SoftRAID for Mac. Free to try SoftRAID. SoftRAID 4.5.1 2013-07-27 17:04:06 By cat22 Pros. In my experience as a home user, SoftRAID has demonstrated its value time and again.
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How stripes work
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Stripe volumes, also known as RAID 0 volumes, spread the data for a volume over 2 or more disks. Each disk contains only part of the volume. When reading or writing a large file, the request gets sent to all of the disks at the same time. Each disk is asked to send back just the part of the file which it holds. The disks work simultaneously, in parallel, each disk reading just a small part of the file. Because of this, read and write speeds are a fraction of what they would be if a single disk had to be accessed for the entire file. A stripe volume cannot work unless all of its disks are present and working correctly.
Stripe Unit Size. In a stripe volume, data is spread across the volume's disks in blocks. The first block of the volume is on the first disk, the second is on the second disk, etc. The size of each block is called the “stripe unit size.”
When you create a SoftRAID stripe volume, you will be asked to select the stripe unit size for your new volume. SoftRAID will help you choose the the correct value depending on the type of files you plan to store on your stripe volume.
We recommend stripe volumes for...
We recommend stripe volumes ONLY for temporary storage - ie for any application where speed is most important and you have a recent backup. A great use for a stripe volume is as a scratch disk when using Photoshop, Lightroom or editing uncompressed video; it will give you the fastest possible scratch disk for these purposes.
RAID 0 is not a good solution for permanent storage. For this, and all other uses, particularly where the safety of your data is an issue, we recommend you use a RAID level which protects your volume from disk failure. With SoftRAID, these are mirror (RAID 1), RAID 4, RAID 5 and RAID 1+0 volumes.
Creating the fastest possible stripe volume
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With OWC ThunderBlade
With two OWC ThunderBlades striped together with SoftRAID, it's now possible to get faster software RAID performamce than is possible with a hardware RAID enclosure (faster than 3 GB/sec for reads and writes). The ThunderBlades come bundled with SoftRAID XT, and you can choose from a range of SSD sizes from 1TB–4TB.
Optimizing your SoftRAID volume
Click here to find more ways to optimize a SoftRAID RAID volume's performance to achieve even faster read and write speeds.
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