Abstract: A computer system including: a plurality of computers having at least one first computer and at least one second computer; a management computer adapted to manage the plurality of computers; and a storage system; the management computer including: a portion adapted to receive network identification information which is set to a network adapter of the first computer; and a portion adapted to transmit the network identification information of the first computer, to the second computer if the management computer receive a request to move a process executing on the first computer; the second computer including: a portion adapted to set the network identification information of the first computer to a network adapter of the second computer; a portion adapted to receive at least one program from a storage area of the storage system corresponding to the network identification information; and a portion adapted to boot the program.

Abstract: A proposed fail over method for taking over task that is preformed on an active server to a backup server, even when the active server and the backup server have different hardware configuration. The method for making a backup server take over task when a fault occurs on a active server, comprises steps of acquiring configuration information on the hardware in the active server and the backup server, acquiring information relating the hardware in the backup server with the hardware in the active server, selecting a backup server to take over the task that is executed on the active server where the fault occurred, creating logical partitions on the selected backup server, and taking over the task executed on the active server logical partitions, in the logical partitions created on the selected backup server.

Abstract: When a primary server executing a task fails in a computer system where a plurality of servers are connected to an external disk device via a network and the servers boot an operation system from the external disk device, task processing is taken over from the primary server to a server that is not executing a task in accordance with the following method. The method for taking over a task includes the steps of detecting that the primary server fails; searching the computer system for a server that has the same hardware configuration as that of the primary server and that is not running a task; enabling the server, searched for as a result of the search, to access the external disk device; and booting the server from the external disk device.

Abstract: In a computing system where multiple servers are connected through a network and one or more jobs are run, a power reduction facility of a supervisory server relocates jobs according to predetermined conditions, thereby reducing the amount of power consumed by the computing system. For relocating the jobs, the power reduction facility obtains server-related information such as the power properties of the servers constituting the computing system and job-related information such as performance requirements for the jobs which are run in the computing system, and searches for one or more jobs to be relocated and destination servers, based on these server-related information and job-related information, to the extent that the performance requirements for each job are fulfilled. Based on the search results, the jobs are relocated to the destination servers, and servers on which no job is running, in consequence of the relocation, are powered off.

Abstract: Respective WWNs (World Wide Names) which can be allocated to a plurality of computers, business application identity information of programs to be booted and area identity information, of areas in a storage system in which the programs are stored, are associated and stored. In response to the entry of a boot request including the business application identity information of a designated computer to be booted, the WWN and the area identity information corresponding to the business application identity information are sent to the computer in order to boot the program. In the computer, the sent WWN is set and the area identity information is set as the area to be booted. Subsequently, by means of a restart of the computer, the program stored in the area is booted to operate.

Abstract: Respective WWNs (World Wide Names) which can be allocated to a plurality of computers, business application identity information of programs to be booted and area identity information, of areas in a storage system in which the programs are stored, are associated and stored. In response to the entry of a boot request including the business application identity information of a designated computer to be booted, the WWN and the area identity information corresponding to the business application identity information are sent to the computer in order to boot the program. In the computer, the sent WWN is set and the area identity information is set as the area to be booted. Subsequently, by means of a restart of the computer, the program stored in the area is booted to operate.

Abstract: In a computing system where multiple servers are connected through a network and one or more jobs are run, a power reduction facility of a supervisory server relocates jobs according to predetermined conditions, thereby reducing the amount of power consumed by the computing system. For relocating the jobs, the power reduction facility obtains server-related information such as the power properties of the servers constituting the computing system and job-related information such as performance requirements for the jobs which are run in the computing system, and searches for one or more jobs to be relocated and destination servers, based on these server-related information and job-related information, to the extent that the performance requirements for each job are fulfilled. Based on the search results, the jobs are relocated to the destination servers, and servers on which no job is running, in consequence of the relocation, are powered off.

Abstract: When a primary server executing a task fails in a computer system where a plurality of servers are connected to an external disk device via a network and the servers boot an operation system from the external disk device, task processing is taken over from the primary server to a server that is not executing a task in accordance with the following method. The method for taking over a task includes the steps of detecting that the primary server fails; searching the computer system for a server that has the same hardware configuration as that of the primary server and that is not running a task; enabling the server, searched for as a result of the search, to access the external disk device; and booting the server from the external disk device.

