On the top menu, click Erase.You have just purchased a brand new hard drive for your Mac. For the best result, select the disk (the highest option in the external tree). You can find this on the left-hand side of the screen under External Hard Drives. Click the external hard drive you want to format. Then click View in the top-left corner of the window and select Show All Devices.In the Disk Utility app on your Mac, choose View > Show All Devices. You will see the contents of the HFS+. When you purchased the drive, the sales person told you that it was Mac compatible, just plug it in and go to work.Connect your Mac-formatted drive on your Windows PC and select ‘ Load file system from the device’ from File in the menu bar.
![]() You could divide a one terabyte drive into three volumes or partitions. Partitioning a drive, creating additional volumes, is most often done for organizational purposes. The second name is the name of the 'Volume'.Using Disk Utility, we can 'partition' or divide up the space on the hard drive into smaller, independent sections called 'volumes'. This name includes the formatted size of the drive and the name or abbreviated name of the manufacture. If the drive is to be used as a media drive for video editing, then for the best speed performance, avoid using partitions.I have a 'Partitioning a Hard Drive' article for you, if you want to read up on partitioning, but the reason for this article is to address the common confusions and questions when people use Disk Utility for the first time. Volumes are 'virtual drives'. A hard drive with three volumes will show on the desk top as three separate drives. If we have more than one volume on a hard drive, each volume will show on the desk top as a discrete or distinct drive. If you select either the physical hard drive or the volume and the tool you want to use is grayed out and not available, then simply select the other name in the left hand column.Okay, back to formatting. With some of the Disk Utility tools it does not matter which you select, the physical hard drive or the volume. Other tools are applied to Volumes, like First Aid or Erase. Some of the Disk Utility tools are applied to the Hard Drive itself, like Partition. The reason that Disk Utility shows drives and volumes in this way is because Disk Utility has a number of different tools, First Aid, Erase, Partition, RAID, Restore, Repair Permissions, Verify and Repair Disk, Mount, Eject, etc. The format that we chose, 'to Journal or not to Journal' depends on what the drive will be used for. It's the top two formats that we are interested in Mac OS Extended (Journaled) and Mac OS Extended. Clicking on the 'Volume Format' drop-down menu reveals several choices. As shown below, I have selected the physical hard drive name and also clicked on the Erase tab.In the Erase tab window, the first thing that we need to set will be the new format. In order to reformat a hard drive we must use the 'Erase' tool, this will wipe the hard drive clean and give us the chance to name the drive and select the format. If you select one of these two formats and then later decided that you need to turn Journaling either on or off, you can easily do it using Disk Utility, more on this later. A very nice feature and it actually worked for me once when I lost power, an unsaved text document was recreated.In this case, I plan on using this drive as a 'bootable' system back-up drive, so I will select 'Mac OS Extended (Journaled). It will also attempt to restore any unsaved documents that you were working on at the time of the power failure. If your Mac should go down, due to, for example, a power outage, when you restart your Mac, the Mac OS will check the journal and will perform a consistency check on the drive's directories and file structure. Journaling is a process whereby the Mac OS keeps an eye on what you are doing while you work, it keeps a journal, keeping track of changes you have made to your files. If you will be using the drive as a media or 'scratch' drive, for video editing, then you would select Mac OS Extended, journaled not selected, as the journaling process slows down the write speed performance of the drive.Journaling was developed primarily for Mac servers to protect the integrity of the disk Directories and file systems. Office for mac 2016 reviewClick Erase again.The Erase and Format process will take less than a minute. When you do this you will be presented with a warning that tells you that if you erase the drive, all information on the drive will be lost. Leave this box uncheck unless you have a specific need for it.With your drive named and a format selected, click on the Erase button. This option is left over from the days that the Mac OS migrated from OS 9 to OS X. Just below the Name box is 'Install Mac OS 9 Disk Drives'. If you select the volume in the left hand column, information about that volume will be displayed on the right. It should probably have a 'do not show this window again' check box.After you have Erased and Formatted the drive, it will show up in Disk Utility with its new volume name. I have Time Machine turned off in my System Preferences, but this box continues to show up. Unless you plan on using this drive for Time Machine, click Cancel. Journaling is essential for OS disks (boot drives), but for disks used for video media, used for editing purposes, Journaling is not advised, as it can affect the speed of data being written. As the drive is empty, this process will only take a few seconds and I think that it's a good idea to check the integrity of your drive before pressing it into service. Select the drive or volume in Disk Utility and click on the 'Repair Disk' button. The 'Option' key toggles between Enable and Disable in the File menu.I would suggest one more quick chore before using your newly formatted drive. If you have formatted your drive with no Journaling and decide that you want to enable Journaling, select the Volume in the left hand window of Disk Utility and from the File menu > Enable Journaling.If you have formatted a drive as (Journaled) and want to turn journaling off, select the volume in the left hand window of Disk Utility and while holding down the 'Option' key, from the File menu > Disable Journaling. Formatting A External Hard Drive For Windows Drivers On ThemMany new drives come with CD disks that have formatting software and drivers on them. If you plan on using the drive for storage, archive or data backup other than as a video media (scratch) drive, then there is a benefit to be had with journaling, just as long as data rate speed is not an issue. If you're writing a lot of data, for for a long period of time, like capturing video, the write speed of the data will slow down, as the Journaling record keeps updating it's self. Journaling only affects the speed of either writing to or modifying a file, it has no effect on the read speed of files. My photos for google photos macWhile I'm sure that you have never done this, sometimes an external hard drive gets unplugged before being 'unmounted' from the desktop. With the low cost and availability of external drives, we often use these drives to transport data from one Mac to another. Only the name of the physical hard drive will show up in the left hand column in Disk Utility, there will be no volume listed, as volumes are created during the formatting process. If you have bought a new barebones OEM drive to fit inside your Mac or to replace a drive in an existing enclosure, it will never have been formatted. ![]()
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