
Monitoring license use
To monitor license use, routinely check the License dialog box with the HP Command View SVSP GUI.
Monitoring capacity utilization
To monitor pool utilization, use the HP Command View SVSP GUI as described in the HP StorageWorks
Command View SVSP User Guide.
Monitoring event logs
Use the HP Command View SVSP GUI to view and configure event logs. See the HP StorageWorks
Command View SVSP User Guide.
Monitoring the SAN
Monitor all switches within the SAN for CRC errors, dropped frames, BB Credits exhaustion, and
other indicators of congestion using the performance monitoring tools that come with the switch. Make
adjustments to resolve any issues with congestion or faulty fabric components. Pay close attention to
fabric statistics for inter-switch links, since these are often the first areas where congestion will show
up. SAN visibility should be used to ensure that the actual fabric performance is what was intended.
NOTE:
If the two fabrics are from different vendors, two sets of switch-monitoring tools should be expected.
Switches frequently provide notification when a link reaches a saturation level. It may be helpful in
your environment to set up warnings as links reach saturation values.
Pool monitoring
There are global and individual mechanisms to ensure that operations are not curtailed because a
pool is running out of free capacity.
Global mechanisms
• Warning (10% free)
• Notification to event log every 5 minutes
• Delete oldest asynchronous mirror PiTs
• Keep most recent asynchronous mirror PiT
• Guard (5% free)
• Suspend asynchronous mirror tasks
• Delete most recent PiT
• Delete migration tasks
• Delete oldest PiT
Enterprise Virtual Array Cluster Administrator Guide 85
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