Asus DS300j G2 Series User Manual page 94

Advanced information for SAS physical drives includes:
• Read Cache – Enabled or disabled
• Read Cache Support – Yes or No
• Write Cache – Enabled or disabled
• Write Cache Support – Yes or No
• Enable Read Look Ahead Support – Yes or No
• Read Look Ahead Cache – Enabled or disabled
• Command Queuing – Enabled or disabled
• Command Queuing Support – Yes or No
• WWN – World Wide Name
• Port 1 Negotiated Physical Drive Speed
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To make global physical drive settings:
1. Click the Device tab.
2. Click the Physical Drive icon.
3. Click the Global Physical Drive Settings button.
4. Check the boxes to enable, uncheck to disable.
For SATA drives:
• Enable Write Cache
• Enable Read Look Ahead Cache
• Enable Command Queuing
For SAS drives:
• Enable Write Cache
• Enable Read Look Ahead Cache
• Enable Read Cache
5. Click the Save button.
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• Port 1 SAS Address
• Port 2 Negotiated Physical Drive Speed
• Port 2 SAS Address
• Drive Temperature in ºC
• Drive Reference Temperature in ºC
• Power Saving Level –
Enabled or disabled
• Medium Error Threshold
• SAS SATA Bridge Firmware Version
• SAS SATA Bridge Boot Loader Version
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To make individual physical drive settings:
1. Click the Device tab.
2. Click the Physical Drive icon.
3. Click the physical drive you want, then click the Settings button.
4. On the Settings tab:
• Enter , change, or delete the alias in the Alias field.
5. On the SMART Log Settings tab:
• Check the box to enable the SMART log.
6. Click the Save button.
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To view physical drive statistics:
1. Click the Device tab.
2. Click the Physical Drive icon.
3. Click the physical drive you want, then click the View button.
4. Click the Statistics tab.
Physical drive statistics include
• Data Transferred
• Read Data Transferred
• Write Data Transferred
• Errors - Number of errors
• Non Read/Write Errors
• Read Errors
• Write Errors
• I/O Request – Number of requests
• Non Read/Write Request –
Number of requests
• Read I/O Request – Number of requests
To clear physical drive statistics, see "Clearing Statistics" on page 55.
DS300f G2 Series User Manual
• Write I/O Request – Number of requests
• Statistics Start Time – Time and date
• Statistics Collection Time – Time and date
• Avg Response Time Ctrl 1 – Controller
1 average response time
• Avg Response Time Ctrl 2 – Controller
2 average response time
• Max Response Time Ctrl 1 – Controller
1 maximum response time
• Max Response Time Ctrl 2 – Controller
2 maximum response time