RAID

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RAID, which is an acronym of Redundant Array of Independent Disks, is a software or hardware storage virtualization technology that permits a system to employ several hard drives as one single logical unit. Put simply, all drives are used as one and the data on all of them is identical. Such a configuration has two huge advantages over using just a single drive to store data - the first one is redundancy, so if one drive doesn't work, the data will be accessed through the others, and the second one is better performance as the input/output, or reading/writing operations will be distributed among several drives. There are different RAID types in accordance with what amount of drives are employed, whether reading and writing are both executed from all the drives concurrently, whether data is written in blocks on one drive after another or is mirrored between drives in the same time, etcetera. Based on the exact setup, the fault tolerance and the performance could differ.

RAID in Shared Website Hosting

All of the content which you upload to your new shared website hosting account will be saved on fast NVMe drives which function in RAID-Z. This configuration is built to employ the ZFS file system which runs on our cloud hosting platform and it adds one more level of security for your site content in addition to the real-time checksum authentication that ZFS uses to ensure the integrity of the data. With RAID-Z, the info is saved on a number of disks and at least 1 is a parity disk - whenever info is written on it, an additional bit is added, so in the event that any drive stops functioning for some reason, the stability of the data 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 will not be interrupted and it will continue operating efficiently until the faulty drive is replaced and the data is synchronized on it.

RAID in Semi-dedicated Servers

In case you host your sites within a semi-dedicated server account from our firm, all the content that you upload will be kept on NVMe drives which work in RAID-Z. With this form of RAID, at least 1 of the hard disks is employed for parity - when data is synced between the hard drives, an extra bit is added to it on the parity one. The idea behind this is to guarantee the integrity of the data that is duplicated to a brand new drive in the event that one of the disks in the RAID stops working because the website content being copied on the brand new disk is recalculated from the information on the standard disk drives and on the parity one. An additional advantage of RAID-Z is the fact that even in the event that a drive stops functioning, the system can easily switch to another one quickly without service interruptions of any kind. RAID-Z adds one more level of protection for the content that you upload on our cloud hosting platform in addition to the ZFS file system that uses unique checksums in order to verify the integrity of each file.

RAID in VPS Servers

In case you use one of our VPS server plans, any content which you upload will be stored on NVMe drives that function in RAID. At least 1 drive is intended for parity to guarantee the integrity of your data. In simple terms, this is a special drive where data is copied with one bit added to it. In the event that a disk within the RAID stops working, your websites will continue working and when a new disk takes the place of the flawed one, the bits of the information that will be duplicated on it are calculated by using the healthy and the parity drives. That way, any potential for corrupting data throughout the process is avoided. We also use regular hard disks that work in RAID for storing backups, so should you include this service to your VPS package, your content will be stored on multiple drives and you will never need to worry about its integrity even in the event of multiple drive breakdowns.