Parameters; To Display I/O Information For Each Hba Port - Hitachi XP P9500 User Manual

Parameters

Note
If the number of paths to be displayed by the monitor operation is 500 or
more, the execution of the monitor operation might be delayed as
follows:
¢
¢
Table 6-21 Recommended values for the -intvl parameter when there
Number of paths
500
1000
2000
4000

To display I/O information for each HBA port

-hbaid HBA-port-ID
Specifies the HBA port ID of the HBA port for which I/O information is to
be displayed. The subsequent parameters specify the display interval and
count. The format for the subsequent parameters are as follows:
-intvl interval
6-64
The time displayed in StartTime might be later than the time the
monitor operation is actually executed.
When the number of paths is approximately 2000, the time delay will
be about seven seconds, and when it is 4000, 20 seconds.
If you specify a shorter time value than the recommended value listed
in Table 6-21 Recommended values for the -intvl parameter when
there are 500 or more paths on page 6-64
parameter, the time interval of the monitor operation might be
several seconds to 20 seconds late for the value specified in the -
intvl parameter.
If the number of paths is 500 or more, specify an appropriate value
for the -intvl parameter based on the values listed in
Recommended values for the -intvl parameter when there are 500
or more paths on page
operations is performed concurrently with the monitor operation,
even if you specify a value listed in the following table, the time
interval of the monitor operation might be a few seconds late.
- The view operation
- Path health checking
- Automatic failback
(approximate)
Command Reference
Hitachi Dynamic Link Manager User Guide (for Solaris(R))
6-64. However, when any of the following
are 500 or more paths
Recommended value specified for the -intvl
parameter (seconds)
3 or more
5 or more
10 or more
30 or more
for the -intvl
Table 6-21