A RAID must be formed from 2 or more different drives. RAID cannot be done all on one drive.
Modern Memory Manager should be turned on. Virtual memory will decrease the speed of an Array.
You cannot modify the volume booted from. Boot from a different volume or a different device.
The description below lists the way to do it from the menus. It can also be done as drag and drop using the icons in the lower half of the SoftRAID window.
For STRIPE:
1. Click Volume/New
2. Select Stripe
3. Shift-click the devices (physical drives) you want to use.
4. Give the volume a name
5. Set the size of the array.
6. Set the size of the blocks to be split between drives. 128k is a normal setting.
For MIRROR:
1. Click Volume/New
2. Select Mirror
3. Shift-click the devices (physical drives) you want to use.
4. Give the volume a name
5. Set the size of the array.
Mirrors will take twice as much disk space. For example, on a 4G RAID, you could set a 2G Mirror or a 4G Stripe.
For MIRROR based on existing volumes:
1. Select Volume/Create Mirror
2. Select the disk you want to be the primary (the disk that has the data on it)
3. Select the disk to be used as the mirror (the "backup" disk). It must be at least as large as the primary.
4. Choose a build rate by sliding the the two bars up or down. Higher I/O rates will improve the rebuild speed, but cause a slowdown of the system. The Volume entry will show a status bar.
For HFS:
1. Click Volume/New
2. Select Standard Mac
3. Select a device
4. Name the volume
5. Enter the size in Megabytes of the new volume
Machines Affected: PowerTower Pro with RAID