# Temporal server down - Cassandra version compatibility check failed no connections were made when creating the session

**URL:** <https://community.temporal.io/t/temporal-server-down-cassandra-version-compatibility-check-failed-no-connections-were-made-when-creating-the-session/6058>\
**Category:** Server Deployment\
**Tags:** cassandra\
**Created:** [September 26, 2022, 11:00am UTC](https://community.temporal.io/t/temporal-server-down-cassandra-version-compatibility-check-failed-no-connections-were-made-when-creating-the-session/6058 "2022-09-26T11:00:46Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Yuvaraj\_Loganathan](https://sea2.discourse-cdn.com/flex016/user_avatar/community.temporal.io/yuvaraj_loganathan/32/243_2.png) [@Yuvaraj\_Loganathan](https://community.temporal.io/u/Yuvaraj_Loganathan)\
**Post date:** [July 13, 2025, 5:14pm UTC](https://community.temporal.io/t/temporal-server-down-cassandra-version-compatibility-check-failed-no-connections-were-made-when-creating-the-session/6058/4 "2025-07-13T17:14:37Z")

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> [@Temporal io restart problem on Kubernetes node restart](https://community.temporal.io/t/temporal-io-restart-problem-on-kubernetes-node-restart/566/29):
>
> The problem is temporal helm charts does not enable persitence by default. so any pod restart will loose the data.

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_[View the full topic](https://community.temporal.io/t/temporal-server-down-cassandra-version-compatibility-check-failed-no-connections-were-made-when-creating-the-session/6058)._