Creating customized bootable image for client computing device from backup copy

• US 9,740,578 B2
• Filed: 03/17/2016
• Issued: 08/22/2017
• Est. Priority Date: 07/16/2014
• Status: Active Grant

• Current Assignee: CommVault Systems Incorporated
• Original Assignee: CommVault Systems Incorporated
• Inventors: Kumarasamy, Paramasivam, Mitkar, Amit, Degaonkar, Sumedh Pramod
• Primary Examiner(s): Zhen, Wei
• Assistant Examiner(s): Lyons, Andrew M
• Application Number:
  US15/073,405
• Publication Number:
  US 20160283332A1
• Time in Patent Office: 523 Days
• Field of Search: 717174, 714E11118, 714E11119, 714E11121
• CPC Class Codes: G06F 11/00 Error detection; Error correction; Monitoring error detection, correction or monitoring in information storage based on relative movement between record carrier and transducer G11B20/18; monitoring, i.e. supervising the progress of recording or reproducing G11B27/36; in static stores G11C29/00
• CPC Class Codes: G06F 11/1417 Boot up procedures
• CPC Class Codes: G06F 11/1435 using file system or storage system metadata
• CPC Class Codes: G06F 11/1441 Resetting or repowering
• CPC Class Codes: G06F 11/1451 by selection of backup contents
• CPC Class Codes: G06F 11/1469 Backup restoration techniques
• CPC Class Codes: G06F 11/2023 Failover techniques
• CPC Class Codes: G06F 11/2094 Redundant storage or storage space G06F11/2056 takes precedence
• CPC Class Codes: G06F 2201/80 Database-specific techniques
• CPC Class Codes: G06F 2201/815 Virtual
• CPC Class Codes: G06F 2201/84 Using snapshots, i.e. a logical point-in-time copy of the data
• CPC Class Codes: G06F 9/4406 Loading of operating system
• CPC Class Codes: G06F 9/4411 Configuring for operating with peripheral devices; Loading of device drivers

Abstract

According to certain aspects, a method of creating customized bootable images for client computing devices in an information management system can include: creating a backup copy of each of a plurality of client computing devices, including a first client computing device; subsequent to receiving a request to restore the first client computing device to the state at a first time, creating a customized bootable image that is configured to directly restore the first client computing device to the state at the first time, wherein the customized bootable image includes system state specific to the first client computing device at the first time and one or more drivers associated with hardware existing at time of restore on a computing device to be rebooted; and rebooting the computing device to the state of the first client computing device at the first time from the customized bootable image.

Claims

1. A method of creating customized bootable images for client computing devices in an information management system, the method comprising:

using one or more computing devices comprising computer hardware;

creating a backup copy of each respective client computing device of a plurality of client computing devices, wherein the plurality of client computing devices reside in a primary storage subsystem, wherein the backup copy of each respective client computing comprises an image of the respective client computing device, and wherein the image comprises a non-default system state of the respective client computing device at a first time, the non-default system state of the respective client computing device comprising;

a kernel of the respective client computing device,

one or more virtual machine managers installed on the respective client computing device at the first time, and

a plurality of drivers installed on the respective client computing device at the first time, wherein the non-default system state at the first time reflects one or more internal settings of the respective client computing device at the first time, wherein the backup copy of the respective client computing device is stored in one or more secondary storage devices of a secondary storage subsystem;

creating a copy of a generic bootable image that includes a default kernel and one or more default device drivers, wherein the copy of the generic bootable image is stored in the one or more secondary storage devices;

subsequent to said creating a copy of a generic bootable image and to said creating a backup copy of each respective client computing device, receiving a request to restore a destination computing device to the non-default system state of a first client computing device of the plurality of client computing devices at the first time;

subsequent to said receiving a request, creating a customized bootable image specific to the first client computing device and stored in the backup copy, said creating comprising using the generic bootable image stored in the one or more secondary storage devices as a template to create the customized bootable image, the customized bootable image comprising the non-default system state of the first client computing device at the first time, the non-default system state of the first client computing device comprising the kernel of the first client computing device, the one or more virtual machine managers installed on the first client computing device at the first time, and the plurality of drivers installed on the first client computing device at the first time,

wherein the customized bootable image stored in association with the backup copy of the first client computing device is configured to directly restore to the destination computing device the non-default system state of the first client computing device at the first time by booting from the kernel of the first client computing device and without first booting from the default kernel and then loading the kernel of the first client computing device, and

wherein the customized bootable image further comprises one or more drivers associated with hardware existing at time of restore on the destination computing device; and

rebooting the destination computing device to the non-default system state of the first client computing device at the first time from the customized bootable image.

