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Adaptec SATA RAID Utility for Intel ICH-HR
tolerant array to which it is explicitly assigned.
degraded
A redundant (for example, a RAID 1) array in which one or more members have
failed. The data is intact but redundancy has been compromised. Any further
failure would cause the array to fail and result in data loss.
disk
Physical disk drive. Randomly accessible, re-writable data storage device. Also
called hard disk.
disk ID
Unique disk identifier that consists of the channel number, SATA ID. For
example, (channel:ID:LUN) 1:04:0. See also channel.
drive LED
Disk indicator LED that illuminates during read or write operations.
E
event
Notification or alert from the system, indicating that a change has occurred.
event log
File used to maintain information about prior controller activities or errors.
event notification
Process for transmitting events.
F
failed
State of a nonredundant array that has suffered a single drive failure, or a
redundant array that has suffered multiple drive failures. A failed array is inac-
cessible and data is lost.
fault-tolerant array
Refers to an array that can continue to function after a disk drive failure without
loss of data. Fault tolerant, or redundant arrays, include RAID 1 arrays. See also
Redundant.
foreign disk
Disk that has previously been initialized on another Adaptec RAID controller.
B-31
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