Data corruption is the damage of data because of various software or hardware problems. When a file is damaged, it will no longer function correctly, so an application will not start or shall give errors, a text file will be partially or fully unreadable, an archive file will be impossible to open then unpack, etc. Silent data corruption is the process of info getting harmed without any identification by the system or an administrator, that makes it a significant problem for web hosting servers as failures are more likely to happen on larger hard disks where significant volumes of info are located. In case a drive is part of a RAID and the info on it is replicated on other drives for redundancy, it is very likely that the damaged file will be treated as an ordinary one and it'll be copied on all the drives, making the harm permanent. Lots of the file systems that run on web servers nowadays often cannot find corrupted files right away or they need time-consuming system checks through which the server isn't working.

No Data Corruption & Data Integrity in Cloud Web Hosting

We have resolved the problem of silent data corruption on all our cloud web hosting servers by using the hi-tech Z file system, or ZFS. The latter is better than other file systems as it is the only one out there which checks all the files right away by using a checksum - a digital identifier that is unique for each file. When you upload content to your account, it will be stored on several SSD drives and constantly synced between them for redundancy. ZFS constantly examines the checksum of all files and when any file is detected as damaged, it is replaced immediately with a good copy from another disk. As this happens in real time, there is no risk that a bad file may remain or may be duplicated on the remaining SSDs. ZFS requires a lot of physical memory in order to execute the real-time checks and the advantage of our cloud website hosting platform is that we use multiple powerful servers working together. In case you host your Internet sites with us, your info will be intact no matter what.