Program with plural of independent administrative area information and an information processor using the same

• US 20040143608A1
• Filed: 02/28/2003
• Published: 07/22/2004
• Est. Priority Date: 01/21/2003
• Status: Active Grant

• Current Assignee: Hitachi, Ltd.
• Original Assignee: Hitachi, Ltd.
• Inventors: Horiuchi, Takashi, Nakano, Takahiro, Hara, Junichi, Matsunami, Naoto, Miyata, Kenichi
• Granted Patent: US 7,673,012 B2
• Time in Patent Office: Days
• US Class Current: 707/204
• CPC Class Codes: H04L 67/1097 for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: H04L 9/40 Network security protocols

Abstract

A system renting out file servers to many companies in a data center has a security problem so that the user cannot perform operation needing manager authorization in the file servers. An OS provides execution administrative area information of an application program designated by process information which can specify the range of an accessible device to operate the server system of the customer in the administrative area information.

Claims

1. A program for executing plural application programs, wherein to operate physical devices operated on said application programs in an operating environment corresponding to accessibility or inaccessibility set to the respective devices, administrative area information of said application programs is generated.

3. The program according to claim 1, wherein said physical device is a tape device.

2. A program for executing plural application programs, wherein to allow said application programs to handle one or more physical devices as one or more virtual devices and to operate the virtual devices in an operating environment corresponding to accessibility or inaccessibility set to the respective devices, administrative area information of said application programs is generated.

4. The program according to claim 2, wherein said one or more physical devices are plural independent physical disks, and said one or more virtual devices are virtual devices logically partitioning said plural independent physical disks.

5. A program for executing plural application programs, wherein to operate physical devices operated on said application programs in an operating environment corresponding to accessibility or inaccessibility set to the respective devices, administrative area information of said application programs is generated, and administrative area information of other plural application programs is changed corresponding to execution of one of said plural application programs.

6. A program for executing plural application programs, wherein to allow said application programs to handle one or more physical devices as one or more virtual devices and to operate the virtual devices operated on said application programs in an operating environment corresponding to accessibility or inaccessibility set to the respective devices, administrative area information of said application programs is generated, and administrative area information of other plural application programs is changed corresponding to execution of one of said plural application programs.

7. A program for executing plural application programs, wherein to operate physical devices or logical devices operated on said application programs in an operating environment corresponding to accessibility or inaccessibility set to the respective devices, administrative area information of said application programs is generated, and plural file systems stored in said physical devices or logical devices are accessed to generate administrative area information mounting said file systems to a root directory.

8. A program for executing plural application programs for an information processor provided in a data center independently supplying a file service to plural customers, wherein one of said plural application programs is a program for managing the data center, other application programs are programs for the service to said customers, and to operate physical devices and logical devices operated on said application programs in an operating environment corresponding to accessibility or inaccessibility set to the respective devices, administrative area information of said application programs is generated.

9. The program according to claim 8, wherein the administrative area information corresponding to the programs for the service to said customers is changed corresponding to the execution of the program for managing said data center.

10. An information processor provided in a data center independently supplying a file service to plural customers, comprising:

an application program for managing said data center;

application programs for the service to said customers; and

a program for executing the plural application programs, wherein in the program for executing the plural application programs, to operate physical devices operated on said application programs in an operating environment corresponding to accessibility or inaccessibility set to the respective devices, administrative area information of said application programs is generated.

11. The information processor according to claim 10, wherein in place of said physical devices, one or more physical devices are handled as one or more virtual devices.

12. The information processor according to claim 10 or 11, wherein said data center has a tape device for back-up as one of the physical devices, and execution of said application program for managing the data center can change said administrative area information to give the managing authorization of said tape device to the customer based on the agreement with the customer.

13. An information processor provided in a data center independently supplying a file service to plural customers, comprising:

an application program for managing said data center;

application programs for the service to said customers;

a program for executing the plural application programs; and

plural of administrative area information corresponding to the plural application programs, wherein the administrative area information has data handling one or more physical devices provided in the data center as one or more virtual devices and data showing whether the application programs for the service to said customers can access said virtual devices, one of said physical devices is a tape device for back-up, and said application program for managing the data center changes said administrative area information so as to permit back-up to the tape device by the operation of said customers as one of the changes of the administrative area information of the application program for the service to said customers.

14. The information processor according to claim 13, wherein the application programs for the service to said customers are started according to the process information generated corresponding to the operation of the application program for managing the data center, generates process information for operating their own file server program, and performs processing according to a file service or a request of making the back-up data.