Abstract: In a network computer system, recovery may be impossible from a fault when the fault occurs in a network switch in a network or a device such as an external disk device. Provided is a computer system that includes a plurality of servers, a plurality of networks, a plurality of external disk devices, and a management computer, in which the management computer detects a fault which is occurred, retrieves an application stop server inaccessible to the used disk due to the fault, retrieves the disk for storing the same contents as contents stored in the disk used by the retrieved application stop server and the external disk device including the disk, retrieves an application resuming server capable of accessing the retrieved external disk device, and transmits an instruction to boot by using the retrieved disk to the retrieved application resuming server.

Abstract: Respective WWNs (World Wide Names) which can be allocated to a plurality of computers, business application identity information of programs to be booted and area identity information, of areas in a storage system in which the programs are stored, are associated and stored. In response to the entry of a boot request including the business application identity information of a designated computer to be booted, the WWN and the area identity information corresponding to the business application identity information are sent to the computer in order to boot the program. In the computer, the sent WWN is set and the area identity information is set as the area to be booted. Subsequently, by means of a restart of the computer, the program stored in the area is booted to operate.

Abstract: The active server A101 notifies its own operating status to the administration server 106, and the administration server 106 acquires a snapshot and copies a disk according to the policy established by a user. When the active server A101 or the active disk 113 fails, the administration server 106 chooses a backup server A104 and a status storage disk A114 to be booted and restarts them by using the snapshot according to the policy.

Abstract: Respective WWNs (World Wide Names) which can be allocated to a plurality of computers, business application identity information of programs to be booted and area identity information, of areas in a storage system in which the programs are stored, are associated and stored. In response to the entry of a boot request including the business application identity information of a designated computer to be booted, the WWN and the area identity information corresponding to the business application identity information are sent to the computer in order to boot the program. In the computer, the sent WWN is set and the area identity information is set as the area to be booted. Subsequently, by means of a restart of the computer, the program stored in the area is booted to operate.

Abstract: In a computer system in which a server has, in addition to a disk used for booting, an operation transfer destination disk that has the same content as the boot disk, a method for changing the disk used by the server or another server in the computer system for booting to the operation transfer destination disk is realized by changing the content of the operation transfer destination disk to enable the OS and applications installed in the operation transfer destination disk to be booted from the destination disk and by changing the setting of a boot program of the server to enable booting from the operation transfer destination disk.

Abstract: When a primary server executing a task fails in a computer system where a plurality of servers are connected to an external disk device via a network and the servers boot an operation system from the external disk device, task processing is taken over from the primary server to a server that is not executing a task in accordance with the following method. The method for taking over a task includes the steps of detecting that the primary server fails; searching the computer system for a server that has the same hardware configuration as that of the primary server and that is not running a task; enabling the server, searched for as a result of the search, to access the external disk device; and booting the server from the external disk device.

Abstract: For use in a system where a plurality of servers are connected to an external disk device, a method is provided for a server to boot an operating system from the external disk device. The method includes the steps of searching for the port of a network switch to which the server is connected; establishing a network to which only the server and a management server belong; sending a server information acquisition program from the management server to the server via a network boot operation; acquiring, by the server information acquisition program, unique information owned by the storage interface of the server for transfer to the management server; and setting, by the management server, a disk within the external disk device accessible from the server based on the unique information.

Abstract: A vendor system acquires information on a user system from the user system. The information on the user system includes information on hardware employed in the user system and information on software installed in the user system. Then, the vendor system constructs a test environment on the basis of the information on the user system. Subsequently, the vendor system examines operations of the user system updated by a software-updating patch in the test environment to determine whether or not the user system operates normally in the test environment. If normal operations are verified, the vendor system transmits the software-updating patch to the user system. The user system applies the software-updating patch to the software installed in the user system to update the user system. In the configuration described above, the user system can be updated with ease by adoption of a method to update the software installed in the user computer through a network.