LaCie offers a RAID Monitor app for Mac, but G-RAID does not offer a similar tool. These pre-configured enclosures also don't include any warning lights in the hardware, so it's even more difficult to tell if any of the drives aren't working properly. Building your own RAID drive proves doubly beneficial. Create a disk set using Disk Utility on Mac You can create a Redundant Array of Independent Disks (RAID) set to optimize storage performance and increase reliability in case of a disk failure. You can also create a set that concatenates smaller disks to act as one larger disk. In the Disk Utility app on your Mac, choose File RAID Assistant.
With a Mac Pro RAID Card or Xserve RAID Card installed in your computer, you can use RAID Utility to turn your computer’s internal disks into storage volumes based on RAID (redundant array of independent disks) schemes that improve performance and protect your data. The RAID Utility Window Click to see overall RAID status RAID battery status. That free app does all the repair permissions behind the scenes. Creating a RAID. Another option is to reboot your Mac into Recovery Mode. The Disk Utility in recovery mode does support.
RAID 0 is a popular disk setup solution to achieve the fastest possible read and write disk speeds by splitting data between two or more hard drives. The latest version of Mac OS X High Sierra (10.13) does not allow you to simply install to any kind of RAID configuration. This has frustrated a lot of the Mac community. Until Mac OS X High Sierra officially supports RAID configurations, follow the steps below to setup a fully functional RAID 0 configuration.
*You will notbe able to install system updates from the App Store on your live RAID volume. However, see our workaround at the end of guide. *
In order to install the latest version of Mac OS X onto a RAID 0 slice, you must clone a copy of your Mac OS X installation straight to the RAID 0 drives (not a restore, such as Time Machine, which will not work). To accomplish this, you need an external hard drive and a copy of SuperDupersoftware in addition to your RAID 0 drives. We will use the same Mac machine (that will use RAID 0) to perform all the steps below. This method uses hardware RAID and is not Nipsey hussle proud of that download. a software RAID.
Note: We strongly recommend taking a full backup (Time Machine) to another drive just in case when performing these steps! Save yourself from an accident!
Note: Be sure to complete your SuperDuper clones on the same type of Mac you will install the RAID 0 configuration on. This is important because your Mac OS High Sierra clone will have drivers and system files specific to that machines hardware.
Open Disk Utility in Applications -> Utilities and create your RAID 0 array shown below.
Mac Raid Utility App Setup
Go to File -> RAID Assistant
Select Striped (RAID 0)
Select your 2 internal hard drives to create the RAID array from
Name your single RAID drive. For Chunksize, choose a lower size if you will be using the RAID for regular needs (email/browsing/word processing.) For video editing, choose a higher chunk size.
Success screen appears
The copy will complete successfully. Finally, go to System Preferences -> Startup Disk and select your new drive and restart. The first restart may take a little time as your boot files load for the first time.
You can confirm your successful RAID 0 in Disk Utility.
If system updates are available in the app store they will appear, but do not attempt to install them. Your computer will fail installing them and you will likely damage your OS installation! App Store Application updates will install OK. See below workaround.
Install Mac OS 10.13 System Updates on RAID drive
Mac Raid Utility Apps
Now you have the latest Mac OS X system updates installed on your RAID O configuration drive again. The entire process took us under 1 hour using SSD drives and USB 3.0.
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When Apple updated Yosemite to Mac OS X El Capitan, it made huge changes to the Disk Utility. The streamlined interface is easy to use, but it’s missing some key functions. Some of them are there though if you know where to look.
Repairing Permissions in El Capitan
The most obvious feature that Apple seemed to take away was rRepair permissions. That feature solved a few Mac problems, but, for the most part, was unnecessary. The operating system checks permissions during software updates. At other times, those permissions aren’t allowed to be changed. Repairing permissions can still be an effective troubleshooting step. Some tech support providers won’t help you unless you repair those permissions. There are a few different ways to do it.
Mac Raid Utility App DownloadCool El Capitan Features: If you recently upgraded, check out how to use Split View and the upgraded Mission Control.
If you like using terminal, this command will repair permissions.
sudo /usr/libexec/repair_packages --repair --standard-pkgs --volume /
If you don’t like messing around in Terminal, MarcPac wrote RiparaCapo. That free app does all the repair permissions behind the scenes. I think it’s a little safer to run that program as a terminal is a powerful tool on a Mac.
Secure Erasing a Volume
In previous Disk Utilities, you could specify how you wanted a volume erased under options. Originally, Apple gave you a 35-pass method as the most secure erase method. In Lion and later versions, Apple removed that option and left you with a 7-pass erase as the most secure. That’s enough for most users.
Securely deleting files: You don’t have to erase the entire drive to securely erase a file. You can do this through terminal with the diskutil command. Apple removed Secure Empty Trash and replaced it with Delete Immediately
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To access that option in El Capitan, you’ll need to select a Volume rather than a physical disk. If the disk is unformatted, you won’t be able to secure erase it. That’s an annoying change.
Again, the command line comes to the rescue. You can specify a 34-pass erase using the
secureErase command. Without the GUI of OSX protecting you, it’s easy to select the wrong disk to erase. I’d avoid using this command unless the Disk Utility isn’t working for you.
Creating a RAID
I’m not sure why Apple removed this from the main Disk Utility. Most likely the reason is simplicity. Creating a RAID is specialized functionality so they left it to Terminal and the
diskutil command. Also, improper use of the RAID function could cause problems with the Fusion drive scheme.
Another option is to reboot your Mac into Recovery Mode. Hack mac password without changing. The Disk Utility in recovery mode does support creating a RAID.
Disk Repair and First Aid
The options for repairing a disk changed. Instead of Verify Disk and Repair Disk, the options merged. Now you select the volume and click First Aid. That saves a few steps from previous versions.
Serious errors still need advanced utilities like Disk Warrior to fix the system.
Burning a Disk
While most new Macs don’t have an optical drive, some of us still need to burn CDs and DVDs. Disk Utility was a great way to copy a disk or convert it to an ISO. Apple removed those features in El Capitan.
Need to copy a hard drive? Check out our guide to creating a bootable backup.
The good news is most of these functions moved to the Finder. If you select an ISO or other master image file and right-click, you’ll see a Burn Disk Image to Disc option. That saves you a few steps compared to using Disk Utility. If you want to burn a folder or file to a CD or DVD, right-click the item and select Burn to Disc.
If you want to create an image from an optical drive the process is the same as it was in previous versions. From the File Menu in Disk Utility select New Image and then pick Image From and the name of the item you want to copy. Under Format, if you want to be able to burn a copy, pick DVD/CD Master. That creates a .CDR file that you can burn directly from the Finder.
Encrypted Volumes: To keep your files secure, consider creating an encrypted volume or folder.
New Feature: Disk Overview
This is a similar overview you get when you go to About This Mac and select Storage. The key difference between the two views About The Mac shows how much space is taken by backups. Otherwise, the views are the same. Disk Utility adds some information that’s useful in Terminal like what device it is and the drive format. I think it’s a waste having it in both places.
Most Everything Else is the Same
Other than these changes, most of the features remain the same. Creating a volume with different formats is the same. Erasing a PC formatted drive is still the same, although the button placement moved.
ALSO SEE: Alfred vs Spotlight: Which Works Best at Finding Stuff on Your Mac?
Download Intel Raid UtilityThe above article may contain affiliate links which help support Guiding Tech. However, it does not affect our editorial integrity. The content remains unbiased and authentic.Also See#hard diskRaid Utility Tool#OS X El CapitanDid You Know
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