● Controller Performance Information
• Busy Ratio (CPU usage)
• CPU Core Usage
● CA Port Performance Information
• Read IOPS (the read count per second)
• Write IOPS (the write count per second)
• Read Throughput (the amount of transferred data that is read per second)
• Write Throughput (the amount of transferred data that is written per second)
● RA Port Performance Information
• Send IOPS (the number of times data is transferred per second)
• Receive IOPS (the number of times data is received per second)
• Send Throughput (the amount of transferred data that is sent per second)
• Receive Throughput (the amount of transferred data that is received per second)
● Host-LU QoS Performance Information
• Average IOPS (the average number of I/Os per second)
• Minimum IOPS (the minimum number of I/Os per second)
• Maximum IOPS (the maximum number of I/Os per second)
• Average Throughput (average MB/s value)
• Minimum Throughput (minimum MB/s value)
• Maximum Throughput (maximum MB/s value)
• Total Delay Time (total delay time of commands by QoS control)
• Average Delay Time (average delay time per command by QoS control)
● Drive Performance Information
• Busy Ratio (drive usage)
Caution
• When the ETERNUS DX is rebooted or a controller firmware is applied, the performance monitoring
process is stopped. To continue collecting performance data, start the performance monitoring
process.
• If performance monitoring is started from ETERNUS SF Storage Cruiser, ETERNUS Web GUI or
ETERNUS CLI cannot stop the process.
• If performance monitoring is started from ETERNUS Web GUI or ETERNUS CLI, the process can be
stopped from ETERNUS SF Storage Cruiser.
2. Basic Functions
Operation Management/Device Monitoring
99 Design Guide
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