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Do you need to RAID your SSDs on your Trading Computer?

Trading Computer RAID Selection

Do you need a RAID on your trading computer? To determine the answer to this question, we need to go ahead and understand what a RAID is, which we will cover in the remainder of this article.

There are several different types of RAID types:

RAID 0 is a striped type array, meaning half your data is stored on one disk, and half your data is stored on another.

As a trader, you would never want to use a RAID 0, as half 1/2 of your data is stored on one drive, and 1/2 of your data stored on the other lose one drive, and you lose everything. Striped arrays were used back when hard drives were much slower. As you could spread data across two disks whereby you would double your speed, double the space, and decrease your latency, but with solid-state drives, striped arrays are not as useful SSDs are much faster than any RAID 0. Now you can use a RAID with SSDs, but it doesn't offer any noticeable benefit other than bragging rights that come with many headaches.

RAID 1 will keep the data on both the drives writing and reading from both drives, so if one drive fails, the other drive is still there, and the operating system can continue to operate as if nothing happened.

RAID 1 can be used, and they're mostly for automated trading computer setups that require the Trading Computer always to be on, executing trades on your behalf. I would still recommend a backup drive in conjunction with the RAID 1, as the RAID 1 only protects you against drive failure, which is extremely uncommon. Ever since the third generation controllers for SSDs have been released, SSDs have much higher reliability and tend not to fail in the first 5 years of service. After the 5-year mark, failures among SSDs are much higher, and we recommend preemptively replacing the SSDs at that time to keep your trading computer running at peak performance and reliability.

There are also RAID 5 and RAID 6, which add redundancy to the striped array but are out of the scope of this article.

At Falcon, we don't recommend using a RAID for most of our traders as Falcon has found that the Paragon Backup software is much more useful and economical because not only does it protect you against drive failure, it also protects you against Viruses, Windows Update issues, and platform update problems. This offers peace of mind that, whatever happens, we can get your Trading Computer up and running again as quickly as possible.