Redundant Array of Independent Disks, or RAID, is a way of storing content on multiple hard drives at the same time. A RAID could be software or hardware based on the HDDs that are used - physical or logical ones, yet what’s common between them is that they all operate as one single unit where your information is stored. The biggest advantage of using a RAID is redundancy since the info on all of the drives is the same all the time, so even if a drive fails for whatever reason, the data will still be present on the rest of the drives. The general performance is enhanced as well as the reading and writing processes could be split between a number of drives, so a single one won't be overloaded. There are different types of RAIDs where the functionality and fault tolerance can vary depending on the specific setup - whether your data is written on all drives in real time or it is written on one drive and then mirrored on another, what number of drives are used for the RAID, and many others.

RAID in Web Hosting

The cutting-edge cloud Internet hosting platform where all web hosting accounts are made employs super fast SSD drives instead of the traditional HDDs, and they operate in RAID-Z. With this configuration, several hard disks function together and at least a single one is a dedicated parity disk. Put simply, when data is written on the remaining drives, it's copied on the parity one adding an extra bit. This is carried out for redundancy as even if a drive fails or falls out of the RAID for whatever reason, the information can be rebuilt and verified thanks to the parity disk and the data stored on the other ones, thus nothing will be lost and there will be no service disturbances. This is another level of security for your information in addition to the revolutionary ZFS file system which uses checksums to guarantee that all data on our servers is intact and is not silently corrupted.

RAID in Semi-dedicated Hosting

If you host your websites in a semi-dedicated hosting account from our firm, any content that you upload will be kept on SSD drives which work in RAID-Z. With this kind of RAID, at least one of the drives is employed for parity - when data is synced between the drives, an extra bit is added to it on the parity one. The idea behind this is to ensure the integrity of the information which is cloned to a new drive in the event that one of the disks in the RAID stops functioning because the site content being copied on the brand new disk is recalculated from the data on the standard hard drives and on the parity one. Another advantage of RAID-Z is that even in the event that a disk drive stops functioning, the system can switch to a different one quickly without service disruptions of any sort. RAID-Z adds an additional level of protection for the content that you upload on our cloud Internet hosting platform along with the ZFS file system that uses unique checksums in order to verify the integrity of each and every file.

RAID in VPS Hosting

The SSD drives which we use on the physical machines where we generate virtual private servers function in RAID to ensure that any content you upload will be available and intact at all times. At least 1 drive is used for parity - one bit of information is added to any data cloned on it. If a main drive stops working, it is replaced and the data which will be duplicated on it is calculated between the other drives and the parity one. It's done this way to make sure that the needed data is copied and that no file is corrupted because the new drive will be incorporated into the RAID afterwards. We also use hard disk drives functioning in RAID on the backup servers, so in case you add this upgrade to your VPS plan, you shall use an even more reliable Internet hosting service as your content will be available on multiple drives irrespective of any sort of sudden hardware malfunction.