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!

@ashfurrow For future reference, time machine backups run on a very low QoS priority to avoid hogging the CPU. You can temporarily increase the priority by running this command:

sudo sysctl debug.lowpri_throttle_enabled=0

Run again with enabled=1 to revert it to normal speeds later (this not only affects time machine so could have unknown side effects on other processes, probably nothing serious tho)

@brunoph cool! would be ran on the machine that’s backing up over the network, or the machine which is serving the shared drive? both, probably 😂

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