Hitachi XP P9500 User Manual page 34

Table 2-5 Example of Using the Logical Device File Name of the Device
Before installing HDLM
After installing HDLM
The logical device file name of an HDLM device has the following format:
/dev/sddlm[aa-pap][1-15]
About alphabetic letters used in the logical device file name:
¢
¢
¢
Figure 2-6 About Alphabetic Letters Used in the Logical Device File Name on
page 2-13
device file name.
2-12
Used When the Application Accesses the LU
Host status
The application uses the logical device file name for the
SCSI device.
Example:
The application uses the logical device file name for the
HDLM device.
Example:
For the first 256 LUs, two alphabetic letters are assigned. The
specifiable values for the first two characters are in the range from a
to p.
For the 257th and subsequent LUs, three alphabetic letters are
assigned. The specifiable values for the first and third characters are
in the range from a to p. The value of the second character is always
a.
A major number is required for each of the first characters.
shows information about alphabetic letters used in the logical
HDLM Functions
Hitachi Dynamic Link Manager User Guide (for Linux(R))
Device file name that the application uses
sda
sdb
sddlmaa