IP Library › Granted Patent US 8,001,416
Granted Patent B2
US 8,001,416 · App. 12/045,904 · Granted Aug 16, 2011

System and method for recovery of information stored on a corrupt storage device

Assignee: Dell Products L.P.
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Quick Facts
Patent No.
US 8,001,416
App. No.
12/045,904
Filed
Mar 11, 2008
Granted
Aug 16, 2011
Kind
B2
Art Unit
2114
USPC
714/6.12
Abstract

A magnetic tape cartridge, such as a Linear Tape Open cartridge, stores parameters in a non-volatile memory, such as a Media Auxiliary Memory page of a Cartridge Memory, for use in reading and writing to a magnetic tape. A backup copy of the parameters is made in the non-volatile memory for use in reading and writing to the magnetic tape in the event that the primary copy of the parameters becomes corrupt. If a tape drive fails to retrieve the primary copy of the parameters, the tape drive looks for the backup copy at a predetermined memory location, such as location 200h in the Cartridge Memory.

Claims (32)

1. A magnetic tape cartridge comprising:

magnetic tape operable to accept information from a tape drive;

primary memory separate from the magnetic tape and operable to store predetermined parameters readable by the tape drive, the predetermined parameters used by the tape drive to support writing information to the magnetic tape; and

backup memory separate from the magnetic tape and operable to store a back up of the predetermined parameters for use by the tape drive to support writing information to the magnetic tape in the event of corruption of the predetermined parameters stored in the primary memory.

2. The magnetic tape cartridge of claim 1 wherein the primary memory comprises a Cartridge Memory.

3. The magnetic tape cartridge of claim 2 wherein the Cartridge Memory comprises one or more Media Auxiliary Memory pages that store the predetermined parameters.

4. The magnetic tape cartridge of claim 2 wherein the backup memory comprises a predetermined location in non-volatile memory of the cartridge.

5. The magnetic tape cartridge of claim 4 wherein the predetermined location in non-volatile memory comprises location 200 h.

6. The magnetic tape cartridge of claim 1 wherein the backup memory comprises memory located on the tape drive.

7. The magnetic tape cartridge of claim 1 wherein the backup memory comprises memory located on an information handling system interfaced with the tape drive.

8. The magnetic tape cartridge of claim 1 further comprising instructions running on the tape drive operable to read the predetermined parameters from the non-volatile memory, to recognize the predetermined parameters as corrupt, and to read the predetermined parameters from the backup memory.

9. A method for storing information to a magnetic tape cartridge having a magnetic tape, the method comprising:

storing predetermined parameters in a primary memory of the magnetic tape cartridge, the predetermined parameters associated with performance of a write on the magnetic tape, the primary memory separate from the magnetic tape; and

storing the predetermined parameters in a backup memory for use if the primary memory becomes corrupt, the backup memory separate from the magnetic tape.

10. The method of claim 9 further comprising:

attempting to retrieve the predetermined parameters to perform a write on the magnetic tape;

determining the predetermined parameters are not retrievable; and

retrieving the predetermined parameters from the backup memory.

11. The method of claim 10 further comprising writing to the magnetic tape with the predetermined parameters retrieved from the backup memory.

12. The method of claim 9 wherein the magnetic tape cartridge comprises a Linear Tape Open Tape media and the primary memory comprises one or more Media Auxiliary Memory pages.

13. The method of claim 9 wherein the magnetic tape cartridge comprises a Linear Tape Open Tape media and storing the predetermined parameters in backup memory further comprises storing the predetermined parameters at location 200 h of a Cartridge Memory.

14. The method of claim 9 wherein storing the predetermined parameters in backup memory comprises storing the predetermined parameters on a tape drive.

15. The method of claim 9 wherein storing the predetermined parameters in backup memory comprises storing the predetermined parameters on an information handling system interfaced with a tape drive, the tape drive interacting with the magnetic tape cartridge.

16. An information handling system comprising:

plural processing components operable to process information;

a tape drive interfaced with the processing components and operable to write information to a magnetic tape cartridge and to read information from the magnetic tape cartridge;

a magnetic tape cartridge installed in the tape drive, the magnetic tape cartridge having a magnetic tape operable to store information and a non-volatile memory separate from the magnetic tape and operable to store parameters for use by the tape drive; and

a parameter module interfaced with the non-volatile memory, the parameter module operable to store the parameters in a primary location of the non-volatile memory and a backup location of the non-volatile memory.

17. The information handling system of claim 16 wherein the parameter module is further operable to read the parameters from the primary location, to determine the parameters are corrupt, to read the parameters from the backup location and to provide the parameters read from the secondary location to the tape drive for use in writing to the magnetic tape.

