![]() Use "Mac OS Extended (Journaled)" as the format type and name appropriately * Use Disk Utility's controls to divide the drive as needed, even as a single large partition. * Click the Partition tab (if it doesn't appear, you selected the volume, not the drive hardware above it) * Select the external drive hardware in the sidebar Here are the instructions that Dave Nanian, the developer of the venerable cloning program SuperDuper! emailed me:įirst, prepare the new drive (in a drive dock or similar) by partitioning it: Tom, thanks for taking the time to reply. Tell the MBP to boot from the external SSD and reboot, as a quick check that things worked. My MacBook only has USB 2.0.Do I still want the USB 3.0? Is this the same as what I see referred to as an "enclosure"? I take it that I want a "box" that I can stuff either the SSD or the olkd HDD into that protects it and provides a way to connect to the MacBook? Get a tool-free, bus-powered USB 3.0 notebook drive case. I have a 1TB external drive that I use for Time Machine backups. Note: You can bypass the selected boot disk (one-shot) by using Startup Manager. You can keep it as a "backup as of the time of the upgrade", or use it going forward, depending on what is more convenient for you. Tell the MBP to boot from the external SSD and reboot, as a quick check that things worked.Īfter you have installed the SSD in the MBP, take the old HDD and put it into the tool-free case. Put the SSD into it, and use software to clone the internal HDD to the external SSD. Make sure you have at least one up-to-date external backup of your current internal HDD before doing anything. How do I ensure that the machine will boot up from the new drive? A cloning software product like Carbon Copy Cloner to make the actual backup. ![]() ![]() If you decide to format a drive in Disk Utility to set it to Mac OS Extended, you may notice that there are four different types available.In particular, should I use a cloning software product like Carbon Copy Cloner or should I use the Apple Disk Utility?ĭisk Utility to do formatting. You should consider Mac OS Extended if you're looking to use your drive for any of these purposes. Similarly, Time Machine and Fusion Drive only work with Mac OS Extended and not APFS (yet). This doesn't mean that you can't format an HDD to APFS-it's just that many of the speed and performance enhancements that APFS brings rely on using a high-speed SSD or portable flash memory drive. This is why it's recommended to format drives you intend to use with older macOS releases to Mac OS Extended (Journaled).Īnother benefit of using Mac OS Extended is that it's optimized for mechanical hard drives (HDDs), whereas APFS was specifically created to work well with Solid State Drives (SSDs). Thus, if you're using an older Mac, you'll need to either keep using Mac OS Extended or use an alternative such as ExFAT instead.įor example, if you have an external drive formatted with APFS and connect it to a Mac running macOS El Capitan, your Mac wouldn't be able to access and read the data stored on the drive. The biggest downside to using APFS is that Macs with older macOS versions (macOS 10.12.6 Sierra and older) can't read, write, or access drives that use it. This, alongside its speed and optimization improvements, makes APFS a great file system format. Similarly, improvements to metadata mean it's very quick to determine file details, such as how much space a folder is taking on your drive.ĪPFS is also more reliable, leading to less file corruption when compared to Mac OS Extended. It became the default format with 2017's macOS High Sierra and offers many benefits over Mac OS Extended, the previous default.ĪPFS is much faster at basically everything-data handling, copying, and pasting are quicker. If you've recently bought a Mac or moved over from Windows, you may be wondering-what is the AFPS format? APFS, or Apple File System, is Apple's newer file system for solid-state drives and flash memory. ![]() But what's the difference between both, and which one should you choose? Here, we'll discuss both file systems and offer a comparison to help you decide. ![]()
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