Granted Patent B2

US 11,681,450 · App. 17/350,072 · Granted Jun 20, 2023

Inventors: Michael Lee Burriss (Raleigh, NC); Colleen Marie Jacobson (Boylston, MA); Weixing Wang (Durham, NC); Mahadevan Vasudevan (Westborough, MA)

Assignee: EMC IP Holding Company, LLC

G06F3/0634G06F3/0604G06F3/0683H04L9/0894

Abstract

Claims (58)

1. A computer-implemented method, executed on a computing device, comprising:

receiving a re-initialization operation request for a storage array, the storage array including a plurality of self-encrypting drives;

determining a reversion state for each self-encrypting drive of the plurality of self-encrypting drives;

in response to determining that at least one self-encrypting drive is in an unreverted state, accessing at least one predefined reversion key for reverting the at least one self-encrypting drive from a predefined area of the storage array;

reverting each self-encrypting drive of the plurality of self-encrypting drives in the unreverted state to a reverted state using the at least one predefined reversion key; and

determining a state of the storage array as one of: a normal state; a faulted state; and an unknown state,

wherein in response to determining that the storage array is in the normal state:

reverting each self-encrypting drive in the unreverted state using a running operating system environment.

2. The computer-implemented method of claim 1 , in response to determining that the storage array is in the faulted state:

accessing, prior to the re-initialization operation, the at least one predefined key within the predefined area using a secondary operating system environment; and

reverting each self-encrypting drive in the unreverted state using the secondary operating system environment.

3. The computer-implemented method of claim 1 , further comprising:

defining at least one predefined engineering reversion key during initialization of the storage array; and

storing the at least one predefined engineering reversion key in the predefined area of the storage array.

4. The computer-implemented method of claim 3 , further comprising:

determining that the at least one predefined reversion key is inaccessible;

determining the at least one predefined engineering reversion key for reverting the plurality of self-encrypting drives; and

reverting each self-encrypting drive of the plurality of self-encrypting drives to a reverted state using the at least one predefined engineering reversion key.

5. The computer-implemented method of claim 1 , further comprising:

defining the at least one predefined reversion key for reverting the plurality of self-encrypting drives during initialization of the storage array; and

storing the at least one predefined reversion key in the predefined area of the storage array.

6. A computer program product residing on a non-transitory computer readable medium having a plurality of instructions stored thereon which, when executed by a processor, cause the processor to perform operations comprising:

receiving a re-initialization operation request for a storage array, the storage array including a plurality of self-encrypting drives;

determining a reversion state for each self-encrypting drive of the plurality of self-encrypting drives;

in response to determining that at least one self-encrypting drive is in an unreverted state, accessing at least one predefined reversion key for reverting the at least one self-encrypting drive from a predefined area of the storage array;

reverting each self-encrypting drive of the plurality of self-encrypting drives in the unreverted state to a reverted state using the at least one predefined reversion key; and

determining a state of the storage array as one of: a normal state; a faulted state; and an unknown state,

wherein in response to determining that the storage array is in the normal state:

reverting each self-encrypting drive in the unreverted state using a running operating system environment.

7. The computer program product of claim 6 , wherein the operations further comprise:

in response to determining that the storage array is in the faulted state:

accessing, prior to the re-initialization operation, the at least one predefined key within the predefined area using a secondary operating system environment; and

reverting each self-encrypting drive in the unreverted state using the secondary operating system environment.

8. The computer program product of claim 6 , wherein the operations further comprise:

defining at least one predefined engineering reversion key during initialization of the storage array; and

storing the at least one predefined engineering reversion key in the predefined area of the storage array.

9. The computer program product of claim 8 , wherein the operations further comprise:

determining that the at least one predefined reversion key is inaccessible;

determining the at least one predefined engineering reversion key for reverting the plurality of self-encrypting drives; and

reverting each self-encrypting drive of the plurality of self-encrypting drives to a reverted state using the at least one predefined engineering reversion key.

10. The computer program product of claim 6 , wherein the operations further comprise:

defining the at least one predefined reversion key for reverting the plurality of self-encrypting drives during initialization of the storage array; and

storing the at least one predefined reversion key in the predefined area of the storage array.

11. A computing system comprising:

a memory; and

a processor configured to receive a re-initialization operation request for a storage array, the storage array including a plurality of self-encrypting drives, wherein the processor is further configured to determine a reversion state for each self-encrypting drive of the plurality of self-encrypting drives, wherein the processor is further configured to, in response to determining that at least one self-encrypting drive is in an unreverted state, access at least one predefined reversion key for reverting the at least one self-encrypting drive from a predefined area of the storage array, wherein the processor is further configured to revert each self-encrypting drive of the plurality of self-encrypting drives in the unreverted state to a reverted state using the at least one predefined reversion key, wherein the processor is further configured to determine a state of the storage array as one of: a normal state; a faulted state; and an unknown state, and wherein the processor is further configured to: in response to determining that the storage array is in the normal state:

revert each self-encrypting drive in the unreverted state using a running operating system environment.

12. The computing system of claim 11 , wherein the processor is further configured to:

in response to determining that the storage array is in the faulted state:

access, during the re-initialization operation, the at least one predefined key within the predefined area using a secondary operating system environment; and

revert each self-encrypting drive in the unreverted state using the secondary operating system environment.

13. The computing system of claim 11 , wherein the processor is further configured to:

define at least one predefined engineering reversion key during initialization of the storage array; and

store the at least one predefined engineering reversion key in the predefined area of the storage array.

14. The computing system of claim 13 , wherein the processor is further configured to:

determine that the at least one predefined reversion key is inaccessible;

determine the at least one predefined engineering reversion key for reverting the plurality of self-encrypting drives; and

revert each self-encrypting drive of the plurality of self-encrypting drives to a reverted state using the at least one predefined engineering reversion key.

Assignments (8)

Continuity (1)