18. The information handling system of claim 16 wherein the non-volatile memory comprises a Cartridge Memory.

19. The information handling system of claim 16 wherein the primary location comprises a Media Auxiliary Memory.

20. The information handling system of claim 16 wherein the backup location comprises location 200 h in a Cartridge Memory.

Assignments (15)
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (053546/0001) Recorded Jun 23, 2022
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
To: DELL MARKETING L.P. (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO CREDANT TECHNOLOGIES, INC.); DELL INTERNATIONAL L.L.C.; DELL PRODUCTS L.P.; DELL USA L.P.; EMC CORPORATION; DELL MARKETING CORPORATION (SUCCESSOR-IN-INTEREST TO FORCE10 NETWORKS, INC. AND WYSE TECHNOLOGY L.L.C.); EMC IP HOLDING COMPANY LLC
Reel/Frame 071642/0001 →
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (045455/0001) Recorded May 20, 2022
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
To: DELL USA L.P.; DELL INTERNATIONAL L.L.C.; DELL PRODUCTS L.P.; DELL MARKETING CORPORATION (SUCCESSOR-IN-INTEREST TO FORCE10 NETWORKS, INC. AND WYSE TECHNOLOGY L.L.C.); DELL MARKETING CORPORATION (SUCCESSOR-IN-INTEREST TO ASAP SOFTWARE EXPRESS, INC.); DELL MARKETING L.P. (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO CREDANT TECHNOLOGIES, INC.); EMC CORPORATION (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO MAGINATICS LLC); EMC IP HOLDING COMPANY LLC (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO MOZY, INC.); SCALEIO LLC
Reel/Frame 061753/0001 →
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (040136/0001) Recorded Apr 26, 2022
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
To: DELL MARKETING CORPORATION (SUCCESSOR-IN-INTEREST TO ASAP SOFTWARE EXPRESS, INC.); DELL MARKETING L.P. (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO CREDANT TECHNOLOGIES, INC.); DELL USA L.P.; DELL INTERNATIONAL L.L.C.; DELL PRODUCTS L.P.; DELL MARKETING CORPORATION (SUCCESSOR-IN-INTEREST TO FORCE10 NETWORKS, INC. AND WYSE TECHNOLOGY L.L.C.); EMC CORPORATION (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO MAGINATICS LLC); EMC IP HOLDING COMPANY LLC (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO MOZY, INC.); SCALEIO LLC
Reel/Frame 061324/0001 →
RELEASE OF SECURITY INTEREST Recorded Nov 3, 2021
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: ASAP SOFTWARE EXPRESS, INC.; AVENTAIL LLC; CREDANT TECHNOLOGIES, INC.; DELL USA L.P.; DELL INTERNATIONAL, L.L.C.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL SOFTWARE INC.; DELL SYSTEMS CORPORATION; EMC CORPORATION; EMC IP HOLDING COMPANY LLC; FORCE10 NETWORKS, INC.; MAGINATICS LLC; MOZY, INC.; SCALEIO LLC; WYSE TECHNOLOGY L.L.C.
Reel/Frame 058216/0001 →
SECURITY AGREEMENT Recorded Apr 22, 2020
From: CREDANT TECHNOLOGIES INC.; DELL INTERNATIONAL L.L.C.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL USA L.P.; EMC CORPORATION; FORCE10 NETWORKS, INC.; WYSE TECHNOLOGY L.L.C.; EMC IP HOLDING COMPANY LLC
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.
Reel/Frame 053546/0001 →
SECURITY AGREEMENT Recorded Mar 21, 2019
From: CREDANT TECHNOLOGIES, INC.; DELL INTERNATIONAL L.L.C.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL USA L.P.; EMC CORPORATION; FORCE10 NETWORKS, INC.; WYSE TECHNOLOGY L.L.C.; EMC IP HOLDING COMPANY LLC
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.
Reel/Frame 049452/0223 →
SECURITY AGREEMENT Recorded Sep 21, 2016
From: ASAP SOFTWARE EXPRESS, INC.; AVENTAIL LLC; CREDANT TECHNOLOGIES, INC.; DELL USA L.P.; DELL INTERNATIONAL L.L.C.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL SOFTWARE INC.; DELL SYSTEMS CORPORATION; EMC CORPORATION; EMC IP HOLDING COMPANY LLC; FORCE10 NETWORKS, INC.; MAGINATICS LLC; MOZY, INC.; SCALEIO LLC; SPANNING CLOUD APPS LLC; WYSE TECHNOLOGY L.L.C.
