> ## Documentation Index
> Fetch the complete documentation index at: https://docs.wandb.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# How do I preserve run data from ephemeral environments?

Set `WANDB_DIR` to a directory on persistent storage to preserve local run data and diagnostic logs in ephemeral environments. Otherwise, files in the local `wandb/` directory can be lost when the pod or container is deleted.

See the following related articles:

* [How can I define the local location for `wandb` files?](/support/models/articles/how-can-i-define-the-local-location-for-)
* [Why is my run showing as crashed?](/support/models/articles/why-is-my-run-showing-as-crashed)
* [Environment variables](/models/track/environment-variables)

<Badge stroke shape="pill" color="orange" size="md">[Environment Variables](/support/models/tags/environment-variables)</Badge><Badge stroke shape="pill" color="orange" size="md">[Logs](/support/models/tags/logs)</Badge><Badge stroke shape="pill" color="orange" size="md">[Runs](/support/models/tags/runs)</Badge>