RAID

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RAID, or Redundant Array of Independent Disks, is a technology for storing data on multiple hard disk drives which function together as one single logical unit. The drives can be physical or logical i.e. in the second case one drive is split into independent ones via virtualization software. In either case, the same info is kept on all the drives and the basic advantage of using such a setup is that in case a drive breaks down, the data will still be available on the other ones. Having a RAID also improves the performance because the input and output operations will be spread among a few drives. There are several types of RAID based on how many hard disks are used, whether writing is done 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 all of it is mirrored from one on the others. These factors show that the error tolerance as well as the performance between the different RAID types can vary.

: RAID in VPS Web Hosting

All virtual private server accounts that our company provides are created on physical servers that use NVMe drives functioning in RAID. At least 1 drive is used for parity - one additional bit is added to the data duplicated on it and if a main disk fails, this bit makes it much simpler to recalculate the bits of the files on the failed hard disk so that the accurate data is restored on the new drive included in the RAID. In the mean time, your sites will remain online because all the data will still load from at least one more drive. In case you add regular backups to your VPS plan, a copy of your information will be saved on standard hard disks which also work in RAID because we want to make certain that any kind of website content you upload will be protected all the time. Working with multiple drives in RAID for all of the main and backup servers permits us to offer fast and reliable Internet hosting service.