RAID, or Redundant Array of Independent Disks, is a technology for keeping data on a number hard disk drives which function together as one logical unit. The drives can be physical or logical i.e. in the aforementioned case one single drive is divided into separate ones using virtualization software. In any case, the very same info is saved on all of the drives and the basic advantage of employing such a setup is that in case a drive fails, the data will remain available on the remaining ones. Having a RAID also improves the performance as the input and output operations will be spread among a few drives. There are several kinds of RAID dependant upon how many hard disks are used, whether writing is carried out on all the drives in real time or just on a single one, and how the information is synced between the drives - whether it's written in blocks on one drive after another or it is mirrored from one on the others. All of these factors imply that the fault tolerance and the performance between the different RAID types could differ.

RAID in Shared Hosting

All the content which you upload to your new shared hosting account will be stored on fast NVMe drives that operate in RAID-Z. This configuration is built to use the ZFS file system which runs on our cloud Internet hosting platform and it adds one more level of protection for your website content in addition to the real-time checksum authentication which ZFS uses to ensure the integrity of the data. With RAID-Z, the information is stored on several disks and at least one is a parity disk - whenever information is recorded on it, an additional 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 disks and on the parity one. With RAID-Z, the operation of our system won't be interrupted and it'll continue operating efficiently until the malfunctioning drive is changed and the information is synced on it.

RAID in Semi-dedicated Hosting

The information uploaded to any semi-dedicated hosting account is saved on NVMe drives that work in RAID-Z. One of the drives in this kind of a configuration is used for parity - every time data is copied on it, an extra bit is added. In case a disk turns out to be flawed, it will be removed from the RAID without interrupting the work of the websites as the data will load from the remaining drives, and when a brand new drive is included, the info which will be copied on it will be a mix between the info on the parity disk and data stored on the other hard disks in the RAID. That is done in order to guarantee that the data which is being duplicated is accurate, so once the new drive is rebuilt, it could be integrated into the RAID as a production one. This is an extra warranty for the integrity of your information since the ZFS file system that runs on our cloud web hosting platform compares a special checksum of all the copies of your files on the various drives to avoid any possibility of silent data corruption.

RAID in VPS Web Hosting

All virtual private server accounts that our company provides are made on physical servers which take advantage of NVMe drives functioning in RAID. At least one drive is intended for parity - one extra bit is included in the info duplicated on it and if a main disk stops working, this bit makes it easier to recalculate the bits of the files on the damaged disk drive so that the accurate data is recovered on the new drive included in the RAID. Meanwhile, your websites will stay online as all the info will still load from at least 1 other disk drive. In case you add regular backups to your VPS plan, a copy of your data will be saved on standard hard drives which also operate in RAID since we want to make certain that any kind of website content you upload will be risk-free at all times. Working with multiple drives in RAID for all the main and backup servers permits us to offer fast and reliable Internet hosting service.