HP Dynamic Root Disk (DRD) manual Table of Contents, About Dynamic Root Disk

Table of Contents
1 About Dynamic Root Disk		7
1.1 Conceptual overview		7
1.2	Terminology	7
1.3 Commands overview		7
1.4 Downloading and installing Dynamic Root Disk		8
2 Cloning the active system image		9
2.1 The active system image		9
2.2	Locating disks	9
2.2.1 Locating disks on HP-UX 11i v2 systems		9
2.2.2 Locating disks on HP-UX 11i v3 Integrity systems		10
2.3	Choosing a target disk	12
2.4	Using other utilities to determine disk availability	12
2.5	Using DRD for limited disk availability checks	12
2.6	Using drd clone to analyze disk size	13
2.7	Creating the clone	13
2.8	Adding or removing a disk	16
3 Updating and maintaining software on the clone		17
3.1 DRD-Safe commands and Packages		17
3.2	Updating and managing patches with drd runcmd	18
3.2.1 DRD-Safe patches and the drd_unsafe_patch_list file		18
3.2.2 Patches with special installation instructions		19
3.3	Updating and managing products with drd runcmd	19
3.4	Special considerations for firmware patches	19
3.5 Restrictions on update-uxand sw* commands invoked by drd runcmd		19
3.6	Viewing logs	20
4 Accessing the inactive system image		21
4.1 Mounting the inactive system image		21
4.2 Performing administrative tasks on the inactive system image		22
4.3 Unmounting the inactive system image		24
5 Synchronizing the inactive clone image with the booted system		27
5.1 Overview		27
5.2 Quick start—basic synchronization		27
5.3	The drd sync command	28
5.3.1 Determining the list of files in the booted volume group		28
5.3.2 Trimming the list of files to be synchronized		28
5.3.3 Copying the files to the inactive clone image		30
5.4	Using the drd sync preview to determine divergence of the clone from the booted system	30
5.5 drd sync system shutdown script		31
6 Activating the inactive system image		33
6.1 Preparing the inactive system image to activate later		33
6.2 Undoing activation of the inactive system image		35

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