RAID

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Redundant Array of Independent Disks, or RAID, is a way of storing content on a number of hard drives at the same time. A RAID might be software or hardware depending on the hard drives which are used - physical or logical ones, but what is common between them is that they all function as a single unit where info is stored. The top advantage of using a RAID is redundancy because the info on all of the drives will be the same all the time, so even in case a drive fails for whatever reason, the data will still be available on the rest of the drives. The general performance will also improve as the reading and writing processes can be split between various drives, so a single one will not be overloaded. There're different kinds of RAIDs where the functionality and fault tolerance could differ depending on the particular setup - whether your data is written on all the drives real-time or it is written on a single drive and then mirrored on another, what amount of drives are used for the RAID, and many others.

RAID in Semi-dedicated Servers

In case you host your Internet sites inside a semi-dedicated server account from our company, all of the content that you upload will be stored on NVMe drives which work in RAID-Z. With this form of RAID, at least one of the hard drives is used for parity - when data is synced between the hard drives, an extra bit is included in it on the parity one. The reasoning behind this is to ensure the integrity of the data which is copied to a brand new drive in case one of the drives in the RAID fails because the site content being copied on the brand new disk is recalculated from the data on the standard hard drives and on the parity one. An additional advantage of RAID-Z is the fact that even in case a hard drive stops functioning, the system can switch to a different one right away without service interruptions of any sort. RAID-Z adds an extra level of protection for the content which you upload on our cloud Internet hosting platform along with the ZFS file system which uses unique checksums in order to validate the integrity of each and every file.

RAID in VPS Servers

The physical servers where we generate VPS server employ super fast NVMe drives which will raise the speed of your sites considerably. The hard drives function in RAID to make sure that you will not lose any data because of a power loss or a hardware malfunction. The production servers work with multiple drives where the information is stored and one disk is used for parity i.e. one bit is added to all of the information copied on it, that makes it easier to recover the content without any loss in case a main drive stops working. In case you pick our backup service, the data will be saved on a separate machine that uses standard hard-disk drives and although there's no parity one in this case, they are also in a RAID to guarantee that we will have a backup copy of your content all of the time. With this kind of setup your data will always be safe because it will be available on a lot of drives.