RAID

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RAID, which is an acronym of Redundant Array of Independent Disks, is a software or hardware storage virtualization technology which permits a system to take advantage of many hard drives as one single logical unit. In other words, all of the drives are used as one and the information on all of them is the same. Such a setup has 2 major advantages over using just a single drive to save data - the first is redundancy, so in case one drive stops working, the info will be accessible from the remaining ones, and the second one is improved performance since the input/output, or reading/writing operations will be distributed among multiple drives. You can find different RAID types depending on the number of drives are employed, whether reading and writing are both handled from all the drives at the same time, whether data is written in blocks on one drive after another or is mirrored between drives in the same time, etc. Depending on the particular setup, the fault tolerance and the performance vary.

RAID in Cloud Hosting

The drives which we employ for storage with our top-notch cloud web hosting platform are not the traditional HDDs, but high-speed NVMes. They function in RAID-Z - a special setup intended for the ZFS file system which we employ. Any content that you upload to your cloud hosting account will be held on multiple hard drives and at least one will be used as a parity disk. This is a specific drive where a further bit is included to any content copied on it. In the event that a disk in the RAID fails, it will be changed with no service disturbances and the info will be recovered on the new drive by recalculating its bits using the data on the parity disk along with that on the other disks. This is done in order to guarantee the integrity of the info and together with the real-time checksum validation which the ZFS file system runs on all drives, you will never have to worry about losing any information no matter what.

RAID in Semi-dedicated Servers

The NVMe drives which are used for saving any site content uploaded to the semi-dedicated server accounts which we offer operate in RAID-Z. This is a special setup where one or more drives are employed for parity i.e. the system will add an extra bit to any data copied on such a disk drive. If a disk fails and is replaced with a new one, what info will be copied on the latter will be a combination calculated between the data on the remaining hard disks and that on the parity one. This is done to guarantee that the data on the new drive shall be correct. Throughout the process, the RAID will continue working adequately and the malfunctioning drive won't have an effect on the proper operation of your websites at all. Using NVMes in RAID-Z is a fantastic addition to the ZFS file system that runs on our advanced cloud platform with regard to preserving the integrity of your files because ZFS uses unique digital identifiers called checksums to prevent silent data corruption.

RAID in VPS Servers

In case you use one of our VPS server plans, any content which you upload will be stored on NVMe drives that function in RAID. At least one drive is intended for parity so as to guarantee the integrity of your data. In simple terms, this is a special drive where data is copied with one bit added to it. In the event that a disk inside the RAID breaks down, your websites will continue working and when a new disk replaces the malfunctioning one, the bits of the info that will be cloned on it are calculated by using the healthy and the parity drives. That way, any possibility of corrupting data throughout the process is averted. We also employ conventional hard disks that work in RAID for storing backups, so if you include this service to your VPS package, your website content will be saved on multiple drives and you won't ever have to worry about its integrity even in the event of multiple drive failures.