The process of files being corrupted as a consequence of some hardware or software failure is referred to as data corruption and this is one of the main problems that hosting companies face as the larger a hard disk is and the more data is filed on it, the much more likely it is for data to be corrupted. There are several fail-safes, but often the info becomes damaged silently, so neither the file system, nor the administrators notice anything. Thus, a damaged file will be treated as a regular one and if the HDD is part of a RAID, that particular file will be copied on all other disk drives. In principle, this is done for redundancy, but in reality the damage will be worse. The moment a file gets damaged, it will be partly or entirely unreadable, which means that a text file will no longer be readable, an image file will display a random combination of colors in case it opens at all and an archive shall be impossible to unpack, so you risk sacrificing your site content. Although the most widely used server file systems feature various checks, they quite often fail to find some problem early enough or require an extensive amount of time to check all of the files and the server will not be operational in the meantime.
No Data Corruption & Data Integrity in Shared Website Hosting
We guarantee the integrity of the information uploaded in every shared website hosting account which is made on our cloud platform since we employ the advanced ZFS file system. The latter is the only one that was designed to prevent silent data corruption through a unique checksum for every single file. We shall store your data on multiple SSD drives which function in a RAID, so the very same files will exist on several places at once. ZFS checks the digital fingerprint of all the files on all of the drives in real time and in the event that the checksum of any file differs from what it has to be, the file system replaces that file with a healthy copy from a different drive within the RAID. No other file system uses checksums, so it's easy for data to become silently damaged and the bad file to be duplicated on all drives over time, but since this can never happen on a server running ZFS, you don't have to worry about the integrity of your data.