Scalable solid-state storage system and methods thereof

1. A method executed by one or more processors, comprising:

assigning a first namespace to a second instance of a storage operating system for enabling read and write access to a first portion of a flash storage system by the second instance, wherein the first namespace is used by a first instance of the storage operating system for direct read-only access to the first portion via a direct read path;

assigning a second namespace to the first instance for exclusive read and write access within a second portion of the flash storage system;

generating, by the first instance, a request for the second instance to transfer a data object from the second portion that is owned by the first instance to the first portion;

in response to the request, storing, by the second instance, the data object at the first portion; and

updating, by the first instance using the second namespace metadata associated with the data object, the updated metadata stored at the second portion, the updated metadata indicating a storage location at the first portion where the data object is stored, after the transfer.

2. The method of claim 1 , further comprising:

utilizing, by the first instance, the updated metadata stored at the second portion to retrieve the data object from the first portion, in response to a read request for the data object received by the first instance.

3. The method of claim 1 , further comprising:

identifying, by the first instance, that the data object has become cold and in response, transmitting the request to the second instance.

4. The method of claim 1 , wherein updating the metadata of the data object at the second portion comprising:

storing a pointer at the second portion, the pointer pointing to the storage location of the data object at the first portion.

5. The method of claim 1 , wherein the first portion comprises of a first type of solid-state drive and the second portion comprises a second type of solid-state drive.

6. The method of claim 5 , wherein the first type is a capacity tier with storage performance lower than the second type.

7. The method of claim 1 , wherein the first namespace is a zoned namespace for providing shared read-only access to the first instance to the first portion while providing both read and write access to the first portion by the second instance.

8. A non-transitory, machine-readable storage medium having stored thereon instructions comprising machine executable code, which when executed by a machine, causes the machine to:

assign a first namespace to a second instance of a storage operating system for enabling read and write access to a first portion of a flash storage system by the second instance, wherein the first namespace is used by a first instance of the storage operating system for direct read-only access to the first portion via a direct read path;

assign a second namespace to the first instance for exclusive read and write access within a second portion of the flash storage system;

generate, by the first instance, a request for the second instance to transfer a data object from the second portion that is owned by the first instance to the first portion;

in response to the request, store, by the second instance, the data object at the first portion; and

update, by the first instance using the second namespace metadata associated with the data object, the updated metadata stored at the second portion, the updated metadata indicating a storage location at the first portion where the data object is stored, after the transfer.

9. The non-transitory, machine readable storage medium of claim 8 , wherein the machine executable code further causes the machine to:

utilize, by the first instance, the updated metadata stored at the second portion to retrieve the data object from the first portion, in response to a read request for the data object received by the first instance.

10. The non-transitory, machine readable storage medium of claim 8 , wherein the machine executable code further causes the machine to:

identify, by the first instance, that the data object has become cold and in response, transmitting the request to the second instance.

11. The non-transitory, machine readable storage medium of claim 8 , wherein the machine executable code further causes the machine to:

store a pointer at the second portion, the pointer pointing to the storage location of the data object at the first portion.

12. The non-transitory, machine readable storage medium of claim 8 , wherein the first portion comprises of a first type of solid-state drive and the second portion comprises a second type of solid-state drive.

13. The non-transitory, machine readable storage medium of claim 12 , wherein the first type is a capacity tier with storage performance lower than the second type.

14. The non-transitory, machine readable storage medium of claim 8 , the first namespace is a zoned namespace for providing shared read-only access to the first instance to the first portion while providing both read and write access to the first portion by the second instance.

15. A system, comprising:

a memory containing machine readable medium comprising machine executable code having stored thereon instructions; and a processor coupled to the memory to execute the machine executable code to:

assign a first namespace to a second instance of a storage operating system for enabling read and write access to a first portion of a flash storage system by the second instance, wherein the first namespace is used by a first instance of the storage operating system for direct read-only access to the first portion via a direct read path;

assign a second namespace to the first instance for exclusive read and write access within a second portion of the flash storage system;

generate, by the first instance, a request for the second instance to transfer a data object from the second portion that is owned by the first instance to the first portion;

in response to the request, store, by the second instance, the data object at the first portion; and

update, by the first instance using the second namespace metadata associated with the data object, the updated metadata stored at the second portion, the updated metadata indicating a storage location at the first portion where the data object is stored, after the transfer.

16. The system of claim 15 , wherein the machine executable code further causes to:

utilize, by the first instance, the updated metadata stored at the second portion to retrieve the data object from the first portion, in response to a read request for the data object received by the first instance.

17. The system of claim 15 , wherein the machine executable code further causes to:

identify, by the first instance, that the data object has become cold and in response, transmitting the request to the second instance.

18. The system of claim 15 , wherein the machine executable code further causes to:

store a pointer at the second portion, the pointer pointing to the storage location of the data object at the first portion.

19. The system of claim 15 , wherein the first portion comprises of a first type of solid-state drive and the second portion comprises a second type of solid-state drive, the first type is a capacity tier with storage performance lower than the second type.

20. The system of claim 15 , wherein the first namespace is a zoned namespace for providing shared read-only access to the first instance to the first portion while providing both read and write access to the first portion by the second instance.