Managing Systems and Workgroups: A Guide for HP-UX System Administrators
Administering a System: Managing Disks and Files
Managing Disks
Chapter 6 557
The “VERITAS Volume Manager and File System” neighborhood at HP’s
HP-UX documentation web site provides information on other versions of
VERITAS Volume Manager:
http://docs.hp.com/hpux/os/11i/index.html#VERITAS%20Volume%
20Manager%20and%20File%20System
For a book-length view of these topics, we recommend Disk and File
Management Tasks on HP-UX, published by Prentice Hall PTR, 1997.
You will notice some references to this book in the text that follows.
Current Disk Management Facts
• On HP-UX, disks are managed identically on servers and
workstations.
• On both servers and workstations, using logical volumes is
recommended as the preferred method for managing disks.
• Existing hard partitioned disks from servers and nonpartitioned
disks from workstations continue to be supported.
• You will not be able to use a partitioned disk for your root disk. You
will only be able to use a nonpartitioned disk, LVM, or VxVM disk for
this purpose.
• Although the use of logical volumes is encouraged, disks on both
servers and workstations can also be managed as nonpartitioned
disks, or with hard partitions for those disk models that support
hard partitions.
• Existing disks that are nonpartitioned or that have hard partitions
can be converted to use logical volumes.
• Both LVM disks and non-LVM disks can exist simultaneously on
your system, but a given disk must be managed entirely by either
LVM or non-LVM methods. That is, you cannot combine these
techniques for use with a single disk.
• You should note that although hard disk drives and disk arrays
support the use of logical volumes, floppy disks, optical disks, and
CD-ROMs do not.