RAID

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Redundant Array of Independent Disks, or RAID, is a method of saving content on several hard drives concurrently. A RAID can be software or hardware based on the hard drives that are used - physical or logical ones, however what’s common between them is the fact that they all function as just one single unit where information is stored. The top advantage of employing a RAID is redundancy as the information on all of the drives is the same at all times, so even in case a drive fails for some reason, the information will still be available on the rest of the drives. The general performance is enhanced as well because the reading and writing processes can be split between various drives, so a single one will not be overloaded. There are different kinds of RAIDs where the efficiency and fault tolerance could differ based on the specific setup - whether your data is written on all the drives real-time or it's written on a single drive and after that mirrored on another, the number of drives are used for the RAID, and so on.

RAID in Hosting

Any content that you upload to your new hosting account will be held on quick NVMe drives that operate in RAID-Z. This configuration is built to use the ZFS file system which runs on our cloud hosting platform and it adds one more level of protection for your website content in addition to the real-time checksum verification that ZFS uses to ensure the integrity of the data. With RAID-Z, the data is stored on several disks and at least 1 is a parity disk - whenever info is written on it, an extra bit is added, so if any drive fails for whatever reason, the stability of the data can be verified by recalculating its bits based on what is saved on the production hard disks and on the parity one. With RAID-Z, the functioning of our system will never be interrupted and it will continue operating smoothly until the problematic drive is replaced and the info is synchronized on it.

RAID in Semi-dedicated Servers

The RAID type which we employ for the cloud hosting platform where your semi-dedicated server account shall be created is named RAID-Z. What is different about it is that at least 1 of the disks is used as a parity drive. In simple terms, whenever any data is duplicated on this specific hard drive, one more bit is included to it and if a malfunctioning disk is changed, the information that will be cloned on it is a mix of the data on the other hard disks in the RAID and that on the parity one. This is done to guarantee that the info is intact. During this process, your websites will be functioning normally since RAID-Z allows for a whole drive to fail without any service disturbances and it simply works by using one of the other ones as the main production drive. Using RAID-Z together with the ZFS file system that uses checksums to guarantee that no data shall get silently corrupted on our servers, you won't have to worry about the integrity of your files.

RAID in VPS Servers

The physical servers where we generate VPS server work with fast NVMe drives which will raise the speed of your sites significantly. The hard disks function in RAID to guarantee that you won't lose any info as a result of a power loss or a hardware malfunction. The production servers take advantage of multiple drives where the info is kept and one disk is used for parity i.e. one bit is added to all information copied on it, that makes it easier to restore the site content without loss in case a main drive fails. If you take advantage of our backup service, your information will be saved on an independent machine which uses standard hard-disk drives and though there's no parity one in this case, they are also in a RAID to make sure that we will have a backup of your site content all of the time. With this kind of setup your info will always be safe because it will be available on a lot of disk drives.