To add a drive to your Greyhole storage pool. Open your HDA dashboard and navigate to the Shares tab. Then click on the Storage Pool sub-category. You will see a page similar to the one below.
== WARNING =={{Warning|<div style<nowiki>=</nowiki>"color:darkred">You should <u>'''NEVER'''</u> change or delete files in the shared directories (''/var/hda/files/*'' by default) directly on the HDA, using the terminal, or the Gnome file browser, for the shares for which you checked the ''Uses pool'' option in the Amahi dashboard. If you want to work with files on Greyhole shares on the HDA, you should [[Mount Shares Locally]].<br/>
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You should be safe reading existing files directly, or adding new files directly, as long as don't care that your new files will only be moved into the storage pool during the next check, which runs automatically at midnight (or manually using ''greyhole --fsck''). Until then, your new files will be stored in your shared directories (normally ''/var/hda/files/share_name/'').
Also, touching anything inside the '''gh''' directories that Greyhole creates at the root of your partitions is a recipe for disaster. [[Greyhole not on root | We strongly discourage you from using the root partition in a drive pool]].
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'''NOTE:''' All commands are executed as root user (Fedora) or preceded with sudo (Ubuntu).