Data corruption is the damage of info due to various hardware or software failures. After a file is damaged, it will no longer work accurately, so an application will not start or shall give errors, a text file will be partially or entirely unreadable, an archive will be impossible to open and unpack, etc. Silent data corruption is the process of information getting damaged without any acknowledgement by the system or an admin, that makes it a significant problem for website hosting servers as fails are more likely to occur on larger hard disks where considerable volumes of info are stored. In case a drive is a part of a RAID and the data on it is replicated on other drives for redundancy, it is more than likely that the bad file will be treated as a healthy one and it'll be duplicated on all drives, making the harm permanent. A lot of the file systems that run on web servers nowadays often are not able to locate corrupted files in real time or they need time-consuming system checks through which the server isn't functioning.
No Data Corruption & Data Integrity in Hosting
We warrant the integrity of the information uploaded in every hosting
account that is made on our cloud platform due to the fact that we use the advanced ZFS file system. The latter is the only one that was designed to prevent silent data corruption thanks to a unique checksum for every single file. We will store your information on a number of SSD drives that work in a RAID, so the very same files will be accessible on several places at once. ZFS checks the digital fingerprint of all the files on all the drives in real time and in case the checksum of any file differs from what it needs to be, the file system replaces that file with an undamaged copy from another drive in the RAID. No other file system uses checksums, so it is possible for data to be silently damaged and the bad file to be replicated on all drives over time, but since this can never happen on a server using ZFS, you won't have to concern yourself with the integrity of your data.
No Data Corruption & Data Integrity in Semi-dedicated Hosting
We've avoided any possibility of files getting corrupted silently due to the fact that the servers where your semi-dedicated hosting
account will be created employ a powerful file system known as ZFS. Its key advantage over alternative file systems is that it uses a unique checksum for every single file - a digital fingerprint that's checked in real time. As we store all content on multiple SSD drives, ZFS checks whether the fingerprint of a file on one drive corresponds to the one on the rest of the drives and the one it has stored. In the event that there is a mismatch, the damaged copy is replaced with a good one from one of the other drives and because this happens instantly, there's no chance that a corrupted copy can remain on our hosting servers or that it could be copied to the other hard disks in the RAID. None of the other file systems include this type of checks and furthermore, even during a file system check right after a sudden power loss, none of them can discover silently corrupted files. In comparison, ZFS will not crash after an electrical power failure and the continual checksum monitoring makes a time-consuming file system check obsolete.