Storage system including a device, data management unit,...

Details Storage system including a device, data management unit,... Storage system including a device, data management unit,...

2008-05-27

2008-05-27

Kim, Hong (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Memory configuring

C711S170000, C711S172000, C711S173000, C711S156000

Reexamination Certificate

active

11167274

ABSTRACT:
The present invention relates to a method for allocating volumes having a suitable physical location relationship based on a method of use of files by applications.When an application management unit receives an application area expansion request, a distribution request table is created based on a preset distribution rule table and a file management table. The distribution rule table includes a flag indicating whether or not files stored on a logical disk for allocation, and existing files, may be stored on the same disk drive. A storage management unit selects, in consideration of the distribution request table, a logical disk having suitable physical attributes from unused logical disks satisfying basic conditions such as requested size and RAID configuration. The selected logical disk is allocated to the application.

REFERENCES:
patent: 6223300 (2001-04-01), Gotoh
patent: 6925462 (2005-08-01), Nishikawa et al.
patent: 7107427 (2006-09-01), Nakano et al.
patent: 7188201 (2007-03-01), Harima et al.
patent: 2003/0236884 (2003-12-01), Yamamoto et al.
patent: 2005/0033936 (2005-02-01), Nakano et al.
patent: 2001-142648 (2001-05-01), None

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