IP Library Granted Patent US 11,435,927
Granted Patent B2
US 11,435,927 · App. 17/084,876 · Granted Sep 6, 2022

Protected saveset volume movement via metadata bootstrap

Inventors: Michael Roche (Hamilton, CA); Ashish Goyal (Bangalore, IN); Scott Quesnelle (Burlington, CA); Kiran Kumar Malle Gowda (Bangalore, IN)
Assignee: EMC IP HOLDING COMPANY LLC
G06F3/0644G06F3/0604G06F3/067G06F9/4401G06F16/41G06F16/435G06F16/48
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Quick Facts
Patent No.
US 11,435,927
App. No.
17/084,876
Granted
Sep 6, 2022
Kind
B2
Abstract

One example method includes moving a volume from a source server to a target server. In one example, the volume is moved and the need to copy the source data is eliminated. The volume to be moved is selected and metadata associated with the save sets stored on the volume is exported to a volume bootstrap, which is also stored on the selected volume. The volume is mounted or attached to the target server and the metadata is imported from the volume bootstrap. The volume is made read/write and is moved from the source server to the target server.

Claims (29)

1. A method, comprising:

selecting a volume attached to a source server to move from the source server to a target server;

creating a volume bootstrap on the selected volume;

exporting metadata associated with save sets stored on the selected volume into the volume bootstrap, wherein the volume bootstrap is stored on the selected volume;

mounting the volume as read only to the target server;

importing the metadata in the volume bootstrap to the target server such that the volume is moved to the target server without copying the data from the volume; and

resolving conflicts related to clients in the metadata and clients of the target server.

2. The method of claim 1 , further comprising exporting metadata including at least portions of a media database, index records, and a resource database into the volume bootstrap.

3. The method of claim 2 , wherein the exported metadata includes all metadata relevant to save sets stored on the selected volume.

4. The method of claim 1 , further comprising making the selected volume writable and readable to the target server and removing the selected volume from a data zone of the source server.

5. The method of claim 1 , wherein conflicts are identified based on a host name, save set names, and whether a host name matches an alias of the source server or the target server.

6. The method of claim 1 , further comprising identifying the save sets from a media database and identifying clients from the save sets.

7. The method of claim 1 , further comprising ensuring that all volumes associated with a client are moved to the target server.

8. The method of claim 1 , further comprising moving an incremental volume to the target server.

9. The method of claim 1 , further comprising retrieving the metadata from the selected volume.

10. A non-transitory storage medium having stored therein instructions that are executable by one or more hardware processors to perform operations comprising: selecting a volume attached to a source server to move from the source server to a target server;

creating a volume bootstrap on the selected volume;

exporting metadata associated with save sets stored on the selected volume into the volume bootstrap, wherein the volume bootstrap is stored on the selected volume;

mounting the volume as read only to the target server;

importing the metadata in the volume bootstrap to the target server such that the volume is moved to the target server without copying the data from the volume; and

resolving conflicts related to clients in the metadata and clients of the target server.

11. The non-transitory storage medium of claim 10 , further comprising exporting metadata including at least portions of a media database, index records, and a resource database into the volume bootstrap.

12. The non-transitory storage medium of claim 11 , wherein the exported metadata includes all metadata relevant to save sets stored on the selected volume.

13. The non-transitory storage medium of claim 10 , further comprising making the selected volume writable and readable to the target server and removing the selected volume from a data zone of the source server.

14. The non-transitory storage medium of claim 10 , wherein conflicts are identified based on a host name, save set names, and whether a host name matches an alias of the source server or the target server.

15. The non-transitory storage medium of claim 10 , further comprising identifying the save sets from a media database and identifying clients from the save sets.

16. The non-transitory storage medium of claim 10 , further comprising ensuring that all volumes associated with a client are moved to the target server.

17. The non-transitory storage medium of claim 10 , further comprising moving an incremental volume to the target server.

18. The non-transitory storage medium of claim 10 , further comprising retrieving the metadata from the selected volume.

Assignments (9)
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (054475/0523) Recorded Jun 10, 2022
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
To: EMC IP HOLDING COMPANY LLC; DELL PRODUCTS L.P.
Reel/Frame 060332/0664 →
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (054475/0434) Recorded Jun 10, 2022
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
To: EMC IP HOLDING COMPANY LLC; DELL PRODUCTS L.P.
Reel/Frame 060332/0740 →
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (054475/0609) Recorded Jun 10, 2022
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
To: EMC IP HOLDING COMPANY LLC; DELL PRODUCTS L.P.
Reel/Frame 062021/0570 →
RELEASE OF SECURITY INTEREST AT REEL 054591 FRAME 0471 Recorded Nov 2, 2021
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: DELL PRODUCTS L.P.; EMC IP HOLDING COMPANY LLC
Reel/Frame 058001/0463 →
SECURITY INTEREST Recorded Nov 18, 2020
From: EMC IP HOLDING COMPANY LLC; DELL PRODUCTS L.P.
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS COLLATERAL AGENT
Reel/Frame 054475/0609 →
SECURITY INTEREST Recorded Nov 18, 2020
From: EMC IP HOLDING COMPANY LLC; DELL PRODUCTS L.P.
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
Reel/Frame 054475/0434 →
SECURITY INTEREST Recorded Nov 18, 2020
From: EMC IP HOLDING COMPANY LLC; DELL PRODUCTS L.P.
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
Reel/Frame 054475/0523 →
SECURITY AGREEMENT Recorded Nov 13, 2020
From: EMC IP HOLDING COMPANY LLC; DELL PRODUCTS L.P.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
Reel/Frame 054591/0471 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 30, 2020
From: ROCHE, MICHAEL; GOYAL, ASHISH; QUESNELLE, SCOTT; MALLE GOWDA, KIRAN KUMAR
To: EMC IP HOLDING COMPANY LLC
Reel/Frame 054221/0357 →