Raid Editing Install More Than

Do this by selecting each disk in the left hand menu and heading over to the Erase tab.

Raid Editing Install More Than

All you need is a Mac with the ability to install more than one SSD or HDD (such as a Mac Pro 5,1) and some HDDs or SSDs, we recommend using matched drives in most cases, however, simply matching capacity (2TB etc.) and type (HDD or SSD) is usually fine.

A RAID is basically a collection of physical drives, linked together, that are seen by your system as a single drive.

A striped RAID will boost read and write speeds by splitting your data between all 4 drives and readingwriting to them all at the same time.

A mirrored RAID will write the same data to a number of drives, meaning you have real time back-ups that are fully bootable and can repair themselves.

This may sound confusing, but well explain which configuration is best for what soon enough.

Theoretically you could set up a striped RAID using 4 PCI-E flash storage blades in an external PCI-E expander, you would hit around 4GBs read write speeds with a set up like this, but it wouldnt be cheap.

Alternatively, you could use 4 HDDs in a Mac Pros internal HDD bays and hit speeds of around 600MBs, about 20 faster than the best consumer 2.5 SSDs, but the cost would be much less.

There are also a myriad of options in-between for every budget, you dont have to use 4 drives, a 2 drive RAID is still extremely effective.

So if you use two 500MBs SSDs then your RAID will read write at around 1GBs.

How to.

You can also use Disk Utility when booting from the USB installer to create a RAID set without having to have another OS X drive for Disk Utility, extremely useful when creating a 4 drive RAID in a Mac Pro.

With a striped RAID set it is essential that you keep a back-up.

Should one of the drives in your RAID fail, the whole RAID will fail.

Again we would recommend using matched drives, but you dont have to.

You can use SSDs, HDDs and even PCI-E flash storage, it all depends on your needs and budget.

You can also use as many disks as you like, you shouldnt need more than 2, but using 3 or 4 will give you even more security should a drive fail.

Again use a bootable USB installer if you have no other drives to install from.

A RAID 10 set comprises of two mirrored RAID sets in a striped RAID formation.

Should a drive fail, it will auto repair, and you will still get the speed boost of striping (4 drives in a RAID 10 formation will readwrite at double the speed of a single drive as opposed to 4 times the speed with a pure striped RAID).

For example, using 4 HDDs in a RAID 10 set will achieve read write speeds of around 300MBs as well as having real time back-up and auto repair functionality.

Technically this isnt actually a RAID 10 set, as a RAID 10 set is a hardware RAID.

You can call it a mirrored-striped-software-RAID-set if you like.

Raid For Mac Editing