Systems and methods for managing location of media in a storage system

• US 8,131,780 B2
• Filed: 06/06/2011
• Issued: 03/06/2012
• Est. Priority Date: 09/16/2002
• Status: Active Grant

• Current Assignee: CommVault Systems Incorporated
• Original Assignee: CommVault Systems Incorporated
• Inventors: Amarendran, Arun Prasad, Kottomtharayil, Rajiv, Ilkal, Zahid
• Primary Examiner(s): Corrielus, Jean M
• Application Number:
  US13/154,178
• Publication Number:
  US 20110238695A1
• Time in Patent Office: 274 Days
• Field of Search: 707/999.104, 707/609, 707/769, 707/812, 711/111, 711/114, 711/161
• US Class Current: 707/812
• CPC Class Codes: G06F 3/0605 by facilitating the interaction with a user or administrator
• CPC Class Codes: G06F 3/0632 by initialisation or re-initialisation of storage systems
• CPC Class Codes: G06F 3/0686 Libraries, e.g. tape libraries, jukebox
• CPC Class Codes: Y10S 707/99931 Database or file accessing
• CPC Class Codes: Y10S 707/99945 Object-oriented database structure processing
• CPC Class Codes: Y10S 707/99948 Application of database or data structure, e.g. distributed, multimedia, or image
• CPC Class Codes: Y10S 707/99953 Recoverability

Abstract

A system and method for operating a storage library. The system comprises a management server, a media agent connected to the management server, a library connected to the media agent and a database connected to the management server. The management server controls the media agent to monitor for the addition or removal of a piece of media in the library. When the media agent determines that the piece of media has been added to the library or removed from the library, the media agent causes the library to read a media label stored as data on the piece of media, the media label including an identifier identifying the piece of media. When a backup or restore is performed, the system checks the media label to ensure that the correct media is being used. Inventory procedures are disclosed. Media labels are stored in a database along with an indication of the corresponding slot where the media is stored, a time when the label was put on the medium, and a confidence parameter indicating how confident the system is that the particular medium is stored in the respective slot.

Claims

1. A method of inventorying data, the method comprising:

receiving an inventory request to inventory media associated with at least a portion of a storage system, wherein the media comprises at least a first removable sighted media and a second removable blind media;

mounting the first removable sighted media and reading a barcode associated therewith;

storing in a database first location information about the first removable sighted media;

mounting a second removable blind media, wherein the second removable blind media does not have a barcode associated therewith;

reading an on-media label stored on the second removable media; and

storing in the database, second location information about the second removable blind media such that the database comprises the first location information about the removable sighted media and the second location information about the second removable blind media.

2. The method as recited in claim 1, further comprising searching for media based on the first and second location information in the database.

3. The method as recited in claim 2, further comprising searching for media based on a time the media was identified as confident.

4. The method as recited in claim 2, further comprising searching for media based on an oldest update time of the media.

5. The method as recited in claim 2, further comprising searching for the media by searching for a slot assigned to the media.

6. The method of claim 1 further comprising a confidence parameter indicating a confidence level that the second removable blind media is associated with a slot.

7. The method of claim 6 wherein the confidence parameter is stored in a slot table that further identifies the slot assigned the removable blind media.

8. A system for inventorying data, the system comprising:

an inventory request that initiates an inventory of media associated with at least a portion of a storage system, the media comprising at least a first removable sighted media and at least a second removable blind media;

a database configured to store a first location of the first removable sighted media, and wherein the database is further configured to store a second location of the removable blind media;

one or more computer processors configured to mount the first removable sighted media and read a barcode associated therewith, wherein the one or more computer processors are configured to store the first location information about the first removable sighted media in the database; and

one or more computer processors configured to mount the second removable blind media, wherein the second removable blind media does not have a barcode associated therewith, wherein the one or more computer processors are further configured to read an on-media label stored on the second removable media and store the second location information about the second removable blind media in the database.

9. The system as recited in claim 8, further comprising one or more computer processors configured to search for media based on the first and second location information in the database.

10. The system as recited in claim 9, wherein the one or more computer processors are further configured to search for media based on a time the media was identified as confident.

11. The system as recited in claim 9, wherein the one or more computer processors are further configured to search for media based on an oldest update time of the media.

12. The system as recited in claim 9, wherein the one or more computer processors are further configured to search for media by searching for a slot assigned to the media.

13. The system of claim 8 wherein the database further comprises a confidence parameter indicating a confidence level that the second removable blind media is associated with a slot.

14. The system of claim 13 wherein the confidence parameter is stored in a slot table that further identifies the slot assigned to the second removable blind media.