Fujitsu ETERNUS DX100 S4 Design Manual page 81

2. Basic Functions
Operation Management/Device Monitoring
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Volume Performance Information for the Advanced Copy Function
• 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)
• Read Cache Hit Rate (cache hit rate for read)
• Write Cache Hit Rate (cache hit rate for write)
Prefetch Cache Hit Rate (cache hit rate for prefetch)
•
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Controller Performance Information
• Busy Ratio (CPU usage)
CPU core usage
•
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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)
•
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RA Port Performance Information
• Send IOPS (the number of data transmission per second)
Receive IOPS (the number of times data is received per second)
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Send throughput (the amount of transferred data that is sent per second)
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• Receive throughput (the amount of transferred data that is received per second)
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Host-LU QoS Performance Information
Average IOPS (the average number of I/Os per second)
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Minimum IOPS (the minimum number of I/Os per second)
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• Maximum IOPS (the maximum number of I/Os per second)
• Average throughput (average MB/s value)
Minimum throughput (minimum MB/s value)
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Maximum throughput (maximum MB/s value)
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Total delay time (total delay time of commands by QoS control)
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• Average delay time (average delay time per command by QoS control)
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Drive Performance Information
Busy Ratio (drive usage)
•
Fujitsu Storage ETERNUS DX100 S4/DX200 S4, ETERNUS DX100 S3/DX200 S3 Hybrid Storage Systems Design Guide (Basic)
81
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