Asus DS300j G2 Series User Manual page 135

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IewInG ncloSure oPoloGy
This feature displays the connection topology of the ASUS DS300f G2 subsystem. Topology refers to the manner
in which the data paths among the enclosures are connected. There are three methods:
• Individual Subsystem – A single subsystem
• JBOD Expansion – Managed through one subsystem or head unit
• RAID Subsystem Cascading – Managed through one subsystem or head unit
For more information about connections, see "Making Management and Data Connections" on page <?>.
To view enclosure topology:
1. From the Main Menu, highlight Subsystem Management and press Enter .
2. Highlight Enclosure Topology and press Enter .
The following information applies to the Head Unit:
• Enclosure number – 1
• Controller number – 1 or 2
• Port number
• Status – OK is normal. N/C is not connected
• Link Width
The following information applies to RAID cascaded units or JBOD expansion units:
• Connected EnclWWN – The subsystem identified by its World Wide Name (WWN)
• Connected (Encl,Ctrl,Port) – The subsystem's enclosure, controler,
and port numbers where the data connection was made
• If there is no connection, the value shows N/A.
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hysICal rIve anaGeMent
Physical Drive Management includes the following functions:
• "Viewing a List of Physical Drives (CLU)" on page 129
• "Making Global Physical Drive Settings (CLU)" on page 129
• "Viewing Physical Drive Information (CLU)" on page 130
• "Setting an Alias (CLU)" on page 130
• "Clearing Stale and PFA Conditions (CLU)" on page 130
• "Forcing a Physical Drive Offline (CLU)" on page 131
• "Locating a Physical Drive (CLU)" on page 131
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IewInG a ISt of hySIcal rIveS
To view a list of physical drives:
From the Main Menu, highlight Physical Drive Management and press Enter .
The list of physical drives displays.
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akInG lobal hySIcal rIve ettInGS
All physical drive settings are made globally, except for setting an alias, which applies to individual drives.
To make global physical drive settings:
1. From the Main Menu, highlight Physical Drive Management and press Enter .
2. Highlight Global Physical Drives Settings and press Enter .
3. Change the following settings as required.
For SATA drives:
• Highlight Write Cache and press the spacebar to toggle between Enabled and Disabled .
• Highlight Read Look Ahead Cache and press the spacebar to toggle between Enabled and Disabled .
• Highlight CmdQueuing and press the spacebar to toggle between Enabled and Disabled .
• Highlight MediumErrorThreshold and press the backspace key to
remove the current value, then type a new smaller value.
See the comments on the next page.
DS300f G2 Series User Manual
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