this post was submitted on 06 Mar 2024
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I am building my 3-2-1 backup system and wanted to add an external HD to my TrueNAS machine. Since it only works with ZFS, I thought of setting up that drive as a compressed, dedup ZFS volume.

I have a truckload of NVMe left on the boot drive that I could repartition and turn some of the free space as a dedup vdev for the backup drive. I don't have any other physical bays to add a dedicated drive on the machine.

A) Is that a bad idea? What are the downsides of using the boot drive like that?

B) Which tool do you recommend for local backup? I'm looking for actual incremental backup, not just a sync tool.

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[–] Deckweiss@lemmy.world 4 points 8 months ago