Redundant Array of Independent Disks, or RAID, is a method of storing content on a number of hard drives concurrently. A RAID can be software or hardware based on the HDDs that are used - physical or logical ones, but what’s common between them is that they all operate as a single unit where info is saved. The top advantage of using a RAID is redundancy since the info on all the drives shall be exactly the same all of the time, so even in the event that a drive fails for some reason, the info will still be present on the remaining drives. The general performance is also enhanced because the reading and writing processes could be split between various drives, so a single one will not be overloaded. There are different kinds of RAIDs where the functionality and fault tolerance may differ depending on the particular setup - whether information is written on all the drives real-time or it's written on one drive and afterwards mirrored on another, what number of drives are used for the RAID, and so on.

RAID in Cloud Hosting

All of the content which you upload to your new cloud hosting account will be saved on quick SSD drives which work in RAID-Z. This setup is built to use the ZFS file system that runs on our cloud Internet hosting platform and it adds another level of protection for your website content on top of the real-time checksum authentication that ZFS uses to guarantee the integrity of the data. With RAID-Z, the information is saved on a couple of disks and at least one of them is a parity disk - whenever info is written on it, an additional bit is added, so in case any drive stops working for whatever reason, the stability of the info can be verified by recalculating its bits in accordance with what is kept on the production drives and on the parity one. With RAID-Z, the functioning of our system will not be interrupted and it will continue working smoothly until the faulty drive is changed and the info is synced on it.

RAID in Semi-dedicated Servers

The RAID type that we use for the cloud Internet hosting platform where your semi-dedicated server account shall be created is known as RAID-Z. What is different about it is that at least one of the disks is employed as a parity drive. Put simply, whenever any data is copied on this specific hard drive, one more bit is included to it and in the event that a faulty disk is replaced, the information that will be duplicated on it is a combination of the data on the remaining disk drives in the RAID and that on the parity one. It's done this way to guarantee that the info is intact. During this process, your Internet sites will be working normally as RAID-Z makes it possible for a whole drive to fail without causing any service disruptions and it simply works by using one of the remaining ones as the main production drive. Using RAID-Z together with the ZFS file system that uses checksums to warrant that no data can get silently corrupted on our servers, you'll never have to worry about the integrity of your files.

RAID in VPS Servers

In case you employ one of our VPS server packages, any content that you upload will be kept on SSD drives that function in RAID. At least one drive is employed for parity so as to ensure the integrity of your information. In simple terms, this is a special drive where info is copied with one bit added to it. If a disk within the RAID breaks down, your sites will continue working and when a new disk substitutes the faulty one, the bits of the data that will be duplicated on it are calculated by using the healthy and the parity drives. By doing this, any probability of corrupting data throughout the process is averted. We also use ordinary hard drives which operate in RAID for storing backups, so in case you include this service to your VPS plan, your website content will be kept on multiple drives and you will never need to worry about its integrity even in the event of multiple drive breakdowns.