Appeal 2007-0426
Application 10/145,307
2. Dunphy further discloses maintaining a group of U unassigned
disk drives that can be powered up as needed and assigned to either a
redundancy group or to the pool of backup disk drives (Abstract).
3. Dunphy points to the benefits of using of an amorphous pool
containing a large number of switchably interconnectable disk drives as
flexible (col. 5, ll. 60-64).
4. Golasky provides for automatic data restoration (Abstract)
wherein an agent module automatically transfers data from a backup storage
device to a spare storage device in response to detecting a failure at a storage
device (col. 2, ll. 1-5).
5. Figure 1 of Golasky shows logical units 16 and 18 located on
storage device 14, which may be used in place of the other in case of failure
of one of the logical units (col. 3, ll. 26-37).
6. Storage device 14 of Golasky may be one or a collection of
hard disks, RAID devices, optical or magnetic medium or any other suitable
type of non-volatile storage (col. 4, ll. 28-31).
7. Storage device 14 may further be grouped into one or more
volumes or logical units and each be assigned a logical unit number (LUN)
address (Golasky, col. 4, ll. 31-37).
8. Specifically, the available physical storage of storage device 14
is mapped into a plurality of logical unit devices such as logical units 16 and
18, which may be accessed through one or more ports on storage device 14
and may provide virtual storage for the network (Golasky, col. 4, ll. 42-47).
9. Golasky further discloses that multiple storage devices at
distributed locations on the network may be available and/or multiple
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