Hitachi Dynamic Link Manager Software Users Guide for VMWare

Parameter and
program
information to
be displayed
Item Description
The parentheses following the setting
status shows the checking interval for
reviewing information about the switching
of controllers performed by the storage
system. "Minute" is used as the unit.
If different settings have been specified for
each storage system or LU, * is added
after the parentheses in which the
checking interval is displayed.
-
expathusetimes
The number of
times the same
path can be
used for
extended load
balancing
Times Same
ExPath Was
Used
The number of times the same path can be
used for sequential I/O operations when the
extended Round Robin (exrr), Least I/Os
(exlio), or Least Blocks (exlbk) algorithm is
used for load balancing.
-satp
Information
about SATP
SATP
Displays HTI_SATP_HDLM.
Default PSP
The default PSP of HTI_SATP_HDLM.
• HTI_PSP_HDLM_EXRR: The Extended Round
Robin algorithm
• HTI_PSP_HDLM_EXLIO: The Extended Least
I/Os algorithm
• HTI_PSP_HDLM_EXLBK: The Extended Least
Blocks algorithm
• VMW_PSP_MRU: The Most Recently Used
algorithm (VMware)
• VMW_PSP_RR: The Round Robin algorithm
-rule
SATP claim rules
Vendor
The storage system vendor ID in the SATP
claim rule registered in HTI_SATP_HDLM.
Model
The storage system model ID in the SATP claim
rule registered in HTI_SATP_HDLM.
Examples
Example 1
The following example displays configuration information for HDLM
functions on a host:
PROMPT>dlnkmgr view -sys -sfunc
HDLM Version : x.x.x-xx
Service Pack Version :
Load Balance : on(extended lio)
Intermittent Error Monitor : off
Dynamic I/O Path Control : off(10)
Command Reference
6-29
Hitachi Dynamic Link Manager (for VMware®) User Guide