JP2007048323A5 - - Google Patents
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- JP2007048323A5 JP2007048323A5 JP2006305731A JP2006305731A JP2007048323A5 JP 2007048323 A5 JP2007048323 A5 JP 2007048323A5 JP 2006305731 A JP2006305731 A JP 2006305731A JP 2006305731 A JP2006305731 A JP 2006305731A JP 2007048323 A5 JP2007048323 A5 JP 2007048323A5
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前記複数の記憶装置に接続される複数の第１のポートと、A plurality of first ports connected to the plurality of storage devices;
前記ホストコンピュータに接続される少なくとも１つの第２のポートと、At least one second port connected to the host computer;
前記仮想化制御装置が有する仮想記憶領域と前記複数の記憶装置に含まれる第１の記憶装置が有する第１の論理記憶領域とが対応付けられる第１のマッピング情報に基づいて、前記仮想記憶領域に宛てて前記ホストコンピュータから送信されるデータを、前記第１の論理記憶領域に宛てて送信するように制御する第１の制御回路と、を有し、The virtual storage area based on first mapping information in which a virtual storage area of the virtualization control device and a first logical storage area of a first storage device included in the plurality of storage devices are associated with each other A first control circuit that controls to transmit data transmitted from the host computer to the first logical storage area,
前記仮想化制御装置は、The virtualization control device
前記第１の論理記憶領域に格納されたデータを、前記複数の記憶装置に含まれる第２の記憶装置が有する第２の論理記憶領域へ移行するように制御し、Controlling the data stored in the first logical storage area to migrate to a second logical storage area of a second storage device included in the plurality of storage devices;
前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行中に、前記仮想記憶領域に宛てて前記ホストコンピュータから送信されるデータを受信し、Receiving data transmitted from the host computer to the virtual storage area during data migration from the first logical storage area to the second logical storage area;
前記第１のマッピング情報を、前記仮想記憶領域と前記第２の論理記憶領域とが対応付けられる第２のマッピング情報に更新し、Updating the first mapping information to second mapping information in which the virtual storage area and the second logical storage area are associated with each other;
前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行後に、前記仮想記憶領域に宛てて前記ホストコンピュータからデータを受信する場合には、前記第２のマッピング情報に基づいて、前記データ移行後に受信されるデータを、前記第２の論理記憶領域に宛てて送信するものであり、When data is received from the host computer destined for the virtual storage area after data is transferred from the first logical storage area to the second logical storage area, the data is transferred based on the second mapping information. , Data received after the data migration is sent to the second logical storage area,
前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行中に受信される前記データは、前記第２の論理記憶領域に格納されるものである、The data received during data migration from the first logical storage area to the second logical storage area is stored in the second logical storage area;
ことを特徴とする仮想化制御装置。A virtualization control apparatus characterized by that.
前記複数の記憶装置に接続される複数の第１のポートと、A plurality of first ports connected to the plurality of storage devices;
前記ホストコンピュータに接続される少なくとも１つの第２のポートと、At least one second port connected to the host computer;
前記仮想化制御装置が有する仮想記憶領域を識別するために用いられる第１の記憶領域識別情報と、前記複数の記憶装置に含まれる第１の記憶装置が有する第１の論理記憶領域を識別するために用いられる第２の記憶領域識別情報と、の対応関係を示す第１のマッピング情報に基づいて、前記ホストコンピュータから受信するデータの宛先に関する前記第１の記憶領域識別情報を前記第２の記憶領域識別情報に変換した後に、前記変換によって前記第２の記憶領域識別情報に関連付けられたデータを前記第１の記憶装置に送信するように制御する第１の制御回路と、を有し、First storage area identification information used for identifying a virtual storage area included in the virtualization control device and a first logical storage area included in a first storage device included in the plurality of storage devices The first storage area identification information related to the destination of the data received from the host computer is based on the first mapping information indicating the correspondence relationship with the second storage area identification information used for the second storage area identification information. A first control circuit that controls to transmit the data associated with the second storage area identification information by the conversion to the first storage device after the conversion to the storage area identification information;
前記仮想化制御装置は、The virtualization control device
前記第１の論理記憶領域に格納されたデータを、前記複数の記憶装置に含まれる第２の記憶装置が有する第２の論理記憶領域へ移行するように制御し、Controlling the data stored in the first logical storage area to migrate to a second logical storage area of a second storage device included in the plurality of storage devices;
前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行中に、前記第１の記憶領域識別情報に関連するデータを前記ホストコンピュータから受信し、Receiving data related to the first storage area identification information from the host computer during data migration from the first logical storage area to the second logical storage area;
