Using the Performance Manager GUI
4-27
Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide
This option is effective only for:
–
Statistics displayed in the
LDEV
,
Port-LUN
, and
WWN
tabs
–
Statistics displayed in the
Physical
tab with selecting
shortrange
for
the storing period
When viewing the
Physical
tab with
longrange
selected for the storing
period, the statistics collected every 15 minutes are displayed regardless of
the value of the
Gathering Interval
.
The
Monitoring Target
area in the
Monitoring Options
window contains the
following items:
•
PG Selection Support
If you click this button, all parity groups are listed in the
PG
list. If you
click this button when a large-sized configuration is being used, it may take
long time to gather the
PG
list.
•
PG
list:
Indicates the list of IDs of the parity groups that can be monitored. Each
cell displayed in the list is accompanied by an icon . Click
PG
on the
header to sort the parity groups by ID. If you click the cell for an individual
parity group, the CUs that belong to that parity group are displayed in the
CU
table on the right.
•
LDKC
list:
Indicates LDKC numbers. To select an LDKC as a monitoring target, click
the LDKC number. All the CUs that belong to that LDKC are displayed.
•
CU
table:
The
CU
table consists of cells representing CUs. Each row consists of 16
cells (CUs). A set of 16 rows represents CUs for one LDKC. The table
header row displays the last digit of each CU number in the form of +n (n
is an integer between 0 and 9, or a letter from A to F).
To select a CU, click a cell to invert its color. To restore the cell to its
original color, click the inverted cell. To select all the (16) CUs of the same
number in the second last digits, click the CU number (00 to F0). By
dragging the cursor over multiple cells, you can select all the cells from the
source to the destination.
For your information, one cell corresponds to one CU. The relation of the
display of a cell to the CU status is shown below: