Novell LINUX ENTERPRISE SERVER 10 SP2 - STORAGE ADMINISTRATION GUIDE 05-15-2009 Administration Manual page 66

"Options" on page 66
"Return Values" on page 66
Syntax
mpath_prio_alua [-d directory] [-h] [-v] [-V] device [device...]
Prerequisite
SCSI devices
Options
-d directory
Specifying the Linux directory path where the listed device node names can be found. The
default directory is
device or devices you want to manage.
-h
Displays help for this command, then exits.
-v
Turns on verbose output to display status in human-readable format. Output includes
information about which port group the specified device is in and its current state.
-V
Displays the version number of this tool, then exits.
device
Specifies the SCSI device you want to manage. The device must be a SCSI device that supports
the Report Target Port Groups (
the device node name:
The full Linux directory path, such as
The device node name only, such as
The major and minor number of the device separated by a colon (:) with no spaces, such as
8:0
of
Return Values
On success, returns a value of 0 and the priority value for the group.
values returned by the
ALUA Priorities for Device Mapper Multipath
Table 5-6
Priority Value
50
10
66 SLES 10 SP2: Storage Administration Guide
. When used, specify the device node name only (such as
/dev
sg_rtpg(8)
. This creates a temporary device node in the
tmpdev-<major>:<minor>-<pid>
mpath_prio_alua
Description
The device is in the active, optimized group.
The device is in an active but non-optimized group.
) command. Use one of the following formats for
. Do not use with the -d option.
/dev/sda
. Specify the directory path using the -d option.
sda
directory with a name in the format
/dev
. For example,
/dev/tmpdev-8:0-<pid>
command.
) for the
sda
.
Table 5-6 shows the priority