前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行に対応して、前記第１のマッピング情報を、前記第１の記憶領域識別情報と前記第２の論理記憶領域を識別するために用いられる第３の記憶領域識別情報との対応関係を示す第２の前記マッピング情報に更新し、Corresponding to the migration of data from the first logical storage area to the second logical storage area, the first mapping information, the first storage area identification information and the second logical storage area Update to the second mapping information indicating the correspondence with the third storage area identification information used for identification;
前記第１のマッピング情報を前記第２のマッピング情報を更新した後に、前記第１の記憶領域識別情報に関連するデータを前記ホストコンピュータから受信した場合は、前記第２のマッピング情報に基づいて、前記更新後に受信した前記データの宛先に関する前記第１の記憶領域識別情報を前記第３の記憶領域識別情報に変換した後に、前記変換によって前記第３の記憶領域識別情報に関連付けられたデータを前記第２の記憶装置に送信するものであり、When data related to the first storage area identification information is received from the host computer after updating the second mapping information to the first mapping information, based on the second mapping information, After converting the first storage area identification information related to the destination of the data received after the update into the third storage area identification information, the data associated with the third storage area identification information by the conversion To the second storage device,
前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行中に受信される前記データは、前記第２の論理記憶領域に格納されるものであるThe data received during data transfer from the first logical storage area to the second logical storage area is stored in the second logical storage area
ことを特徴とする仮想化制御装置。A virtualization control apparatus characterized by that.
前記第２のマッピング情報への更新は、前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行が完了した場合に実行されるものである、The update to the second mapping information is executed when data migration from the first logical storage area to the second logical storage area is completed.
ことを特徴とする仮想化制御装置。A virtualization control apparatus characterized by that.
前記第１の論理記憶領域の識別には、前記第１の記憶装置のポート識別情報及び前記第１の論理記憶領域を識別するロジカルユニットナンバー（LUN）が用いられる、For identifying the first logical storage area, port identification information of the first storage device and a logical unit number (LUN) for identifying the first logical storage area are used.
ことを特徴とする仮想化制御装置。A virtualization control apparatus characterized by that.
前記仮想化制御装置が有する他の仮想記憶領域と前記複数の記憶装置に含まれる第３の記憶装置が有する第３の論理記憶領域とが対応付けられる第３の前記マッピング情報に基づいて、前記仮想記憶領域に宛てて前記ホストコンピュータから受信されるデータを前記第３の記憶装置に送信するように制御する第２の制御回路と、を有するBased on the third mapping information in which another virtual storage area included in the virtualization control device and a third logical storage area included in a third storage device included in the plurality of storage devices are associated with each other. And a second control circuit that controls to transmit data received from the host computer to the virtual storage area to the third storage device.
ことを特徴とする仮想化制御装置。A virtualization control apparatus characterized by that.
前記仮想化制御装置が有する他の仮想記憶領域と対応付けられる前記複数の記憶装置内の第３の論理記憶領域に格納されたデータを前記複数の記憶装置内の第４の論理記憶領域に移行するように制御する第３の制御回路と、を有し、Data stored in a third logical storage area in the plurality of storage devices associated with another virtual storage area of the virtualization control device is transferred to a fourth logical storage area in the plurality of storage devices And a third control circuit that controls to
前記第３の論理記憶領域から前記第４の論理記憶領域へのデータの移行に応じて、前記他の仮想記憶領域と前記第４の論理記憶領域とが対応付けられる第４の前記マッピング情報が生成される、The fourth mapping information in which the other virtual storage area and the fourth logical storage area are associated with each other in accordance with the data transfer from the third logical storage area to the fourth logical storage area. Generated,
ことを特徴とする仮想化制御装置。A virtualization control apparatus characterized by that.
前記仮想記憶領域の識別には、前記仮想記憶領域のロジカルユニットナンバー（LUN）及び前記仮想化制御装置の仮想ポート識別情報が用いられる、For identification of the virtual storage area, a logical unit number (LUN) of the virtual storage area and virtual port identification information of the virtualization control device are used.
ことを特徴とする仮想化制御装置。A virtualization control apparatus characterized by that.
前記仮想化制御装置は、スイッチ装置である、The virtualization control device is a switch device;
ことを特徴とする仮想化制御装置。A virtualization control apparatus characterized by that.
前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行中に受信される前記データは、前記第１の論理記憶領域にも格納されるものである、The data received during the data migration from the first logical storage area to the second logical storage area is also stored in the first logical storage area.
ことを特徴とする仮想化制御装置。A virtualization control apparatus characterized by that.
