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DISK UTILITY FOR MAC RAID MAC OS
DISK UTILITY FOR MAC RAID PRO

Disk Utility will check the partition maps on the disk and check each volume. Select the device that you are having problems with from the sidebar. How do I know if disk utility is working on Mac Open Disk Utility. The example shows that there is a new volume called "COMBINED", that is a striped combination of the two 149.1 GB disks. Disk Utility can be useful if you are working with RAID sets. Select Disk Utility from the utilities window and click Continue. When finished, Disk Utility will look similar to this window If you can’t boot in macOS to perform hard disk repair using any of the 10 tools listed above, you need to restart your computer in macOS Recovery and repair the hard disk using Disk Utility: Turn on your Mac and press and hold Command-R. Needless to say that I left the Mac and drives alone while restoring. one day for 1 TB, whereas typical transfer rates to either drive and the RAID were much higher. This is a warning that the data will be erased from all involved hard drives. d) Disk utility took very long to restore the RAID, ca. Other formats are available, but the best performance will be with one of the native Mac formats.įor "RAID Type", the choice depends upon the individual needs for the device (striped, concatenated, or mirrored.)Ĭlick the create button, and this window will appear

DISK UTILITY FOR MAC RAID MAC OS

Drag and drop the two drives into the blank window on the right.įor "RAID set name", type in the name of the volume that will appear on the desktop.įor "Volume format", select Mac OS Extended (Journaled). Click the RAID tab along the top of the window.

In this example, we will be creating a Raid from the two 149.1GB drives. Locate the drives that will be part of the array on the left side of the program. This is within the Applications folder, then the Utilities folder. It has slower performance than striped, but is slightly more stable. This will open up a utility window, with the Disk Utility feature at the bottom. If needed, select your username and put in the password.

To access it, hold command () + R as you turn on the Mac.

"Concatenated" is similar to striped, but writes data to only one disk at any time. Disk Utility can also be opened via MacOS Recovery.

It gives redundancy, allowing for a physical failure of one drive without data loss.

"Mirrored" duplicates the data on each disk.

Part of the data is written to each disk simultaneously

"Striped" combines the disks into one large volume.

I use Disk Utility to run a RAID1 set with two 500GB hard drives.

DISK UTILITY FOR MAC RAID PRO

This is called a RAID (Redundant Array of Inexpensive/Independent Disks). Ive got a Mac Pro 1.1 running macOS Server 10.6.8 that I want to use as a RAID-Server. Disk Utility has the ability to combine the resources of several external devices.