Alternatively, you can use five drives in an array and use one as a hot spare. For example, you can choose to include all 6 drives in an array and from there create a 2TB RAID-0 and use the remaining space as a 6.4TB RAID-5. From there you can partition the aforementioned disk array into any valid RAID array(s) you'd like. You can choose any combination of drives in the Pegasus to be included in a disk array. There are varying levels of advanced array creation, or you can always go full manual.
The wizard gives you one click array creation if you don't want to deal with adjusting things like stripe and sector sizes. This generally offers the best balance of redundancy and performance for most users, however if you'd like to delete it and start anew you can. The RAID-5 array is configured with a 128KB stripe size and 512-byte sector size. green for good, yellow for caution, red for major issue):īy default the Pegasus ships in a RAID-5 configuration with either 4 or 6 drives depending on whether you bought an R4 or R6 model. The Dashboard is the home screen of the application, it gives you a quick look at the current status of your drives/arrays (e.g. The major functions of the Promise Utility are pretty self explanatory. The bundled Promise Utility gives you full control over the Pegasus including reporting on drive/array health: With both software updates installed, simply plug in a Thunderbolt cable and you'll be greeted with a Promise RAID icon on your desktop.
The first is the Mac Thunderbolt Firmware Update and the second is Mac OS X 10.6.8 (or later, Lion is supported). If you have one of those two systems you'll need two software updates. Apple is widely expected to introduce a new Mac Pro and maybe even a new MacBook Air with Thunderbolt support, but for now you need a 2011 MBP or iMac. First, the Pegasus (or any TB device) will only work on a 2011 MacBook Pro or 2011 iMac as those are the only two systems on the market today with an integrated Thunderbolt controller. The Pegasus ships fully functional from the factory, but you'll need to do a couple of things to your Mac before the first Thunderbolt device on the market will just work.
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