Deployment Architecture
Highlighted

How can I resolve this error I get from adding a new search head to my indexer clustering environment?

Splunk Employee
Splunk Employee

After I added a new search head to my indexer cluster environment, I started getting "Error = 'Couldn't deserialize, err=Deserialization failed parsing unsigned long long"

The searchhead is unable to update the peer information. Error = 'Couldn't deserialize, err=Deserialization failed parsing unsigned long long. key=num_buckets not found in json={"cluster_label":"00000000-0000-0000-0000-000000000001","eai:acl":null,"generation_id":839,"generation_peers":
0 Karma
Highlighted

Re: How can I resolve this error I get from adding a new search head to my indexer clustering environment?

Splunk Employee
Splunk Employee

You are getting that error because Splunk has strict versioning requirements within indexer clustering.

The cluster Master Node version must be greater than or equal to the Search Head.
The Search Head version must be greater than or equal to Search Peers.
ie. CM version => SH version => peers version

View solution in original post