![]() ![]() ![]() It is a good idea to keep your Raspberry Pi off Wi-Fi network to ensure the best possible performance during backups. So far it has served me well without any issues.Įthernet cable. Those are sold at Costco (and frequently go on sale). I purchased and use Seagate 5TB USB 3.0 2.5 inch external hard drive. Any will do as long as it’s roomy enough for your backup needs and has USB 3.0 interface. We will be preparing bootable microSD media using a Mac.Įxternal USB hard drive / SSD. MicroSD card reader that works with a Mac. Majority of kits include one, otherwise you will need to get it, 4GB or larger capacity. If you decide to go this route, I highly recommend getting a set of heatsinks as well, for some reason aluminum case CanaKit kits come with no heatsinks for memory or IO chips ¯\_(ツ)_/¯ I also prefer passive cooling cases, and CanaKit has a few SKUs including those - I believe CanaKit rebrands cases made by Flirc. They come with beefier 3.5 amp power supplies guaranteeing there will be enough juice to power an external 2.5 inch spinning hard drive. While you can use almost any model of Raspberry Pi, I recommend Pi 4 simply because it features USB 3.0, which significantly improves speed of writing / reading to and from external hard drives and its Gigabit Ethernet port throughput is not capped at 300Mbps. Here is a paper from Carnegie Mellon University produced for US-CERT discussing the topic in more details. Please note, just backing up your Mac to an external drive or network attached storage without sending those backups also off premises does not constitute a solid data backup and recovery strategy. I also assume that the Time Machine backups will be encrypted, so we won’t be dealing with encryption on the Raspberry Pi end. You are not afraid of Terminal and comfortable with command line. Since we are talking about Time Machine, I assume you have at least one Mac in your possession with working SSH client. A few things to get out of the way before proceeding: This is a step-by-step, start-to-finish guide to configure a Raspberry Pi as a network storage device for macOS Time Machine backups.
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