公开(公告)号：AU2003251066A1

公开(公告)日：2004-03-19

申请号：AU2003251066

申请日：2003-08-13

Applicant: IBM

Inventor： PEAKE JONATHAN WAYNE ,  GIBBLE KEVIN LEE ,  KISHI GREGORY TAD

IPC: G06F13/10 ,  G06F3/06 ,  G06F12/00 ,  G11B15/02

Abstract: Provided are a method, system, and program for managing data in storage units. Storage pool information indicates an assignment of a plurality of storage units to a plurality of storage pools, wherein each pool is assigned zero or more storage units, wherein data associated with one storage pool is stored in a storage unit assigned to the storage pool, wherein the storage pool information for each pool indicates a threshold and target storage pool, and wherein the target storage pool is capable of being different from the storage pool. One storage unit associated with a source storage pool is selected and a determination is made of the threshold from the storage pool information for the source storage pool. A determination is made of whether the selected storage unit satisfies the determined threshold and if the selected storage unit satisfies the determined threshold, then a target storage unit in the target storage pool is selected if the storage pool information for the source storage pool indicates a target storage pool different from the source storage pool. Data from the selected storage unit is copied to the selected target storage unit.

公开(公告)号：DE10055603A1

公开(公告)日：2001-06-21

申请号：DE10055603

申请日：2000-11-09

Applicant: IBM

Inventor： KISHI GREGORY TAD ,  REID MARK A

IPC: G06F11/20 ,  G06F17/30

Abstract: At least two directly assigned redundant copies stored in data memory libraries on the same high-speed access level are compared and a rest time status is provided to the data memory library. The database is accessed by the data memory library which provides the largest rest time status. The token assigned to the data base is directly read by at least two data memory libraries in response to a request. It is determined from the token if a plurality of the directly assigned redundant copies are provided on the same access level and if no copies of the data sets are provided on a faster access level. Independent claims are also included for the following: (a) an information step method; (b) the redundant copies of data sets; (c) a data memory library system; (d) the statement of the rest time status by the control component data memory library system; (e) a processor program; (f) an automatic data memory library; (g) and a determination of current rest time status by the library control unit automatic data memory library.