SCSI Persistent Reservation Utilities Release Notes, May 2012

Supported HP-UX Version
sg3_utils is supported on the following HP-UX 11i v3 platforms:
• March 2012 OE Update Release or later (The package is bundled and installed along with
the OE)
• September 2011 (The package is available for download at: http://software.hp.com)
Limitations
• sg3_utils is not supported on HP Integrity Virtual Machine guests with non-iSCSI devices.
• sg3_utils is not supported on PA–RISC systems.
• The sg_persist command uses the "SIOC_IO_EXT" SCSI pass through mechanism. HP-UX
port does not support ATA and SATA.
Device Naming
SCSI device names in HP-UX are in the following format:
Table 2 SCSI Device Names in HP-UX
Device nameDirectory
c5t4d3
where,
/dev/dsk
- the number following "c" is the controller (HBA) number,
- the number following "t" is the target number (from the SCSI parallel interface days), and
- the number following "d" is the LUN.
disk10 (This is an agile disk name)/dev/disk
cdisk10 (This is a cDSF device name. For more information, see the “About Cluster-wide
Device Special Files (cDSFs)” section in the Managing Serviceguard manual.)
/dev/cdisk
So, a SCSI disk in HP-UX can be referenced as: c5t4d3, disk10, or cdisk10.
These device names are duplicated in the /dev/rdsk, /dev/rdisk, and /dev/rcdisk
directories for respective disk formats. These indicate raw (or character) device names, whereas
the ones in Table 2 indicate block device names.
The available SCSI devices in HP-UX can be listed using the ioscan command. Refer to the man
page for further details.
Installation Instructions
If you are running HP-UX 11i v3 March 2012 version, the sg3_utils package is installed when
you install the operating system.
If you are running HP-UX 11i v3 September 2011 version, you can download and install the latest
HP-UX port of sg3_utils package from the software depot at:
http://software.hp.com
If you have the sg3_utils package installed and wish to make changes to the source code and
build the binaries and install you can do so as follows:
1. Log in as root user.
2. Unzip the source code:
gunzip /opt/sg3utils/sg3_utils_src.tar.gz
3. cd to the /opt/sg3utils directory and run:
tar -xvf sg3_utils_src.tar
Supported HP-UX Version 5