前記仮想化制御装置が有する仮想記憶領域と前記複数の記憶装置に含まれる第１の記憶装置が有する第１の論理記憶領域とが対応付けられる第１のマッピング情報に基づいて、前記仮想記憶領域に宛てて前記ホストコンピュータから送信されるデータを、前記第１の論理記憶領域に宛てて送信するステップと、The virtual storage area based on first mapping information in which a virtual storage area of the virtualization control device and a first logical storage area of a first storage device included in the plurality of storage devices are associated with each other Transmitting data transmitted from the host computer to the first logical storage area; and
前記第１の論理記憶領域に格納されたデータを、前記複数の記憶装置に含まれる第２の記憶装置が有する第２の論理記憶領域へ移行するステップと、Migrating data stored in the first logical storage area to a second logical storage area of a second storage device included in the plurality of storage devices;
前記第1の論理記憶領域から前記第2の論理記憶領域へのデータの移行中に、前記仮想記憶領域に宛てて前記ホストコンピュータから送信されるデータを受信するステップと、Receiving data transmitted from the host computer addressed to the virtual storage area during data migration from the first logical storage area to the second logical storage area;
前記仮想記憶領域と前記第２の論理記憶領域との第２のマッピング情報を生成するステップと、Generating second mapping information between the virtual storage area and the second logical storage area;
前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行後に、前記仮想記憶領域に宛てて前記ホストコンピュータからデータを受信する場合には、前記第２のマッピング情報に基づいて、前記データ移行後に受信されるデータを、前記第２の論理記憶領域に宛てて送信するステップと、を有し、When data is received from the host computer destined for the virtual storage area after data is transferred from the first logical storage area to the second logical storage area, the data is transferred based on the second mapping information. Sending the data received after the data migration to the second logical storage area,
前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行中に受信される前記データは、前記第２の論理記憶領域に格納されるものである、The data received during data migration from the first logical storage area to the second logical storage area is stored in the second logical storage area;
こと特徴とするデータ移行制御方法。A data migration control method characterized by that.
前記仮想化制御装置が有する仮想記憶領域を識別するために用いられる第１の記憶領域識別情報と、前記複数の記憶装置に含まれる第１の記憶装置が有する第１の論理記憶領域を識別するために用いられる第２の記憶領域識別情報と、の対応関係を示す第１のマッピング情報に基づいて、前記ホストコンピュータから受信するデータの宛先に関する前記第１の記憶領域識別情報を前記第２の記憶領域識別情報に変換して、前記変換によって前記第２の記憶領域識別情報に関連付けられたデータを、前記第１の論理記憶領域に送信するステップと、First storage area identification information used for identifying a virtual storage area included in the virtualization control device and a first logical storage area included in a first storage device included in the plurality of storage devices The first storage area identification information related to the destination of the data received from the host computer is based on the first mapping information indicating the correspondence relationship with the second storage area identification information used for the second storage area identification information. Converting to storage area identification information, and transmitting the data associated with the second storage area identification information by the conversion to the first logical storage area;
前記第１の論理記憶領域に格納されているデータを、前記複数の記憶装置に含まれる第２の記憶装置が有する第２の論理記憶領域に移行するステップと、Migrating data stored in the first logical storage area to a second logical storage area of a second storage device included in the plurality of storage devices;
前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行中に、前記ホストコンピュータから送信される前記第１の記憶領域識別情報に関連付けられたデータを受信するステップと、Receiving data associated with the first storage area identification information transmitted from the host computer during data migration from the first logical storage area to the second logical storage area;
前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行に応じて、前記第1のマッピング情報を、前記第１の記憶領域識別情報と前記第２の論理記憶領域を識別するために用いられる第３の記憶領域識別情報との対応関係を示す第２のマッピング情報へ更新するステップと、In accordance with the data transfer from the first logical storage area to the second logical storage area, the first mapping information, the first storage area identification information, and the second logical storage area are identified. Updating to the second mapping information indicating the correspondence with the third storage area identification information used to
前記第２のマッピング情報へ更新された後は、前記第２のマッピング情報に基づいて、前記ホストコンピュータから受信するデータの宛先に関する前記第１の記憶領域識別情報を前記第３の記憶領域識別情報に変換して、前記第３の記憶領域識別情報と関連付けられたデータを前記第２の論理記憶領域に送るステップと、を有し、After updating to the second mapping information, based on the second mapping information, the first storage area identification information related to the destination of data received from the host computer is changed to the third storage area identification information. And converting the data associated with the third storage area identification information to the second logical storage area, and
前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行中に受信される前記データは、前記第２の論理記憶領域に格納されるものである、The data received during data migration from the first logical storage area to the second logical storage area is stored in the second logical storage area;
ことを特徴するデータ移行制御方法。A data migration control method characterized by that.
