Computer configuration tracking system able to restore a previous configuration

• US 20080126302A1
• Filed: 08/31/2006
• Published: 05/29/2008
• Est. Priority Date: 08/31/2006
• Status: Active Grant

• Current Assignee: ServiceNow Incorporated
• Original Assignee: International Business Machines Corporation
• Inventors: Pericherla, Rajesh, Mora, Frederic
• Granted Patent: US 7,673,175 B2
• Time in Patent Office: Days
• US Class Current: 707/3
• CPC Class Codes: G06F 11/1417 Boot up procedures

Abstract

A system and method for tracking and restoring computer configuration are disclosed. In one aspect, the system and method monitors for a series of changes in watched one or more computer configuration variables. The changes are registered into a series of saved states. The one or more computer configuration variables may be restored to a desired saved state using the registry of saved states. In one aspect, the system and method monitors the changes by intercepting system calls, determining which system calls affect the one or more computer configuration variables, and logging the system calls and the results of the system calls that affect the one or more computer configuration variables. A recovery script may be dynamically generated to restore to a saved state.

Claims

1. A computer-implemented method of tracking and restoring computer configuration, comprising:

determining one or more computer configuration variables to watch;

monitoring a computer system for a series of changes in the one or more computer configuration variables;

logging the series of changes as a series of saved states;

determining a recovery state to which to restore a computer configuration variable;

retrieving a restore value associated with the computer configuration variable corresponding to the recovery state; and

executing one or more commands that change the computer configuration variable using the restore value.

2. The method of claim 1, wherein the step of monitoring includes:

intercepting a system call;

determining if the system call affects the one or more computer configuration variables;

if the system call affects the one or more computer configuration variables,

issuing the system call; and

registering the system call;

if the system call does not affect the one or more computer configuration variables,

passing the system call to an operating system.

3. The method of claim 1, wherein the step of monitoring includes:

intercepting a system call;

allowing an operating system to execute the system call; and

creating a new thread to check whether the system call affects one or more computer configuration variables.

4. The method of claim 1, wherein the step of logging includes logging a change that occurred at a selected state.

5. The method of claim 4, wherein the selected state is received from a user.

6. The method of claim 1, further including:

allowing a user to query the logged series of changes as a series of saved states.

7. The method of claim 1, further including:

allowing a user to select a state from the series of saved states.

8. The method of claim 1, wherein the step of logging includes:

controlling one or more versions of a configuration file affected by one or more configuration programs.

9. The method of claim 8, wherein the step of determining a recovery state to which to restore a computer configuration variable includes:

determining a version of the configuration file to restore.

10. The method of claim 9, wherein the step of executing includes:

executing the one or more configuration programs using the determined version of the configuration file as input to the one or more configuration programs.

11. The method of claim 1, wherein the step of determining one or more computer configuration variables to watch includes:

receiving an XML definition file having at least information associated with the one or more computer configuration variables to watch.

12. A system for tracking and restoring computer configuration, comprising:

a means for determining one or more computer configuration variables to watch;

a monitor driver operable to monitor one or more changes to the one or more computer configuration variables, the monitor driver further operable to log the one or more changes;

a means for receiving a selected recovery state; and

a means for dynamically generating instructions for restoring the one or more computer configuration variables to the selected recovery state using the logged one or more changes.

13. The system of claim 12, further including:

a definition compiler operable to convert human readable definitions for the one or more computer configuration variables into machine readable form.

14. The system of claim 13, wherein the human readable definitions include definitions specified in XML format.

15. The system of claim 13, wherein the machine readable form includes binary code.

16. The system of claim 12, wherein the means for dynamically generating instructions dynamically generates one or more scripts that can be run to restore the one or more computer configuration variables to the selected recovery state.

17. The system of claim 12, wherein the monitor driver is operable to intercept a plurality of system calls to an operating system to determine if the system calls affect the one or more computer configuration variables.

18. A program storage device readable by machine, tangibly embodying a program of instructions executable by the machine to perform a method of tracking and restoring computer configuration, comprising:

determining one or more computer configuration variables to watch;

monitoring a computer system for a series of changes in the one or more computer configuration variables;

logging the series of changes as a series of saved states;

determining a recovery state to which to restore a computer configuration variable;

retrieving a restore value associated with the computer configuration variable corresponding to the recovery state; and

executing one or more commands that change the computer configuration variable using the restore value.

19. The program storage device of claim 18, wherein the step of monitoring includes:

intercepting a system call;

determining if the system call affects the one or more computer configuration variables;

if the system call affects the one or more computer configuration variables,

issuing the system call; and

registering the system call;

if the system call does not affect the one or more computer configuration variables,

passing the system call to an operating system.

20. The program storage device of claim 18, wherein the step of monitoring includes:

intercepting a system call;

allowing an operating system to execute the system call; and

creating a new thread to check whether the system call affects one or more computer configuration variables.