RAID, which stands short for Redundant Array of Independent Disks, is a software or hardware storage virtualization technology that makes it possible for a system to use a number of hard drives as one single logical unit. Simply put, all the drives are used as one and the information on all of them is the same. This kind of a setup has 2 major advantages over using a single drive to store data - the first is redundancy, so in case one drive fails, the info will be accessible through the others, and the second is improved performance as the input/output, or reading/writing operations will be spread among different drives. You can find different RAID types in accordance with the number of drives are used, whether reading and writing are both done from all the drives concurrently, if data is written in blocks on one drive after another or is mirrored between drives in the same time, and many others. Based on the exact setup, the fault tolerance and the performance could differ.

RAID in Hosting

The revolutionary cloud web hosting platform where all hosting accounts are made employs fast NVMe drives as an alternative to the classic HDDs, and they work in RAID-Z. With this configuration, multiple hard disks work together and at least one of them is a dedicated parity disk. In simple terms, when data is written on the remaining drives, it's duplicated on the parity one adding an extra bit. This is carried out for redundancy as even in case some drive fails or falls out of the RAID for some reason, the information can be rebuilt and verified using the parity disk and the data recorded on the other ones, therefore absolutely nothing will be lost and there will be no service disorders. This is an additional level of protection for your data in addition to the state-of-the-art ZFS file system that uses checksums to ensure that all the data on our servers is intact and is not silently corrupted.

RAID in Semi-dedicated Hosting

The information uploaded to any semi-dedicated hosting account is kept on NVMe drives which work in RAID-Z. One of the drives in such a configuration is used for parity - every time data is copied on it, an additional bit is added. If a disk turns out to be defective, it will be removed from the RAID without interrupting the operation of the websites since the data will load from the remaining drives, and when a new drive is included, the data which will be copied on it will be a combination between the data on the parity disk and data saved on the other drives in the RAID. That is done so as to ensure that the information which is being copied is accurate, so once the new drive is rebuilt, it could be integrated into the RAID as a production one. This is one more guarantee for the integrity of your information as the ZFS file system that runs on our cloud Internet 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 Hosting

All virtual private server accounts that our company provides are made on physical servers that employ NVMe drives operating in RAID. At least one drive is used for parity - one extra bit is added to the information duplicated on it and if a main disk fails, this bit makes it simpler to recalculate the bits of the files on the damaged disk drive so that the correct data is restored on the new drive added to the RAID. Meanwhile, your Internet sites will still be online since all the information will still load from at least 1 other hard disk. In case you add routine backups to your VPS package, a copy of your info will be stored on standard hard disks that also function in RAID since we would like to make sure that any sort of content you add will be protected all the time. Employing multiple hard drives in RAID for all the main and backup servers enables us to offer fast and reliable hosting service.