On the other hand, a Software RAID system requires more CPU cycles and power to run well than a comparable Hardware RAID System. Software RAID is also considerably less expensive. Software RAID is more flexible than Hardware RAID. RAID Software is a set of kernel modules coupled together with management utilities that implement RAID in Software and require no additional hardware. RAID Hardware is always a disk controller to which you can cable up the disk drives. One of the options available to you is whether you should use a Hardware RAID solution or a Software RAID solution. There are several different levels of RAID available depending on the needs of your system. The different options for combining the disks are referred to as RAID levels. RAID is a method of combining multiple disk drives into a single entity in order to improve the overall performance and reliability of your system. RAID Hardware Vs RAID Software - What is your best option? RAID Array and Server: Hardware and Service Comparison>. Additional discussions plus advantages and disadvantages of RAIDs and different RAID arrays see: Your computer should boot from the RAID array.īear in mind that if one of the drives in the array fails your startup volume is lost.įor basic definitions and discussion of what a RAID is and the different types of RAIDs see Double-check you got it right, then click on the Restore button.įinally, open Startup Disk in System Preferences, select the startup volume on your RAID, then click on the Restart button.
Source volume from the left side list and drag it to the Source entry field.ħ. Click on the Restore tab in the DU main window.ĭestination volume from the left side list and drag it to the Destination entry field. This step can be skipped if the destination has already been freshly erased.Ĥ. Set the format type to Mac OS Extended (journaled, if available) and click on the Erase button.
Click on the Erase tab in the DU main window. Open Disk Utility from the Utilities folder.ĭestination volume from the left side list.ģ. How to Clone Using Restore Option of Disk Utilityġ. Once the RAID array is created clone your current startup volume to the RAID using the Restore option of Disk Utility: If you're not sure how then select Disk Utility Help from the DU Help menu and search for "raid." You should find article and help links on how to create RAID arrays using DU. However, if you're dead set on doing this, then you first need to erase the two 1 TB drives you plan to use in the array. I would not recommend using a RAID for a startup volume.
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