Managing client devices associated with storage nodes in a scale-out storage system

1. A management node of a scale-out system, the management node comprising:

a processor; and

a memory including instructions that are executable by the processor for causing the processor to:

determine, from among a plurality of storage nodes of the scale-out system, that a first storage node is uncoupled to a backup power supply and that a second storage node is coupled to the backup power supply, each storage node of the plurality of storage nodes being configured to analyze their hardware to detect a presence of the backup power supply and send an indication of the presence to the management node;

receive device characteristics describing a first type of workload and a configuration for a client device associated with the first storage node, the configuration specifying a second type of a plurality of resources of the client device and a number of each resource of the plurality of resources;

determine the client device satisfies a migration policy based on the device characteristics; and

migrate the client device to the second storage node based on the client device satisfying the migration policy.

2. The management node of claim 1 , wherein the client device is a first client device and the memory further includes instructions that are executable by the processor for causing the processor to:

receive, from the first storage node, device characteristics describing the first type of workload and the configuration for a second client device associated with the first storage node;

determine the second client device does not satisfy the migration policy; and

maintain the second client device association with the first storage node.

3. The management node of claim 1 , wherein each storage node in the plurality of storage nodes is configured to determine the device characteristics and responsively transmit a status communication indicating the device characteristics to the management node.

4. The management node of claim 1 , wherein the memory further includes instructions that are executable by the processor for causing the processor to:

receive device characteristics for each storage node in the plurality of storage nodes; and

generate a recommendation indicating a number of the plurality of storage nodes to be coupled to one or more backup power supplies based on the device characteristics.

5. The management node of claim 1 , wherein the memory further includes instructions that are executable by the processor for causing the processor to enable write-back caching for the second storage node based on the second storage node being coupled to one or more backup power supplies.

6. The management node of claim 1 , wherein the migration policy comprises the first type of workload being a write-intensive workload.

7. The management node of claim 1 , wherein the migration policy comprises the configuration of the client device includes a spinning disk drive.

8. A computer-implemented method comprising:

determining, from among a plurality of storage nodes of a scale-out system, that a first storage node is uncoupled to a backup power supply and that a second storage node is coupled to the backup power supply, each storage node of the plurality of storage nodes being configured to analyze their hardware to detect a presence of the backup power supply and send an indication of the presence to the management node;

receiving device characteristics describing a first type of workload and a configuration for a client device associated with the first storage node, the configuration specifying a second type of a plurality of resources of the client device and a number of each resource of the plurality of resources;

determining the client device satisfies a migration policy based on the device characteristics; and

migrating the client device to the second storage node based on the client device satisfying the migration policy.

9. The method of claim 8 , wherein the client device is a first client device and the method further comprises:

receiving, from the first storage node, device characteristics describing the first type of workload and the configuration for a second client device associated with the first storage node;

determining the second client device does not satisfy the migration policy; and

maintaining the second client device association with the first storage node.

10. The method of claim 8 , wherein each storage node in the plurality of storage nodes is configured to determine the device characteristics and responsively transmit a status communication indicating the device characteristics to a management node of the scale-out system.

11. The method of claim 8 , further comprising:

receiving device characteristics for each storage node in the plurality of storage nodes; and

generating a recommendation indicating a number of the plurality of storage nodes to be coupled to one or more backup power supplies based on the device characteristics.

12. The method of claim 8 , further comprising enabling write-back caching for the second storage node based on the second storage node being coupled to one or more backup power supplies.

13. The method of claim 8 , wherein the migration policy comprises the first type of workload being a write-intensive workload.

14. The method of claim 8 , wherein the migration policy comprises the configuration of the client device includes a spinning disk drive.

15. A non-transitory computer-readable medium comprising program code that is executable by a processor for causing the processor to:

determine, from among a plurality of storage nodes of a scale-out system, that a first storage node is uncoupled to a backup power supply and that a second storage node is coupled to the backup power supply, each storage node of the plurality of storage nodes being configured to analyze their hardware to detect a presence of the backup power supply and send an indication of the presence to the management node;

receive device characteristics describing a first type of workload and a configuration for a client device associated with the first storage node, the configuration specifying a second type of a plurality of resources of the client device and a number of each resource of the plurality of resources;

determine the client device satisfies a migration policy based on the device characteristics; and

migrate the client device to the second storage node based on the client device satisfying the migration policy.

16. The non-transitory computer-readable medium of claim 15 , wherein the client device is a first client device and further comprising program code that is executable by the processor for causing the processor to:

receive, from the first storage node, device characteristics describing the first type of workload and the configuration for a second client device associated with the first storage node;

determine the second client device does not satisfy the migration policy; and

maintain the second client device association with the first storage node.

17. The non-transitory computer-readable medium of claim 15 , wherein each storage node in the plurality of storage nodes is configured to determine the device characteristics and responsively transmit a status communication indicating the device characteristics to a management node of the scale-out system.

18. The non-transitory computer-readable medium of claim 15 , further comprising program code that is executable by the processor for causing the processor to:

receive device characteristics for each storage node in the plurality of storage nodes; and

generate a recommendation indicating a number of the plurality of storage nodes to be coupled to one or more backup power supplies based on the device characteristics.

19. The non-transitory computer-readable medium of claim 15 , further comprising program code that is executable by the processor for causing the processor to enable write-back caching for the second storage node based on the second storage node being coupled to one or more backup power supplies.

20. The non-transitory computer-readable medium of claim 15 , wherein the migration policy comprises the first type of workload being a write-intensive workload.