
302 DS8800 Performance Monitoring and Tuning
Figure 7-56 Tivoli Storage Productivity Center array disk utilization
Recommend changes
We recommend that you add volumes on additional disks. For environments where host
striping is configured, you might need to re-create the host volumes to spread the I/O from an
existing workload across the new volumes.
Validate the problem resolution
Gather performance data to determine whether the issue is resolved.
Hardware connectivity example one
Infrequent connectivity issues occur as a result of broken or damaged components in the I/O
path. The following example illustrates the required steps to identify and resolv ...