Data corruption is the unintended change of a file or the losing of information that usually occurs during reading or writing. The reason can be hardware or software failure, and because of this, a file can become partially or completely corrupted, so it'll no longer function as it should as its bits will be scrambled or lacking. An image file, for instance, will no longer display a real image, but a random combination of colors, an archive will be impossible to unpack as its content will be unreadable, etcetera. In case this kind of a problem occurs and it isn't identified by the system or by an administrator, the data will get corrupted silently and if this happens on a drive which is part of a RAID array where the data is synchronized between different drives, the corrupted file will be replicated on all of the other drives and the harm will be permanent. Numerous frequently used file systems either don't offer real-time checks or don't have good ones which will detect an issue before the damage is done, so silent data corruption is a very common issue on hosting servers where large volumes of data are stored.

No Data Corruption & Data Integrity in Hosting

The integrity of the data which you upload to your new hosting account shall be guaranteed by the ZFS file system that we employ on our cloud platform. Most of the web hosting suppliers, like our firm, use multiple hard disk drives to keep content and since the drives work in a RAID, exactly the same data is synchronized between the drives at all times. When a file on a drive gets damaged for whatever reason, yet, it is very likely that it will be duplicated on the other drives because other file systems don't feature special checks for this. In contrast to them, ZFS works with a digital fingerprint, or a checksum, for each and every file. In case a file gets corrupted, its checksum will not match what ZFS has as a record for it, therefore the damaged copy will be swapped with a good one from another hard disk. Because this happens immediately, there is no possibility for any of your files to ever get damaged.

No Data Corruption & Data Integrity in Semi-dedicated Servers

We have avoided any possibility of files getting damaged silently as the servers where your semi-dedicated server account will be created use a powerful file system called ZFS. Its basic advantage over alternative file systems is that it uses a unique checksum for every single file - a digital fingerprint that is checked in real time. Since we save all content on a number of SSD drives, ZFS checks whether the fingerprint of a file on one drive matches the one on the rest of the drives and the one it has stored. In the event that there is a mismatch, the bad copy is replaced with a healthy one from one of the other drives and considering that this happens instantly, there is no chance that a corrupted copy can remain on our website hosting servers or that it can be copied to the other drives in the RAID. None of the other file systems use this type of checks and in addition, even during a file system check following an unexpected power failure, none of them can discover silently corrupted files. In comparison, ZFS does not crash after a power loss and the continual checksum monitoring makes a lenghty file system check obsolete.