Performance Information Management - Fujitsu ETERNUS AF S3 Series Design Manual

2. Basic Functions
Operation Management/Device Monitoring

Performance Information Management

The ETERNUS AF supports a function that collects and displays the performance data of the ETERNUS AF via
ETERNUS Web GUI or ETERNUS CLI. The collected performance information shows the operation status and load
status of the ETERNUS AF and can be used to optimize the system configuration.
ETERNUS SF Storage Cruiser can be used to easily understand the operation status and load status of the
ETERNUS AF by graphically displaying the collected information on the GUI. ETERNUS SF Storage Cruiser can also
monitor the performance threshold and retain performance information for the duration that a user specifies.
When performance monitoring is operated from ETERNUS SF Storage Cruiser, ETERNUS Web GUI, or ETERNUS CLI,
performance information in each type is obtained during specified intervals (30 - 300 seconds) in the ETERNUS
AF.
The performance information can be stored and exported in the text file format, as well as displayed, from
ETERNUS Web GUI. The performance information, which can be obtained, is indicated as follows.
●
Volume Performance Information for Host I/O
• 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 Response Time (the average response time per host I/O during a read)
•
• Write Response Time (the average response time per host I/O during a write)
• Read Process Time (the average process time in the ETERNUS AF per host I/O during a read)
Write Process Time (the average process time in the ETERNUS AF per host I/O during a write)
•
• 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)
•
●
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)
●
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)
•
84 Design Guide