AIX 5L Problem Determination - IBM Redbooks

4.4.1 The chdev command
The chdev command changes the characteristics of a device. The command has
the following syntax:
chdev -l Name [ -a Attribute=Value ... ]
The commonly used flags are provided in Table 4-4.
Table 4-4 Commonly used flags of the chdev command
Flag Description
-l Name Specifies the device logical name, specified by the name
parameter, in the Customized Devices object class whose
characteristics are to be changed
-a Attribute=Value Specifies the device attribute value pairs used for changing
specific attribute values
4.4.2 The lsattr command
The lsattr command displays attribute characteristics and possible values of
attributes for devices in the system. The command has the following syntax:
lsattr -E -l Name [ -a Attribute ] ...
The commonly used flags are provided in Table 4-5.
Table 4-5 Commonly used flags of the lsattr command
Flag Description
-E Displays the attribute names, current values, descriptions, and
user-settable flag values for a specific device
-l Name Specifies the device logical name in the Customized Devices
object class whose attribute names or values are to be displayed
-a Attribute Displays information for the specified attributes of a specific
device or kind of device
Chapter 4. Hardware problem determination 61