The process of files being corrupted resulting from some hardware or software failure is known as data corruption and this is one of the main problems which web hosting companies face as the larger a hard disk is and the more data is kept on it, the much more likely it is for data to be corrupted. There're a couple of fail-safes, still often the data is corrupted silently, so neither the particular file system, nor the admins notice anything. Thus, a bad file will be handled as a regular one and if the HDD is a part of a RAID, that particular file will be duplicated on all other disk drives. Theoretically, this is for redundancy, but in reality the damage will get even worse. When some file gets damaged, it will be partly or completely unreadable, therefore a text file will no longer be readable, an image file will present a random combination of colors in case it opens at all and an archive will be impossible to unpack, so you risk losing your content. Although the most commonly used server file systems include various checks, they often fail to find a problem early enough or require a long time period to be able to check all the files and the hosting server will not be operational for the time being.

No Data Corruption & Data Integrity in Shared Web Hosting

We have tackled the issue of silent data corruption on our shared web hosting servers by using the hi-tech Z file system, or ZFS. The latter is more advanced than other file systems since it is the only one in existence that checks all files right away by employing a checksum - a digital identifier that is unique for every single file. When you upload content to your account, it'll be stored on several NVMe drives and frequently synchronized between them for redundancy. ZFS constantly analyzes the checksum of all files and in the event that any file is detected as corrupted, it is replaced quickly with a good copy from some other disk. As this happens in real time, there is no risk that a damaged file may remain or may be duplicated on the remaining NVMes. ZFS requires a lot of physical memory in order to execute the real-time checks and the benefit of our cloud website hosting platform is that we take advantage of multiple powerful servers working together. If you host your websites with us, your info will be undamaged no matter what.

No Data Corruption & Data Integrity in Semi-dedicated Hosting

If you obtain one of our semi-dedicated hosting solutions, you won't need to be concerned about silent file corruption since we use ZFS - an advanced file system that monitors all of the files in real time. Whenever you upload a file to your hosting account, ZFS will assign a unique digital fingerprint to it - the so-called checksum. That file will be synchronized between several NVMe drives for redundancy, so if a drive fails, the other ones will take over. ZFS compares the checksum of all of the copies on the different drives and in case it detects a damaged copy, it replaces it with a healthy one from another drive. This happens immediately, so there will be no danger for any part of your content at any moment. By comparison, other file systems perform checks after a system malfunction, but since they don't use anything similar to the checksums that ZFS uses, they won't detect silently corrupted files, so a corrupted copy could be replicated on the rest of the drives as well and you can lose important data. Because this is not the case with ZFS, we are able to warrant the integrity of every single file you upload no matter what.