Apparatus, method, and computer product for executing program
AssigneeFujitsu Limited
InventorKouya Shimura
Life of this patent
Estimating the term…
Abstract
An operating computer or a standby computer can execute a program. The operating computer includes a first storage unit and the standby computer includes a second storage unit. Access to the first storage unit is frozen. Only minimum data required for the standby computer to execute the program that was executed by the operating computer is transferred from the first storage unit to the second storage unit. Other data in the first storage unit is transferred to the second storage unit only when required.
Claims17
An apparatus for storing data in a storage unit and executing a program, the apparatus comprising:
- a freezing unit that freezes access to the storage unit;
- and
- a migrating unit that migrates data stored in the storage unit to at least one other apparatus to cause the other apparatus to execute a program that was executed by the apparatus.
A method for causing an operating computer or a standby computer to execute a program, the operating computer and the standby computer each including a storage unit for storing data, the method comprising:
- freezing access to the storage unit of the operating computer;
- and
- migrating data stored in the storage unit of the operating computer to the standby computer to cause the standby computer to execute a program that was executed by the operating computer.
A computer-readable recording medium that stores therein a computer program that causes an operating computer or a standby computer to execute a program, the operating computer and the standby computer each including a storage unit for storing data, wherein the program causes a computer to execute:
- freezing access to the storage unit of the operating computer;
- and
- migrating data stored in the storage unit of the operating computer to the standby computer to cause the standby computer to execute a program that was executed by the operating computer.
Dependencies are inferred from the claim text.