Storage apparatus and controlling method
AssigneeFujitsu Limited
InventorsEmi Cho, Yuji Hanaoka, Atsushi Uchida, Yoko Kawano
Life of this patent
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Abstract
A storage apparatus includes a storage medium configured to store data and a control unit configured to control access to the storage medium. The control unit includes first storage configured to store data to be stored in the storage medium, a second storage configured to store data, a control information generator configured to generate control information indicating a storage state of the data in the first storage and a transfer controller configured to control transfer of the data stored in the first storage to the second storage on the basis of the control information generated by the control information generator when the supply of power to the control unit is stopped.
Claims17
A storage apparatus comprising:
- a storage medium configured to store data;
- and
- a control unit configured to control access to the storage medium, wherein the control unit includes:
- a first storage configured to store data to be stored in the storage medium;
- a second storage configured to store data;
- a control information generator configured to generate control information indicating a storage state of the data in the first storage;
- and
- a transfer controller configured to control transfer of the data stored in the first storage to the second storage on the basis of the control information generated by the control information generator when the supply of power to the control unit is stopped.
A control unit that controls data transfer, the control unit comprising:
- a first storage configured to store data;
- a second storage;
- a control information generator configured to generate control information indicating a storage state of the data in the first storage;
- and
- a controller configured to control transfer of the data stored in the first storage to the second storage based on the control information generated by the control information generator when power supply to the control unit is stopped.
A method for data transfer, the method comprising:
- generating control information indicating a storage state of data in a first storage;
- and
- controlling transfer of the data stored in the first storage to a second storage based on the control information when power supply to the first storage is stopped.
Dependencies are inferred from the claim text.