Title:
記憶デバイス制御装置の制御方法、記憶デバイス制御装置、及びプログラム
Document Type and Number:
Japanese Patent JP4704660
Kind Code:
B2
Abstract:
The invention provides a storage device controller (200) adapted to be connected to a plurality of storage devices (300) provided with a plurality of storage volumes for storing data, said storage device controller being connectable to an information processing apparatus (100) for sending write requests to the storage volumes, wherein the storage device controller (200) comprises means for forming pairs of storage volumes, each pair bringing one of the plurality of storage volumes into correspondence with another storage volume. The storage device controller (200) is adapted to start to split pairs of a set of paired volumes upon receiving a split command for the set of paired volumes, wherein the storage device controller (200) is adapted to execute a write request being received during splitting the pairs of the set of paired volumes and being addressed to a volume in the set of paired volumes, after a completion of splitting a pair related to the volume in the set of paired volumes.
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Inventors:
Susumu Suzuki
Kenya Nagaya
Takao Sato
Kenya Nagaya
Takao Sato
Application Number:
JP2002366374A
Publication Date:
June 15, 2011
Filing Date:
December 18, 2002
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
G06F3/06; G06F13/10; G06F11/14; G06F11/20; G06F12/00; G06F12/14; G06F12/16; G06F13/00; G06F13/28
Domestic Patent References:
JP484215A | ||||
JP2000137638A | ||||
JP2000347811A | ||||
JP2001318833A | ||||
JP20027304A | ||||
JP200241368A | ||||
JP2002189570A |
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office