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The `CLUSTER ADDSLOTSRANGE` is similar to the `CLUSTER ADDSLOTS` command in that they both assign hash slots to nodes.
The difference between the two commands is that `ADDSLOTS` takes a list of slots to assign to the node, while `ADDSLOTSRANGE` takes a list of slot ranges (specified by start and end slots) to assign to the node.
## Example
To assign slots 1 2 3 4 5 to the node, the `ADDSLOTS` command is:
> CLUSTER ADDSLOTS 1 2 3 4 5
OK
The same operation can be completed with the following `ADDSLOTSRANGE` command:
> CLUSTER ADDSLOTSRANGE 1 5
OK
## Usage in Redis Cluster
This command only works in cluster mode and is useful in the following Redis Cluster operations:
1. To create a new cluster ADDSLOTSRANGE is used in order to initially setup master nodes splitting the available hash slots among them.
2. In order to fix a broken cluster where certain slots are unassigned.
@return
@simple-string-reply: `OK` if the command was successful. Otherwise an error is returned.
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