RAID, which stands short for Redundant Array of Independent Disks, is a software or hardware storage virtualization technology which enables a system to take advantage of a number of hard drives as one single logical unit. In other words, all of the drives are used as one and the data on all of them is identical. This type of a configuration has two major advantages over using a single drive to save data - the first is redundancy, so in the event that one drive doesn't work, the info will be accessible through the others, and the second is better performance as the input/output, or reading/writing operations will be spread among different drives. You can find different RAID types in accordance with what amount of drives are employed, if reading and writing are both performed from all of the drives concurrently, 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 error tolerance and the performance vary.

RAID in Shared Web Hosting

All of the content that you upload to your new shared web hosting account will be placed on fast SSD drives that work in RAID-Z. This configuration is built to employ the ZFS file system that runs on our cloud hosting platform and it adds one more level of protection for your website content on top of the real-time checksum validation which ZFS uses to guarantee the integrity of the data. With RAID-Z, the data is saved on a number of disks and at least one is a parity disk - whenever information is recorded on it, an extra bit is added, so in the event that any drive stops working for whatever reason, the integrity of the info can be verified by recalculating its bits based on what is saved on the production hard drives and on the parity one. With RAID-Z, the operation of our system will never be interrupted and it will continue working flawlessly until the faulty drive is changed and the data is synchronized on it.

RAID in Semi-dedicated Hosting

The SSD drives that are used for saving any site content uploaded to the semi-dedicated hosting accounts which we provide operate in RAID-Z. This is a special configuration where one or more hard drives are used for parity i.e. the system will include an additional bit to any data duplicated on this kind of a drive. In the event that a disk fails and is replaced with a new one, what info will be cloned on the latter shall be a mix calculated between the data on the remaining drives and that on the parity one. This is done to ensure that the data on the new drive will be correct. Throughout the procedure, the RAID will continue working adequately and the malfunctioning drive won't affect the normal operation of your sites in any respect. Using SSDs in RAID-Z is a great addition to the ZFS file system which runs on our state-of-the-art cloud platform with regard to preserving the integrity of your files because ZFS uses special digital identifiers referred to as checksums in order to avoid silent data corruption.

RAID in VPS Web Hosting

All virtual private server accounts which we provide are made on physical servers which take advantage of SSD drives operating in RAID. At least one drive is intended for parity - one additional bit is included in the information duplicated on it and if a main disk stops working, this bit makes it easier to recalculate the bits of the files on the failed disk drive so that the accurate data is recovered on the new drive included in the RAID. In the mean time, your Internet sites will still be online since all the info will still load from at least 1 other drive. In case you add routine backups to your VPS package, a copy of the info will be saved on standard disk drives that also work in RAID as we would like to make certain that any kind of website content you add will be protected at all times. Working with multiple hard drives in RAID for all the main and backup servers allows us to offer fast and reliable web hosting service.