The Pegasus R4i, built for Mac Pro (2019), is a plug-and-play RAID MPX module with four 8TB swappable 7200rpm SATA HDDs, providing 32TB of raw storage. The Pegasus R4i comes preformatted in HW RAID 5. macOS Catalina includes built-in support, too, so you can get started using the volume immediately after installation.
Install the Pegasus R4i module in slots 1-2 of Mac Pro
For best performance, Apple recommends that you install the Pegasus R4i module in slots 1-2 of your Mac Pro. You might have to move an existing MPX module from slots 1-2 to slots 3-4 in your Mac Pro. You can also find installation instructions in the quick start guide in the Pegasus R4i package and on the Promise website.
- Mar 22, 2020 An RAID array is a storage solution that combines multiple hard drives into one unit for the purpose of storing, backing up, and providing redundancy and security. RAID 5, with disk striping and parity, is ideal for use as a file-storage server or application server. This choice for Mac users requires a minimum of three drives and provides fault tolerance and good performance.
- Oct 17, 2009 Better than using RAID 5 in many respects would be to use RAID-Z under ZFS, accepting the caveat that ZFS for Mac OS X remains a skunkworks project. RAID-Z can provide you with redundant distributed parity (raidz2), allowing you to accept higher levels.
- Mac OS X supports RAID 0, RAID 1 and RAID 0+1. 2 points 6 years ago. I will tell you two reasons why I won't use software RAID anymore: first, if a drive has an issue and doesn't mount as expected, it will break the RAID volume, and correcting the issue takes more time and is prone to mistakes; secondly, RAID on software uses.
Restart Mac Pro and install the Pegasus Utility Software
Recovers Data from RAID 0, 5, & 6. Stellar Data Recovery Technician software offers advanced functionality to recover data from logically corrupt or inaccessible RAID 0, 5, and 6 servers. This RAID data recovery software for Windows works without the RAID controller card. MacDrive 10 Pro gives you the power of Mac RAID on your Windows PC. With MacDrive 10 Pro, you can access Apple formatted RAID disks as well as RAID sets created with SoftRAID. You can also securely delete files and folders from your disk and easily create ISO images and mount sparse images.
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Once you've installed the module and restarted your Mac Pro, the Pegasus R4i appears as a volume. When Mac Pro first recognizes the module, you’ll hear a series of tones from the module itself. And you’ll hear another set of tones when you log in and the volume mounts successfully. To manage the Pegasus R4i, install the Pegasus Utility software. The installer is located on the Pegasus volume. For help using the Pegasus Utility to manage your RAID volume, visit the Promise website.
Turn off Power Nap
As a final step, turn off Power Nap on your Mac Pro: in the Finder, choose System Preferences > Energy Saver, then deselect Enable Power Nap.
Before shipping, always remove the Pegasus R4i Storage Module from your Mac Pro to avoid damaging your computer.
RAID 5 is one of the most outstanding choices that a computer user can make for their home based system. While it is very plain to setup RAID 0 and 1, there is complexity involved in RAID 5 setup. RAID 5, as we know is basically set up to ensure the redundancy of data in your system. Here I will guide you how to create software RAID 5 on Windows 8.1 and 10.
There are a number of options for a computer user to create RAID for redundancy of data. However, RAID 5 has its own features and importance, and that’s why we need this RAID 5 so much for our own system. Setting up RAID 5 is kind of a complex task for anyone. You can do this in Windows 8.1 and 10 a bit easily.
How to create RAID 5 on Windows 8.1 and 10
We can create both RAID 5 and RAID 1 on Windows 8.1 and 10. You would need two drives for RAID 1 and three or more than three hard drives for RAID 5. So depending on the number of drives, if you have less than three drives with you. You can’t create RAID 5 on your system and you have to go for RAID 1. Although, if you want to create RAID 5, you must have three or more than three hard drives with you.
To create RAID 5, you need three or more than hard drives, all of the same capacity. These hard drives should exclude the computer’s hard drive or the drive of the OS.
To create RAID 5, you need three or more than hard drives, all of the same capacity. These hard drives should exclude the computer’s hard drive or the drive of the OS.
The other conditions for RAID 5 creation would be the drives have to be unformatted. There can be different capacity drives to create the RAID. In such cases, the whole RAID setup will be dominated by the disk with least capacity. So it is recommended to avoid using different sized hard drives.
Check Formatting of Drives
One of the most important thing to keep in mind should be the unformatted drives. In order to check that and confirm, you have to go for disk management.
Make sure you are logged in as the administrator
Go to Run window – Press Windows + R
Type in ‘diskmgmt.msc’
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All the drives that you need must be Unallocated.
If there is a partition in any of them, you can delete the drive, but make sure that the data is backed up. After backing up Right click on that Drive and Click “Delete Volume”. Your drive is unallocated now and it can be used for RAID 5.
Creating Storage
To manage the storage for RAID 5, you have to go to the storage option in the control panel. Since you have the facility to search the window.
Go to search and type ‘storage space’ – it will display the storage spaces in the system.
You will find a hyperlink saying ‘create a new pool and storage space’.
This command will make the system search for the unformatted drives automatically. This is why we deleted the volumes earlier.
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After the system detects the unformatted drives we can change the drive letter and format as per our convenience. In the resiliency type, select Parity, it will be followed by storage space declaration.
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In size, make the display shows the storage space capacity. To know the array capacity, we have to go through some calculation. Take the smallest disk capacity, multiply it by the number of drives minus one. So, for 3 two TB hard disks, the array capacity would be {2*(3-1)}.
Press the OK button to finish the creation of RAID 5 on your system.
Finally, I would say that creating a RAID 5 for your system is one of the best things to secure the data. It is a complex thing to understand, but its capability to maintain the data redundancy is outstanding. In cases of failure, the data can be regained easily with certain troubleshooting steps. If the issues go grave, there are some amazing software to recover RAID arrays on Windows. so the initial step to safeguard your work is to create a RAID 5 in your system.