Promise Technology 2-Year Extended Warranty for VessR2000 RAID Head - Manual (Page 660)

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Product Manual Troubleshooting
• Degraded with a yellow ! icon when ONE physical drive is offline.
• Critical with a yellow ! icon when TWO physical drives are offline.
RAID 0 logical drives show Offline status and a red X icon.
If there is no spare drive or unconfigured drive in the RAID system, you must provide the replacement drive.
See “Installing Your Drives” on page 36.
• Administration tab
Depending on your settings and availability of a replacement drive, your system automatically rebuilds the
degraded disk array. See “Rebuilding a Disk Array” on page 635 .
The system sends an Email message about the incident to subscribing users, depending on user settings. See
“Setting User Event Subscriptions” on page 140.
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Disk arrays are made up of physical drives. Logical drives are created on the disk array. When a disk array and
its logical drives go Offline, the data stored in the logical drives is no longer accessible.
RAID 0 logical drives go Offline when ONE physical drive is removed or fails.
RAID 1, 1E, 5, 10, and 50 logical drives go Offline when TWO physical drives are removed or fail.
RAID 6 and 60 logical drives go Offline when THREE physical drives are re-moved or fail.
WebPAM PROe reports these conditions in the following places:
• Dashboard tab
A red X icon appears beside the disk arrays, logical drives, and physical drives under System Status .
Major event for the logical drive under Event Information
Warning event for the physical drive under Event Information .
• Device tab
On Front View and Physical Drive View, physical drives are shown Dead, Offline, or Missing.
• Storage tab
Disk array and logical drives are marked with a red X icon.
• Administration tab
Under Background Activities , no Rebuild takes place. See “Repairing an Offline Disk Array or Logical Drive”,