![]() ![]() If you do not want to lose this data, make a backup of the USB drive and SD card contents first. Note that by completing the steps in this article, you’ll erase the data on both your USB drive and SD card. A Windows or Mac PC also works, as long as you installed the Raspberry PI Imager software on it. Install the Raspberry PI Imager on Ubuntu, Debian, Fedora and openSUSEįor this article a Linux PC is optional.In case you did not yet install the Raspberry PI Imager software on your Linux PC, you can find step-by-step instructions here: I’ll use my openSUSE Tumbleweed based PC throughout this article, on which I already installed the Raspberry PI Imager software. Fix for getting your SSD working via USB 3 on your Raspberry PI.For more details and a potential fix, refer to article: Note that not all SATA to USB 3 adapters fully work with the Raspberry PI 3. For this tutorial, I’ll use a Samsung 860 EVO 250 GB SSD in combination with a Nedis USB 3.2 2.5″ SATA USB adapter. However, for the best performance I recommend a SATA or NVMe SSD drive with a suitable USB 3 adapter. Theoretically you can use a simple 4 GB or more USB flash stick for this tutorial. The Raspberry PI Imager software installed on your PC.This includes a power supply, SD card, HDMI cable, monitor, mouse and keyboard. To complete the steps outlined in this tutorial, you need the following: Move the Raspberry PI root file system to a USB drive.For step-by-step instructions on using this approach, refer to this tutorial: Just keep in mind that you get better disk I/O performance on a Raspberry PI 4, because it supports USB 3 ports. Since the boot operation only needs to reads from the SD card, you won’t run into SD card corruption problems. However, the actual operating system itself runs from the USB drive. With this approach, your Raspberry PI still boots from the SD card. The trick involves moving the root file system ( /) to a USB drive and just leave the boot file system ( \boot) on the SD card. However, with a little trick, you can reap the same benefits if you own an older model such as a Raspberry PI 1, 2, 3 or Zero. This article primarily focuses on booting a Raspberry PI 4, 400 and Compute Module 4 from a USB drive. It also covers how to enable the boot from USB feature in the boot EEPROM, in case this feature isn’t enabled yet. This article explains how to store an operating system for your Raspberry PI 4 on a USB drive, such that it can boot from USB. And here’s the best part: Most Raspberry PI 4 boards enable this feature by default! Only a small batch of early Raspberry PI 4 boards shipped with this feature disabled. ![]() To configure your Raspberry PI 4 to boot from a USB drive, you just need to enable this feature inside the boot code, stored in EEPROM. With the boot code stored in EEPROM, it persists even if you wipe or change the operating system. The older Raspberry PI models stored the boot code in a file called bootcode.bin on the boot file system ( /boot). Starting with the Raspberry PI 4, 400 and Compute Module 4, the boot code is stored in an EEPROM chip.
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