HP XP Racks - Manual (Page 78)

#3
This is the amount of unused capacity required to use the installhdlm
utility. For details on this utility, see installhdlm Utility for Installing HDLM
on page 7-32 .
Number of LUs and Paths That Are Supported in HDLM
The following table lists the number of LUs and paths that are supported by
HDLM.
Table 3-6 Number of LUs and Paths That Are Supported by HDLM
Item Supported number
Number of LUs 1 to 4,096 #1
Number of paths available to connect to an LU 1 to 64 #2
Number of paths for a boot disk 1 to 4
Total number of paths 1 to 8,192
#1
For details on the maximum number of LUs that can be recognized by a
CHA port, see the specifications of the storage system that you use.
#2
If the reservation policy is PR_exclusive, and the Thunder 9500V series,
Hitachi AMS2000/AMS/WMS/SMS series, or HUS100 series, is used, the
number of supported paths to an LU is 1 to 32.
If the reservation policy is PR_exclusive or PR_shared, and a storage
system other than the Thunder 9500V series, Hitachi
AMS2000/AMS/WMS/SMS series, or HUS100 series is used, the maximum
number of supported paths to an LU is limited. For details, contact the
storage system vendor.
For details on reservation policy, see
About the Reservation Policy on
page 3-94 .
Flow for Creating an HDLM Environment
Set up the environment to use HDLM as follows.
3-12
Creating an HDLM Environment
Hitachi Dynamic Link Manager (for AIX) User Guide