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HP-UX System Management

Dynamic Root Disk (DRD)
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For system admininstrators: cloning for fast, safe maintenance

Dynamic Root Disk (DRD):
  • Can help you dramatically reduce the downtime required to perform system maintenance and updates.
  • Lets you create and modify an inactive system image (clone) without shutting down the system―the only downtime required is the rebooting process.
  • Provides an efficient recovery mechanism, and can be used to provision blades and virtual machines (VMs).
Download DRD from HP Software Depot »

What's new

HP-UX 11i DRD Revision 3.9

    DRD clone operation can now copy autofile, so that customizations are retained on the clone

How it works

Dynamic Root Disk (DRD) provides customers the ability to clone an HP-UX system image to an inactive disk, and then:
  • Automatically synchronize the active image and the clone―eliminating the need to manually update files on the clone
  • Perform system maintenance on the clone while their HP-UX 11i system is online
  • Quickly reboot during off-hours—after the desired changes have been made—significantly reducing system downtime
  • Utilize the clone for system recovery, if needed
  • Re-host the clone on another system for testing or provisioning purposes on the following:
    • Integrity Virtual Machines (Integrity VMs) running either HP-UX 11i v3 LVM or HP-UX 11i v2 LVM
    • Integrity server blades running HP-UX 11i v3 LVM
  • Perform an OE Update on the clone from an older version of HP-UX 11i v3 to HP-UX 11i v3 update 4 or later
At a Glance
  • Operating systems supported: HP-UX 11i v2 (11.23) September 2004 or later, HP-UX 11i v3 (11.31)
  • Root Volume Groups supported:
    • VxVM 4.1, VxVM 5.0
    • DRD A.3.5. and earlier: HP-UX 11i v2: LVM 1.0; HP-UX 11i v3: LVM 1.0
    • DRD A.3.6. and later: HP-UX 11i v2: LVM 1.0; HP-UX 11i v3: LVM 1.0 and LVM 2.2
  • Hardware supported: All HP PA-RISC and Itanium®-based servers and workstations that support HP-UX 11i v2 or HP-UX 11i v3: Hard partitions (nPars), Virtual partitions (vPars), Integrity Virtual Machines (Integrity VMs)

Learn more

Technical Information and white papers
  • DRD Administration Guide
  • DRD FAQ
  • DRD Release Notes including supported versions
  • DRD Overview Presentation
  • White paper: Dynamic Root Disk: Quick Start & Best Practices
  • White paper: Migrating an Integrity HP-UX 11i v3 Instance to New Hardware
  • Plus many other helpful white papers
Webcasts