HP XP P9500 Storage - Manual (Page 34)

Selecting of monitoring objects
Select monitoring objects in Performance Objects: field. The combination of items is shown as
follows.
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
Total Back Trans. (count/sec) None Logical Device
Cache to Drive
Drive to Cache (Sequential)
Drive to Cache (Random)
Total Back Trans. (count/sec) None Parity Group
Cache to Drive
Drive to Cache (Sequential)
Drive to Cache (Random)
Total Back Trans. (count/sec) None LUN
Cache to Drive
Drive to Cache (Sequential)
Drive to Cache (Random)
Hard disk drive usage statistics
Function
The usage rates of the hard disk drive of each LDEV or parity group can be displayed.
Storing period
Short-Range can be specified.
Selecting of monitoring objects
Select monitoring objects in Performance Objects: field. The combination of items is shown as
follows.
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 Drive Usage Rate (%) None Logical Device*
None Drive Usage Rate (%) None Parity Group*
* Only information about internal volumes is displayed. Information about external volumes and
FICON DM volumes is not displayed.
Hard disk drive access rates
Function
The hard disk drive access rate shows the access rate of each hard disk drive (HDD).
The rate of the file reading Read (Sequential) or the file writing Write (Sequential) processing of
HDD in the sequential access mode is displayed.
34 Working with graphs