Promise Technology VTrak 15110 - Manual (Page 139)

Chapter 4: Management with WebPAM PRO
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• Critical – This condition arises as the result of a physical drive failure. A
Critical logical drive will still function and your data is still available.
However, the logical drive has lost redundancy (fault tolerance). You
must determine the cause of the problem and correct it.
• Offline – This condition arises as the result of a second physical drive
failure. An Offline logical drive is not accessable but some or all of your
data may remain intact. You must determine the cause of the problem
and correct it.
To see more information about a specific logical drive, click on its number in the
Device ID list.
Logical Drive
The Logical Drive–Information tab gives a description and reports the status of
the selected logical drive. A logical drive is a portion of a disk array. The PC's
operating system recognizes the logical drive as if it were a single phyical drive.
You can write data to and read data from a logical drive in the VTrak enclosure as
if it were a physical drive inside the PC.
To see the logical drives under a disk array:
1. Click on the Subsystem icon in Tree View.
2. Click on the VTrak icon.
3. Click on the Disk Arrays icon.
4. Click on the Disk Array icon.
5. Click on the Logical Drives icon.
6. Click on a Logical Drive icon.
From this tab, you can access the Settings tab to set an alias or the LUN Settings
tab to specify a SCSI TID and LUN for this logical drive.
Enclosure Front View
The Enclosure Front View shows the enclosure location of the logical drives that
belong to this disk array.
Logical Drive Information
• Logical Drive ID – The ID number assigned by WebPAM PRO for this
logical drive.
• Alias – A user-specified name for the logical drive.
• RAID Level – The RAID of the logical drive. If the logical drive was created
at the same time as its disk array, it will have the same RAID level