Data corruption is the accidental change of a file or the loss of information which often occurs during reading or writing. The reason could be hardware or software malfunction, and as a result, a file can become partially or fully corrupted, so it will no longer work properly because its bits shall be scrambled or lacking. An image file, for example, will no longer display a real image, but a random mix of colors, an archive will be impossible to unpack because its content will be unreadable, etc. When this kind of a problem appears and it's not found by the system or by an administrator, the data will be corrupted silently and when this happens on a drive which is part of a RAID array where the information is synced between different drives, the corrupted file will be reproduced on all other drives and the damage will become long term. A large number of frequently used file systems either don't feature real-time checks or do not have good ones which can detect a problem before the damage is done, so silent data corruption is a very common problem on web hosting servers where large amounts of info are stored.
No Data Corruption & Data Integrity in Web Hosting
In case you host your websites in a web hosting account from our company, you won't need to worry about any of your data ever getting corrupted. We can guarantee that since our cloud hosting platform uses the leading-edge ZFS file system. The aforementioned is the only file system which works with checksums, or unique digital fingerprints, for each file. All the info that you upload will be saved in a RAID i.e. simultaneously on a number of SSDs. Many file systems synchronize the files between the separate drives with this type of a setup, but there is no real guarantee that a file won't get corrupted. This can occur during the writing process on any drive and afterwards a damaged copy may be copied on all other drives. What is different on our platform is the fact that ZFS analyzes the checksums of all files on all of the drives live and when a corrupted file is located, it's substituted with a good copy with the correct checksum from some other drive. In this way, your info will remain unharmed no matter what, even if a whole drive fails.