isle/docs/operator/contributing-storage.md

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# Contributing Storage
This document is for you if your host machine can be reliably be online at all
times and has 1GB or more of unused drive space you'd like to contribute to the
network.
## Edit `daemon.yml`
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Open your `/etc/isle/daemon.yml` file in a text editor, and find the
`storage.allocations` section.
Each allocation in the allocations list describes the space being contributed
from a single physical drive. If you only have one drive then you will only need
one allocation listed.
The comments in the file should be self-explanatory, but ask your admin if you
need any clarification.
Here is an example set of allocations for a host which is contributing space
from two separate drives:
```
storage:
allocations:
# 1.2 TB are being shared from drive1
- data_path: /mnt/drive1/isle/data
meta_path: /mnt/drive1/isle/meta
capacity: 1200
# 100 GB are being shared from drive2
- data_path: /mnt/drive2/isle/data
meta_path: /mnt/drive2/isle/meta
capacity: 100
```
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## Set Up Your Firewall
See the doc on [Firewalls](./firewalls.md), to be sure that your host's firewall
is properly set up for providing storage.
## Restart the Daemon
With the `daemon.yml` configured, you should restart your `isle daemon`
process.
The `isle daemon` will automatically allow the ports used for your
storage allocations in the vpn firewall.
## Removing Allocations
If you later decide to no longer provide storage simply remove the
`storage.allocations` item from your `/etc/isle/daemon.yml` file and restart the
`isle daemon` process.
Once removed, it is advisable to wait some time before turning off the daemon or
deleting the data from the data and meta directories which were previously
allocated to. This gives other hosts in the network time to offload all data
that yours was previously hosting.
## Further Reading
Isle uses the [garage][garage] project for its storage system. See the
[Managing Garage](managing-garage.md) document for more
information on how to interact directly with the garage instance being run by
isle.
[garage]: https://garagehq.deuxfleurs.fr/documentation/quick-start/