Disconnected time, Connected time, Htp port open exchanges – HP XP7 Storage User Manual
Page 36: Function, Storing period, Selection of monitoring objects

Disconnected time
Function
When I/O access is made from the storage system to the monitoring object port, Disconnected
time shows the time (in milliseconds) during which processing is interrupted because of I/O
processing to the data drives.
Storing period
Short-Range can be specified.
Selection of monitoring objects
Select the desired monitoring objects in the Performance Objects field.
Item on right side of Monitor
Data field
Item on left side of Monitor
Data field
Item on right side of Object
field
Item on left side of Object
field
None
Disconnected Time (ms)
None
Mainframe Fibre Port*
* Volumes that do not accept I/O from the host, such as pool-VOLs, are not monitored.
Connected time
Function
Connected time shows the time (in milliseconds) obtained by subtracting the CMR delay time and
the disconnected time from the response time.
Storing period
Short-Range can be specified.
Selection of monitoring objects
Select the desired monitoring objects in the Performance Objects field.
Item on right side of Monitor
Data field
Item on left side of Monitor
Data field
Item on right side of Object
field
Item on left side of Object
field
None
Connected Time (ms)
None
Mainframe Fibre Port*
* Volumes that do not accept I/O from the host, such as pool-VOLs, are not monitored.
HTP port open exchanges
Function
HTP port open exchanges shows the number of open exchanges for the monitoring object port.
The number of open exchanges is the average number of active I/O accesses at the monitoring
object port.
Storing period
Short-Range can be specified.
36
Performance Monitor data