HP StorageWorks Enterprise File Services WAN Accelerator Manual de usuario Pagina 150

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150 CREATING HP EFS WAN ACCELERATOR REPORTS AND LOGS
2. Use the controls to customize the report, as described in the following table.
Creating Data
Store Hits
Reports
The Performance - Data Store Hits report summarizes how many times the HP EFS
WAN Accelerator data-store disk and memory have seen a data segment. A hit is a data
segment that has been seen before by the data store in the HP EFS WAN Accelerator.
If a hit has occurred, the HP EFS WAN Accelerator sends the reference to the data
segment rather than the actual data over the WAN.
The Performance - Data Store Hits report contains the following table of statistics that
summarize data store activity.
What This Report
Tells You
The Performance - Data Store Hit Rate report answers the following questions:
How much optimization is occurring?
Control Description
Period Select Last Minute, Last 5 Minutes, Last Hour, Last Day, Last Week, Last Month,
or Custom Interval from the drop-down list.
Application Select FTP, HTTP, CIFS:NetBIOS, CIFS:TCP, or MAPI from the drop-down list. The
default value is All.
Traffic Select Bi-directional, WAN-to-LAN, or LAN-to-WAN from the drop-down list.
Appliances The default is to include all appliances. To set a custom group, click All and use the
dialog box to select an HP EFS WAN Accelerator, a group, or a custom selection of HP
EFS WAN Accelerators to include in the report.
Resolution Select High, Medium, or Low from the Resolution drop-down list. High (small bars)
allows you to drill down to specific points in time, while Low (large bars) enables you to
count or compare aggregate values in the time interval.
Refresh Set a rate to refresh the report display:
To refresh your report every 15 seconds, click 15s.
To refresh your report every 30 seconds, click 30s.
To turn off refresh, click off.
NOTE: The refresh rate does not affect polling. Polling occurs every 5 minutes.
Printer icon To print your report, click the Printer icon in the upper right corner of the page.
Field Description
Total Hits over Last Week Specifies the total number of hits against the data store. A hit
is a data segment that has been seen before by the data store
in the HP EFS WAN Accelerator. If a hit has occurred, the
HP EFS WAN Accelerator sends the reference to the data
rather than the actual data over the WAN.
Misses Specifies the number of misses that occurred. A miss is an
unmatched data segment—the data store has not seen the
data segment before and must send all the data across the
WAN. The data is Lempel-Ziv (LZ) compressed if LZ
compression is enabled. For detailed information about
setting optimization policies, see “Setting In-Path Rules” on
page 25.
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