2. The method of claim 1 wherein an operating system (OS) of the first client computing device is Linux.

3. The method of claim 1 wherein the customized bootable image comprises data of the first client computing device at the first time.

4. The method of claim 1 wherein the destination computing device is the first client computing device.

5. The method of claim 1 wherein the destination computing device is different from the first client computing device.

6. The method of claim 1 wherein the hardware existing at the time of restore on the destination computing device comprises hardware not included on the first client computing device at the first time.

7. The method of claim 1 wherein said creating a customized bootable image comprises:

creating an initial customized bootable image that includes the system state specific to the first client computing device at the first time; and

adding to the initial customized bootable image one or more drivers associated with the hardware not included on the first client computing device at the first time to create the customized bootable image.

8. The method of claim 1 wherein the customized bootable image is one or more of:

a physical DVD, a virtual DVD, an ISO image, or a network portable image.

9. A system configured to create customized bootable images for client computing devices in an information management system, the system comprising:

a computing system comprising one or more computing devices comprising computer hardware, wherein the computing system is configured to;

create a backup copy of each respective client computing device of a plurality of client computing devices, wherein the plurality of client computing devices reside in a primary storage subsystem, wherein the backup copy of each respective client computing device comprises an image of the respective client computing device, and wherein the image comprises a non-default system state of the respective client computing device at a first time, the non-default state of the respective client computing device comprising;

a kernel of the respective client computing device,

one or more virtual machine managers installed on the respective client computing device at the first time, and

a plurality of drivers installed on the respective client computing device at the first time, wherein the non-default system state at the first time reflects one or more internal settings of the respective client computing device at the first time, wherein the backup copy of each of the plurality of client computing devices is stored in one or more secondary storage devices of a secondary storage subsystem;

create a copy of a generic bootable image that includes a default kernel and one or more default device drivers, wherein the copy of the generic bootable image is stored in the one or more secondary storage devices;

subsequent to the creation of the generic bootable image and creation of the backup copy of each respective client computing device, receive a request to restore a destination computing device to the non-default system state of a first client computing device of the plurality of client computing devices at the first time;

subsequent to receiving the request, create a customized bootable image specific to the first client computing device by using a generic bootable image stored in the one or more secondary storage devices as a template to create the customized bootable image, the customized bootable image comprising the non-default system state of the first client computing device at the first time, the non-default system state of the first client computing device comprising the kernel of the first client computing device, the one or more virtual machine managers installed on the first client computing device at the first time, and the plurality of drivers installed on the first client computing device at the first time,

wherein the customized bootable image stored in the backup copy of each of the plurality of client computing devices is configured to directly restore to the destination computing device the non-default system state of the first client computing device at the first time by booting from the kernel of the first client computing device and without first booting from the default kernel and then loading the kernel of the first client computing device, and

wherein the customized bootable image further comprises one or more drivers associated with hardware existing at time of restore on the destination computing device; and

reboot the destination computing device to the non-default system state of the first client computing device at the first time from the customized bootable image.

10. The system of claim 9 wherein an operating system (OS) of the first client computing device is Linux.

11. The system of claim 9 wherein the customized bootable image comprises data of the first client computing device at the first time.

12. The system of claim 9 wherein the destination computing device to be rebooted is the first client computing device.

13. The system of claim 9 wherein the destination computing device to be rebooted is different from the first client computing device.

14. The system of claim 9 wherein the hardware existing at the time of restore on the destination computing device to be rebooted comprises hardware not included on the first client computing device at the first time.

15. The system of claim 9 wherein the computing system creates the customized bootable image at least partly by:

creating an initial customized bootable image that includes the system state specific to the first client computing device at the first time; and

adding to the initial customized bootable image one or more drivers associated with the hardware not included on the first client computing device at the first time to create the customized bootable image.

16. The system of claim 9 wherein the customized bootable image is one or more of:

a physical DVD, a virtual DVD, an ISO image, or a network portable image.