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
Reel/Frame 040136/0001 →
SECURITY AGREEMENT Recorded Sep 21, 2016
From: ASAP SOFTWARE EXPRESS, INC.; AVENTAIL LLC; CREDANT TECHNOLOGIES, INC.; DELL USA L.P.; DELL INTERNATIONAL L.L.C.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL SOFTWARE INC.; DELL SYSTEMS CORPORATION; EMC CORPORATION; EMC IP HOLDING COMPANY LLC; FORCE10 NETWORKS, INC.; MAGINATICS LLC; MOZY, INC.; SCALEIO LLC; SPANNING CLOUD APPS LLC; WYSE TECHNOLOGY L.L.C.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 040134/0001 →
RELEASE OF SECURITY INTEREST Recorded Sep 14, 2016
From: BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS COLLATERAL AGENT
To: DELL MARKETING L.P.; ASAP SOFTWARE EXPRESS, INC.; APPASSURE SOFTWARE, INC.; COMPELLENT TECHNOLOGIES, INC.; CREDANT TECHNOLOGIES, INC.; DELL INC.; DELL PRODUCTS L.P.; DELL USA L.P.; DELL SOFTWARE INC.; FORCE10 NETWORKS, INC.; PEROT SYSTEMS CORPORATION; SECUREWORKS, INC.; WYSE TECHNOLOGY L.L.C.
Reel/Frame 040065/0618 →
RELEASE OF SECURITY INTEREST Recorded Sep 14, 2016
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: DELL MARKETING L.P.; ASAP SOFTWARE EXPRESS, INC.; APPASSURE SOFTWARE, INC.; COMPELLENT TECHNOLOGIES, INC.; CREDANT TECHNOLOGIES, INC.; DELL INC.; DELL PRODUCTS L.P.; DELL USA L.P.; DELL SOFTWARE INC.; FORCE10 NETWORKS, INC.; PEROT SYSTEMS CORPORATION; SECUREWORKS, INC.; WYSE TECHNOLOGY L.L.C.
Reel/Frame 040040/0001 →
RELEASE OF SECURITY INTEREST Recorded Sep 13, 2016
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
To: DELL MARKETING L.P.; ASAP SOFTWARE EXPRESS, INC.; APPASSURE SOFTWARE, INC.; COMPELLANT TECHNOLOGIES, INC.; CREDANT TECHNOLOGIES, INC.; DELL INC.; DELL PRODUCTS L.P.; DELL USA L.P.; DELL SOFTWARE INC.; FORCE10 NETWORKS, INC.; PEROT SYSTEMS CORPORATION; SECUREWORKS, INC.; WYSE TECHNOLOGY L.L.C.
Reel/Frame 040065/0216 →
PATENT SECURITY AGREEMENT (ABL) Recorded Jan 2, 2014
From: DELL INC.; APPASSURE SOFTWARE, INC.; ASAP SOFTWARE EXPRESS, INC.; BOOMI, INC.; COMPELLENT TECHNOLOGIES, INC.; CREDANT TECHNOLOGIES, INC.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL SOFTWARE INC.; DELL USA L.P.; FORCE10 NETWORKS, INC.; GALE TECHNOLOGIES, INC.; PEROT SYSTEMS CORPORATION; SECUREWORKS, INC.; WYSE TECHNOLOGY L.L.C.
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 031898/0001 →
PATENT SECURITY AGREEMENT (TERM LOAN) Recorded Jan 2, 2014
From: DELL INC.; APPASSURE SOFTWARE, INC.; ASAP SOFTWARE EXPRESS, INC.; BOOMI, INC.; COMPELLENT TECHNOLOGIES, INC.; CREDANT TECHNOLOGIES, INC.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL SOFTWARE INC.; DELL USA L.P.; FORCE10 NETWORKS, INC.; GALE TECHNOLOGIES, INC.; PEROT SYSTEMS CORPORATION; SECUREWORKS, INC.; WYSE TECHNOLOGY L.L.C.
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 031899/0261 →
PATENT SECURITY AGREEMENT (NOTES) Recorded Jan 2, 2014
From: APPASSURE SOFTWARE, INC.; ASAP SOFTWARE EXPRESS, INC.; BOOMI, INC.; COMPELLENT TECHNOLOGIES, INC.; CREDANT TECHNOLOGIES, INC.; DELL INC.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL SOFTWARE INC.; DELL USA L.P.; FORCE10 NETWORKS, INC.; GALE TECHNOLOGIES, INC.; PEROT SYSTEMS CORPORATION; SECUREWORKS, INC.; WYSE TECHNOLOGY L.L.C.
To: BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS FIRST LIEN COLLATERAL AGENT
Reel/Frame 031897/0348 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 11, 2008
From: LEOPOLD, PERRY; DEARLOVE, JOHN H., SR.; THEOBALD, WILLIAM; ELDIN, DINA
To: DELL PRODUCTS L.P.
Reel/Frame 020630/0820 →
Continuity (1)
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