Redundant Array of Independent Disks, or RAID, is a way of saving content on several hard drives at the same time. A RAID could be software or hardware based on the drives that are used - physical or logical ones, however what’s common between them is the fact that they all perform as one single unit where info is saved. The key advantage of using a RAID is redundancy as the data on all drives will be the same all of the time, so even in case some drive fails for some reason, the information will still be present on the other drives. The general performance is enhanced as well as the reading and writing processes will be split between various drives, so a single one won't be overloaded. There're different kinds of RAIDs where the efficiency and fault tolerance may vary based on the particular setup - whether data is written on all the drives real-time or it's written on a single drive and afterwards mirrored on another, what amount of drives are used for the RAID, etc.

RAID in Shared Hosting

The state-of-the-art cloud web hosting platform where all shared hosting accounts are made uses super fast SSD drives as an alternative to the classic HDDs, and they operate in RAID-Z. With this configuration, several hard disk drives function together and at least one of them is a dedicated parity disk. Simply put, when data is written on the remaining drives, it is copied on the parity one adding an extra bit. This is done for redundancy as even in case a drive fails or falls out of the RAID for some reason, the data can be rebuilt and verified thanks to the parity disk and the data recorded on the other ones, which means that not a single thing will be lost and there will be no service interruptions. This is another level of security for your data in addition to the revolutionary ZFS file system which uses checksums to guarantee that all data on our servers is intact and is not silently corrupted.

RAID in Semi-dedicated Hosting

If you host your sites within a semi-dedicated hosting account from our company, any content that you upload will be held on SSD drives that work in RAID-Z. With this kind of RAID, at least 1 of the drives is employed for parity - when data is synced between the disks, an additional bit is included in it on the parity one. The reasoning behind this is to guarantee the integrity of the information which is duplicated to a brand new drive in the event that one of the drives in the RAID breaks down because the site content being copied on the brand new disk is recalculated from the information on the standard drives and on the parity one. Another advantage of RAID-Z is the fact that even in the event that a disk drive stops functioning, the system could switch to another one promptly without service disturbances of any type. RAID-Z adds an additional level of safety for the content that you upload on our cloud web hosting platform along with the ZFS file system which uses unique checksums so as to authenticate the integrity of each file.

RAID in VPS Hosting

All virtual private server accounts which our company offers are generated on physical servers that use SSD drives operating in RAID. At least one drive is employed for parity - one extra bit is added to the info copied on it and if a main disk stops working, this bit makes it much simpler to recalculate the bits of the files on the damaged drive so that the correct info is restored on the new drive added to the RAID. In the mean time, your Internet sites will remain online because all the information will still load from at least one other hard drive. If you add regular backups to your VPS plan, a copy of the data will be stored on standard disk drives which also function in RAID because we want to make sure that any kind of website content you add will be risk-free all of the time. Using multiple hard drives in RAID for all main and backup servers enables us to offer fast and reliable Internet hosting service.