VTrak E-Class Product Manual - Promise Technology, Inc.

VTrak E-Class Product Manual
Locating a Disk Array
This feature helps you identify the physical drives assigned to the disk array you
are working with in the CLU.
To locate a disk array:
1. From the Main Menu, highlight Disk Array Management and press Enter.
2. Highlight the disk array you want and press Enter.
3. Highlight Locate Disk Array and press Enter.
The drive carrier LEDs pertaining to this disk array will blink for one minute.
Creating a Logical Drive
You can create logical drives on existing disk arrays if there is available space in
the array. For more information on the choices below, see “Chapter 7:
Technology Background” on page 231.
To create a logical drive from an existing disk array:
1. From the Main Menu, highlight Disk Array Management and press Enter.
2. Highlight the disk array in which you want to create a logical drive and press
Enter.
3. Highlight Create New Logical Drive and press Enter.
The Disk Array ID number and Maximum capacity available for the new
logical drive are displayed.
4. Highlight the following parameters and press the backspace key to erase the
current value:
• Alias - Type an alias into the field, if desired. Maximum of 32 characters.
Use letters, numbers, space between words and underscore.
• Capacity - Maximum capacity shown. Enter a smaller capacity if
desired.
5. Highlight the following parameters and press the spacebar to toggle though
the available choices:
• Stripe size – Press the spacebar to select: 64 KB, 128 KB, 256 KB,
512 KB, or 1 MB
• Sector size – Press the spacebar to select: 512 B; 1 KB, 2 KB, or 4 KB
• Write Policy – Press spacebar to select: Write Back or Write Through
• Read Policy – Press spacebar to select: No Cache, Read Cache, or
Read Ahead Cache
6. Highlight Preferred Controller ID and press the spacebar to toggle among 1,
2, or Automatic. Applies to dual-controller capable Fibre Channel models
only.
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