Hardware manual

Group Administration Group monitoring
15–27
Using the Performance Monitor
Use the Performance Monitor to show performance statistics for the drives or control modules in a member. The
Performance Monitor collects statistical data every second.
You can start the Performance Monitor from the T
ools menu, or from the Members panel in the Group Manager
GUI.
Starting Performance Monitor from the tools menu
1. Open the Tools menu and click Performance monitor. The Performance Monitor GUI starts.
2. Click
Add statistics.
3. In the
Select Statistics dialog box:
a. Expand
Members
b. Expand a specific member
c. Expand a component or statistics category
d. Select a statistic to display
e. Click
OK
The data is displayed in the Performance Monitor main window (Figure 15-1).
offline-max-grow-met A thin-provisioned volume and its
snapshots were automatically set offline
because a write exceeded the maximum
in-use space value.
Increase the value of the maximum in-
us
e space setting or increase the
volume’s reported size. See Modifying
the thin provisioning space settings on
page 10-4 or Increasing the reported size
of a volume o
n
page 10-5.
offline-missing-pages A volume or snapshot was set offline
be
cause some volume data cannot be
found. This is a serious condition.
Contact your PS Series support provider.
offline-nospace-auto-grow The thin-provisioned
volume and its
snaps
hots were set offline because there
was not enough free pool space for the
volume reserve to increase
automatically.
Increase pool free space. For example,
y
ou can add another member to the pool
or move volumes from the pool. See
Moving a member to a pool on
p
age 7-4
and Moving a volume to a pool on page
7-5.
offline-member-down Volume or snapshot was automatically
set offline because a
member that
contains volume or snapshot data is
unavailable.
Identify why the member is
unavailable
and correct the problem.
offline-lost-cached-blocks Volume or snapshot was automatically
set of
fline because blocks
were lost.
Computers cannot access the volume or
snapshot.
Click the status link and select how
to
manage the lost blocks. See Managing a
volume or snapshot with lost blocks on
p
age 10-17 for more information.
Table 15-24: Current Volume and Snapshot Status (Continued)
Status Description Solution