Data corruption is the unintentional modification of a file or the loss of info which usually occurs during reading or writing. The reason may be hardware or software failure, and as a consequence, a file may become partially or fully corrupted, so it will no longer function correctly because its bits shall be scrambled or lost. An image file, for example, will no longer show an actual image, but a random mix of colors, an archive will be impossible to unpack because its content will be unreadable, and so on. When such a problem occurs and it isn't recognized by the system or by an admin, the data will become corrupted silently and if this happens on a drive that is part of a RAID array where the information is synchronized between various different drives, the corrupted file shall be reproduced on all of the other drives and the harm will be long term. Numerous frequently used file systems either do not have real-time checks or do not have high quality ones that will detect an issue before the damage is done, so silent data corruption is a very common matter on hosting servers where substantial amounts of info are stored.
No Data Corruption & Data Integrity in Shared Hosting
The integrity of the data that you upload to your new shared hosting
account will be guaranteed by the ZFS file system which we make use of on our cloud platform. Most internet hosting providers, including our firm, use multiple hard disks to keep content and considering that the drives work in a RAID, the exact same data is synchronized between the drives all of the time. If a file on a drive becomes damaged for whatever reason, yet, it's very likely that it will be reproduced on the other drives because other file systems don't include special checks for this. Unlike them, ZFS uses a digital fingerprint, or a checksum, for every single file. If a file gets corrupted, its checksum will not match what ZFS has as a record for it, therefore the damaged copy shall be swapped with a good one from a different drive. Because this happens right away, there's no risk for any of your files to ever be corrupted.
No Data Corruption & Data Integrity in Semi-dedicated Hosting
In case you get one of our semi-dedicated hosting
solutions, you will not have to worry about silent data corruption since we use ZFS - an advanced file system that keeps track of all files in real time. Each time you upload a file to your account, ZFS will assign a unique digital fingerprint to it - the so-called checksum. This file will be synchronized between multiple SSD 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 if it detects a damaged copy, it replaces it with a healthy one from another drive. This is done right away, so there will be no threat for any part of your content at any time. In comparison, alternative file systems perform checks only after a system breakdown, but since they don't use anything similar to the checksums which ZFS uses, they are unable to detect silently corrupted files, so a bad copy could be replicated on the remaining disks as well and you could lose crucial info. Since this isn't the case with ZFS, we are able to guarantee the integrity of every single file you upload no matter what.