IP Library › Granted Patent US 9,489,150
Granted Patent B2
US 9,489,150 · App. 13/465,724 · Granted Nov 8, 2016

System and method for transferring data between different raid data storage types for current data and replay data

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Quick Facts
Patent No.
US 9,489,150
App. No.
13/465,724
Granted
Nov 8, 2016
Kind
B2
Abstract

The present disclosure relates to a data storage system including a RAID subsystem having a first and second type of RAID storage. A virtual volume configured to accept I/O is stored on the first type of RAID storage, and snapshots of the virtual volume are stored on the second type of RAID storage. A method of the present disclosure includes providing an active volume that accepts I/O and generating read-only snapshots of the volume. In certain embodiments, the active volume is converted to a snapshot. The active volume includes a first type of RAID storage, and the snapshots include a second type of RAID storage. The first type of RAID storage has a lower write penalty than the second type of RAID storage. In typical embodiments, the first type of RAID storage includes RAID 10 storage and the second type of RAID storage includes RAID 5 and/or RAID 6 storage.

Claims (27)

1. A method for transferring data between data storage types of a RAID storage system comprising:

providing an active volume of data storage space that accepts I/O; and

generating a read-only snapshot of the active volume;

wherein the active volume comprises a first type of RAID storage and the read-only snapshot comprises a second type of RAID storage.

2. The method of claim 1 , wherein the second type of RAID storage comprises at least one of RAID 5 or RAID 6 storage.

3. The method of claim 1 , wherein the first type of RAID storage comprises RAID 10 storage.

4. The method of claim 3 , wherein the second type of RAID storage comprises at least one of RAID 5 or RAID 6 storage.

5. The method of claim 1 , further comprising generating a view volume of the read-only snapshot that may accept I/O.

6. The method of claim 5 , wherein the view volume comprises a third type of RAID storage.

7. The method of claim 6 , wherein the third type of RAID storage is the same as the first type of RAID storage.

8. A method of transferring data between data storage types of a RAID storage system comprising:

providing an active volume comprising a first type of RAID storage, the active volume configured to accept I/O; and

converting the active volume to a read-only Point-In-Time Copy of the active volume;

wherein converting the active volume to a read-only Point-In-Time Copy comprises transferring the data from the first type of RAID storage to a second type of RAID storage.

9. The method of claim 8 , wherein the first type of RAID storage has a lower write penalty than the second type of RAID storage.

10. The method of claim 9 , wherein the second type of RAID storage comprises at least one of RAID 5 or RAID 6 storage.

11. The method of claim 9 , wherein the first type of RAID storage comprises RAID 10 storage.

12. The method of claim 11 , wherein the second type of RAID storage comprises at least one of RAID 5 or RAID 6 storage.

13. The method of claim 11 , further comprising generating a view volume of the read-only snapshot that may accept I/O, wherein the view volume comprises the first type of RAID storage.

14. A data storage system comprising:

a RAID subsystem comprising a first and second type of RAID storage;

a virtual volume configured to accept I/O, the virtual volume stored on the first type of RAID storage; and

one or more read-only snapshots of the virtual volume stored on the second type of RAID storage.

15. The data storage system of claim 14 , wherein the first type of RAID storage has a lower write penalty than the second type of RAID storage.

16. The data storage system of claim 15 , wherein the second type of RAID storage comprises at least one of RAID 5 or RAID 6 storage.

17. The data storage system of claim 15 , wherein the first type of RAID storage comprises RAID 10 storage.

18. The method of claim 17 , wherein the second type of RAID storage comprises at least one of RAID 5 or RAID 6 storage.

Assignments (16)
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
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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
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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
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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
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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
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SECURITY AGREEMENT Recorded Sep 21, 2016
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SECURITY AGREEMENT Recorded Sep 21, 2016
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