I’m seeking opinions on a local network-available backup storage medium. All my machines would back up to this volume. I have a spare local machine running headless and I’m tempted to just plug in some external drives on a RAID 1 configuration, but should I get a NAS? Dunno.

Okay, I've ordered a pair of 6TB external drives for RAID-redundant Time Machine backups, should be here next weekend 🙌 A lot cheaper than a NAS 😅 Thanks for the validation all!

The RAID array is all set up and working :+1: I had some trouble getting macOS Time Machine to behave, but figured it out eventually. Two drives -> RAID 1 array -> Encrypted APFS format -> two APFS volumes (one for each computer to use as a TM backup destination).

The initial backup, over wifi, took a few days 😅 But it did finish, and incremental backups are quick!

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@angristan not to my understanding. RAID is support by the OS independent of the file system. but within the APFS system (which is mirrored with RAID 1) there are two APFS volumes, which are like partitions except both have access to as much free space as is available on the disk.

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