Redundant Array of Independent Disks, or RAID, is a method of keeping content on multiple hard drives concurrently. A RAID could be software or hardware based on the drives that are used - physical or logical ones, however what is common between them is the fact that they all work as just a single unit where information is stored. The main advantage of using a RAID is redundancy because the information on all of the drives is identical all 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 overall performance will also improve as the reading and writing processes will be split between a number of drives, so a single one can't be overloaded. There're different sorts of RAIDs where the capabilities and fault tolerance could differ based on the specific setup - whether information is written on all drives in 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 Cloud Web Hosting

The NVMe drives which our cutting-edge cloud web hosting platform uses for storage function in RAID-Z. This kind of RAID is created to work with the ZFS file system which runs on the platform and it employs the so-called parity disk - a specific drive where data kept on the other drives is copied with an extra bit added to it. In the event that one of the disks fails, your Internet sites shall continue working from the other ones and once we replace the bad one, the information that will be duplicated on it will be rebuilt from what is stored on the remaining drives as well as the information from the parity disk. This is performed in order to be able to recalculate the bits of every file properly and to confirm the integrity of the data cloned on the new drive. This is an additional level of security for the content that you upload to your cloud web hosting account along with the ZFS file system which compares a unique digital fingerprint for every single file on all of the disk drives in real time.

RAID in Semi-dedicated Hosting

The data uploaded to any semi-dedicated hosting account is kept on NVMe drives which work in RAID-Z. One of the drives in type of a configuration is used for parity - any time data is cloned on it, an additional bit is added. In case a disk happens to be defective, it will be removed from the RAID without disturbing the operation of the sites as the data will load from the remaining drives, and when a new drive is included, the data that will be cloned on it will be a combination between the info on the parity disk and data stored on the other drives in the RAID. That is done so as to guarantee that the info which is being copied is correct, so the moment the new drive is rebuilt, it can be integrated into the RAID as a production one. This is an additional warranty for the integrity of your information because the ZFS file system which runs on our cloud web hosting platform analyzes a unique checksum of all the copies of your files on the separate drives so as to avoid any probability of silent data corruption.

RAID in VPS Web Hosting

The physical servers where we make virtual private server use quick NVMe drives that will increase the speed of your websites significantly. The hard drives operate in RAID to guarantee that you won't lose any data as a result of a power loss or a hardware breakdown. The production servers use a variety of drives where the info is saved and one disk is used for parity i.e. one bit is added to all data copied on it, that makes it much easier to recover the website content without any loss in the event a main drive stops working. If you choose our backup service, your data will be saved on an individual machine which uses standard hard-disk drives and despite the fact that there's no parity one in this case, they are also in a RAID to guarantee that we will have a backup copy of your content all of the time. With this kind of setup your data will always be safe because it will be available on many drives.