The process of files being corrupted because of some hardware or software failure is called data corruption and this is among the main problems that hosting companies face as the larger a hard disk is and the more information is kept on it, the much more likely it is for data to get corrupted. You will find several fail-safes, but often the info gets corrupted silently, so neither the particular file system, nor the admins detect anything. Because of this, a corrupted file will be treated as a good one and if the hard disk drive is a part of a RAID, that particular file will be duplicated on all other drives. In principle, this is for redundancy, but in practice the damage will be even worse. When a given file gets corrupted, it will be partially or completely unreadable, which means that a text file will not be readable, an image file will display a random combination of colors if it opens at all and an archive shall be impossible to unpack, so you risk sacrificing your content. Although the most popular server file systems feature various checks, they are likely to fail to identify some problem early enough or require a long period of time to be able to check all of the files and the web hosting server will not be operational for the time being.
No Data Corruption & Data Integrity in Cloud Hosting
The integrity of the data that you upload to your new cloud hosting account shall be ensured by the ZFS file system which we make use of on our cloud platform. The majority of hosting suppliers, like our firm, use multiple HDDs to store content and considering that the drives work in a RAID, identical information is synchronized between the drives at all times. In case a file on a drive is corrupted for reasons unknown, yet, it is likely that it will be reproduced on the other drives since other file systems do not feature special checks for this. Unlike them, ZFS employs a digital fingerprint, or a checksum, for each file. In the event that a file gets damaged, its checksum won't match what ZFS has as a record for it, which means that the damaged copy shall be swapped with a good one from a different hard disk drive. Because this happens immediately, there's no possibility for any of your files to ever be damaged.
No Data Corruption & Data Integrity in Semi-dedicated Hosting
We've avoided any chance of files getting damaged silently because the servers where your semi-dedicated hosting account will be created take advantage of a powerful file system called ZFS. Its basic advantage over other file systems is that it uses a unique checksum for every single file - a digital fingerprint which is checked in real time. As we save all content on a number of NVMe drives, ZFS checks whether the fingerprint of a file on one drive corresponds to the one on the other drives and the one it has stored. In case there is a mismatch, the damaged copy is replaced with a healthy one from one of the other drives and because it happens instantly, there is no chance that a corrupted copy can remain on our web hosting servers or that it could be duplicated to the other drives in the RAID. None of the other file systems work with this kind of checks and what is more, even during a file system check right after a sudden blackout, none of them will detect silently corrupted files. In comparison, ZFS does not crash after a power failure and the constant checksum monitoring makes a time-consuming file system check obsolete.