Using failed storage device in peer-to-peer storage system to perform storage-centric task
Methods, systems, and other aspects for using a failed storage device in a peer-to-peer (P2P) storage system to perform a storage-centric task. For example, a method may include, responsive to a detection of a failed storage device in a P2P storage system, determining, by the failed storage device, that a storage-centric task is assigned to the failed storage device; and performing, by the failed storage device, the storage-centric task responsive to P2P communications with a functioning storage device in the P2P storage system.
1. A computer-implemented method, comprising:
responsive to a detection of a failed storage device in a peer-to-peer (P2P) storage system:
determining, by the failed storage device, that a storage-centric task is assigned to the failed storage device; and
performing, by the failed storage device, the storage-centric task responsive to P2P communications with a functioning storage device in the P2P storage system.
2. The computer-implemented method of claim 1 , wherein performing the storage-centric task includes:
receiving input data associated with the storage-centric task via the P2P communications from the functioning storage device; and
performing the storage-centric task using the input data received from the functioning storage device.
3. The computer-implemented method of claim 1 , wherein performing the storage-centric task includes:
generating output data; and
sending the output data via the P2P communications to the functioning storage device.
4. The computer-implemented method of claim 1 , wherein a functioning compute resource in the failed storage device performs the storage-centric task.
5. The computer-implemented method of claim 1 , wherein the P2P communications include at least one of a P2P read command and a P2P write command that are issued by the failed storage device to the functioning storage device.
6. The computer-implemented method of claim 1 , wherein:
the P2P storage system includes a controller; and
the controller assigns the storage-centric task to the failed storage device based on a load balancing policy for the P2P storage system.
7. The computer-implemented method of claim 6 , wherein the detection of the failed storage device causes a change in a weighting of the load balancing policy.
8. The computer-implemented method of claim 1 , wherein:
the storage-centric task comprises a pattern matching task; and
the failed storage device performs the pattern matching task on a dataset stored on the functioning storage device.
9. An apparatus, comprising:
one or more processors; and
logic, executable by the one or more processors, configured to perform operations comprising:
responsive to a detection of a failed storage device in a peer-to-peer (P2P) storage system:
determining, by the failed storage device, that a storage-centric task is assigned to the failed storage device; and
performing, by the failed storage device, the storage-centric task responsive to P2P communications with a functioning storage device in the P2P storage system.
10. The apparatus of claim 9 , wherein the performing the storage-centric task includes:
receiving input data associated with the storage-centric task via the P2P communications from the functioning storage device; and
performing the storage-centric task using the input data received from the functioning storage device.
11. The apparatus of claim 9 , wherein the performing the storage-centric task includes:
generating output data; and
sending the output data via the P2P communications to the functioning storage device.
12. The apparatus of claim 9 , wherein a functioning compute resource in the failed storage device is configured to perform the storage-centric task.
13. The apparatus of claim 9 , wherein the P2P communications include at least one of a P2P read command and a P2P write command that are issued by the failed storage device to the functioning storage device.
14. The apparatus of claim 9 , wherein:
the P2P storage system includes a controller; and
the controller is configured to assign the storage-centric task to the failed storage device based on a load balancing policy for the P2P storage system.
15. The apparatus of claim 14 , wherein the detection of the failed storage device is configured to cause a change in a weighting of the load balancing policy.
16. A computer-implemented method, comprising:
detecting a failed storage device in a peer-to-peer (P2P) storage system; and
responsive to detecting the failed storage device:
assigning a storage-centric task to the failed storage device, the storage-centric task to be performed by the failed storage device responsive to P2P communications with a functioning storage device in the P2P storage system; and
detecting a completion of the storage-centric task by the failed storage device.
17. The computer-implemented method of claim 16 , wherein a functioning compute resource in the failed storage device performs the storage-centric task.
18. The computer-implemented method of claim 16 , wherein the P2P communications include at least one of a P2P read command and a P2P write command that are issued by the failed storage device to the functioning storage device.
19. The computer-implemented method of claim 16 , wherein:
the P2P storage system includes a controller; and
the controller assigns the storage-centric task to the failed storage device based on a load balancing policy for the P2P storage system.
20. A system, comprising:
means for detecting a failed storage device in a plurality of storage devices;
means for assigning a storage-centric task to the failed storage device in response to detecting the failed storage device; and
means for performing the storage-centric task responsive to peer-to-peer (P2P) communications with a functioning storage device in the plurality of storage devices.