前記第２のマッピング情報への更新は、前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行が完了した場合に実行される、The update to the second mapping information is executed when data migration from the first logical storage area to the second logical storage area is completed.
ことを特徴とするデータ移行制御方法。A data migration control method characterized by the above.
前記仮想記憶領域を識別するために用いられる情報は、前記仮想化制御装置の仮想ポートを識別するために用いられる仮想ポート識別情報と関連付けられている、The information used to identify the virtual storage area is associated with virtual port identification information used to identify the virtual port of the virtualization control device,
ことを特徴とするデータ移行制御方法。A data migration control method characterized by the above.
前記仮想記憶領域の識別には、前記仮想化制御装置の仮想ポート識別情報が用いられる、For identifying the virtual storage area, virtual port identification information of the virtualization control device is used.
ことを特徴とするデータ移行制御方法。A data migration control method characterized by the above.
前記仮想記憶領域の識別には、前記仮想記憶領域のロジカルユニットナンバー（LUN）及び前記仮想化制御装置の仮想ポート識別情報が用いられる、For identification of the virtual storage area, a logical unit number (LUN) of the virtual storage area and virtual port identification information of the virtualization control device are used.
ことを特徴とするデータ移行制御方法。A data migration control method characterized by the above.
前記仮想化制御装置はスイッチ装置である、The virtualization control device is a switch device;
ことを特徴とするデータ移行制御方法。A data migration control method characterized by the above.
前記ホストコンピュータから前記仮想記憶領域に宛てて送信される第１のリード要求を前記仮想化制御装置で受信するステップと、Receiving at the virtualization control device a first read request transmitted from the host computer to the virtual storage area;
前記第１の制御回路の制御により、前記第２のマッピング情報に基づいて、前記第１のリード要求を前記第２の記憶装置に送信するステップと、Transmitting the first read request to the second storage device based on the second mapping information under the control of the first control circuit;
前記複数の記憶装置に含まれる第３の記憶装置が有する第３の論理記憶領域と関連付けられた他の仮想記憶領域に宛てて前記ホストコンピュータまたは他のホストコンピュータから送信される第２のリード要求を、前記仮想化制御装置で受信するステップと、A second read request transmitted from the host computer or another host computer to another virtual storage area associated with a third logical storage area included in a third storage device included in the plurality of storage devices Receiving at the virtualization control device;
前記複数の制御回路のうちの第２の制御回路の制御により、前記他の仮想記憶領域と前記第3の論理記憶領域の対応関係に基づき、前記第２のリード要求を前記第３の記憶装置に送信するステップと、を有するUnder the control of a second control circuit of the plurality of control circuits, the second read request is sent to the third storage device based on the correspondence between the other virtual storage area and the third logical storage area. And sending to
ことを特徴とするデータ移行制御方法。A data migration control method characterized by the above.
前記第１の論理記憶領域から前記第２の論理記憶領域へのデータの移行中に受信される前記データは、前記第１の論理記憶領域にも格納される、The data received during data migration from the first logical storage area to the second logical storage area is also stored in the first logical storage area;
ことを特徴とするデータ移行制御方法。A data migration control method characterized by the above.
前記計算機システムは、The computer system is
第１の論理記憶領域と前記複数の記憶装置のうちの第１の記憶装置が有する第1の記憶領域とを対応付ける第１のマッピング情報に基づいて、前記第１の論理記憶領域に宛てて前記ホストコンピュータから送信されるデータを、前記第１の記憶領域に当てて送信するように制御し、Based on the first mapping information associating the first logical storage area with the first storage area of the first storage device of the plurality of storage devices, the first logical storage area is addressed to the first logical storage area. Controlling the data transmitted from the host computer to be transmitted to the first storage area,
前記第１の記憶領域に格納されたデータを前記複数の記憶装置のうちの第２の記憶装置の有する第２の記憶領域に移行し、 Transferring the data stored in the first storage area to a second storage area of a second storage device of the plurality of storage devices;
前記第１のマッピング情報を、前記第１の論理記憶領域と前記第２の記憶領域とが対応付けられる第２のマッピング情報に更新し、 Updating the first mapping information to second mapping information in which the first logical storage area and the second storage area are associated;
前記第1のマッピング情報を前記第２のマッピング情報を更新した後に、前記第１の論理記憶領域に宛てて前記ホストコンピュータから送信されるデータを、前記第２のマッピング情報に基づいて、前記第２の記憶領域に格納する、After updating the second mapping information to the first mapping information, the data transmitted from the host computer addressed to the first logical storage area is changed based on the second mapping information. 2 storage area,
ことを特徴とする計算機システム。A computer system characterized by that.
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