Perhaps the most important part about TrueNAS is the ability to efficiently store and share large amounts of data. The way this is accomplished is through setting up ZFS Pools. Creating a new Pool To set up a pool in TrueNAS, go to Storage > Pools and click ADD. Set Create a new pool and click CREATE POOL. First, …

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Adding Spare Devices ZFS provides the ability to have “hot” spares. These are drives that are connected to a pool, but not in use. If the pool experiences the failure of a data drive, the system uses the hot spare as a temporary replacement. If the failed drive is replaced with a new drive, the hot spare drive is no …

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