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Glossary
snapshot
Instantaneous read-only copy of an array at a precise point in time.
spanned volume
Concatenation of segments on two or more drives.
spare
See hot spare.
stripe
Contiguous set of data distributed across all the disks in an array.
A stripe set distributes, or stripes, data evenly across its respective
disks in equal sized sections called stripes.
stripe size
In striped array types, (RAID 0, RAID 5, RAID 10, RAID 50) data is
distributed, or striped, across the member disks in equally-sized
sections. The amount of data in each section on a disk is the stripe
size.
stripe set
See RAID 0.
stripe set of mirror sets
See RAID 10.
stripe set of RAID 5
See RAID 50.
T
task
An operation that occurs only on the RAID controller,
asynchronous to all other operations; for example, initializing a
disk or verifying an array. Some tasks can take an extended period
of time, particularly if the RAID controller is also performing
intensive data I/O while the task is running.
UG.book Page 13 Saturday, October 26, 2002 12:08 PM