Data corruption is the unintentional change of a file or the loss of info that often occurs during reading or writing. The reason may be hardware or software failure, and due to this fact, a file may become partially or entirely corrupted, so it will no longer function correctly since its bits shall be scrambled or lacking. An image file, for instance, will no longer show an actual image, but a random combination of colors, an archive will be impossible to unpack because its content will be unreadable, etcetera. If such an issue occurs and it is not found by the system or by an administrator, the data will be corrupted silently and when this happens on a drive that's part of a RAID array where the info is synchronized between various drives, the corrupted file will be copied on all the other drives and the damage will be permanent. A large number of commonly used file systems either do not offer real-time checks or do not have high quality ones which can detect an issue before the damage is done, so silent data corruption is a rather common problem on web hosting servers where huge volumes of info are stored.

No Data Corruption & Data Integrity in Cloud Hosting

We've resolved the problem of silent data corruption on our cloud hosting servers by using the advanced Z file system, or ZFS. The latter is more advanced than other file systems since it is the only one out there that checks all files in real time by employing a checksum - a digital identifier that is unique for each and every file. When you upload content to your account, it will be stored on several SSD drives and constantly synchronized between them for redundancy. ZFS constantly examines the checksum of all files and in the event that any file is detected as corrupted, it is replaced promptly with a good copy from some other disk. As this happens in real time, there's no risk that a damaged file may remain or may be copied on the remaining SSDs. ZFS needs plenty of physical memory to execute the real-time checks and the benefit of our cloud hosting platform is that we take advantage of multiple very powerful servers working together. If you host your websites with us, your information will be intact no matter what.

No Data Corruption & Data Integrity in Semi-dedicated Hosting

You won't encounter any kind of silent data corruption issues whatsoever if you acquire one of our semi-dedicated hosting solutions since the ZFS file system that we take advantage of on our cloud hosting platform uses checksums to guarantee that all files are intact all the time. A checksum is a unique digital fingerprint which is allotted to each and every file saved on a server. Because we store all content on multiple drives simultaneously, the same file uses the same checksum on all drives and what ZFS does is that it compares the checksums between the different drives right away. If it detects that a file is corrupted and its checksum is different from what it should be, it replaces that file with a healthy copy without delay, avoiding any chance of the damaged copy to be synchronized on the rest of the drives. ZFS is the sole file system you can find which uses checksums, which makes it far superior to other file systems which cannot identify silent data corruption and duplicate bad files across drives.