................................19

Updating and managing products with drd runcmd ...................................................................19

Special considerations for firmware patches...............................................................................19

Restrictions on update-ux and sw* commands invoked by drd runcmd...........................................19

Viewing logs..........................................................................................................................20

4 Accessing the inactive system image...........................................................21

Mounting the inactive system image..........................................................................................21

Performing administrative tasks on the inactive system image........................................................22

Unmounting the inactive system image......................................................................................24

5 Synchronizing the inactive clone image with the booted system......................26

Overview..............................................................................................................................26

Quick start—basic synchronization............................................................................................26

The drd sync command...........................................................................................................27

Determining the list of files in the booted volume group...........................................................27

Trimming the list of files to be synchronized...........................................................................27

Copying the files to the inactive clone image.........................................................................29

Using the drd sync preview to determine divergence of the clone from the booted system.................29

drd sync system shutdown script................................................................................................29

6 Activating the inactive system image...........................................................31

Preparing the inactive system image to activate later...................................................................31

Undoing activation of the inactive system image.........................................................................33

7 Rehosting and unrehosting systems..............................................................36

Rehosting overview.................................................................................................................36

Rehosting examples................................................................................................................36

Rehosting a mirrored image.....................................................................................................37

Unrehosting overview..............................................................................................................38

Contents 3