Data corruption is the damage of information caused by various software or hardware fails. The moment a file gets damaged, it will no longer work as it should, so an application will not start or will give errors, a text file could be partially or completely unreadable, an archive will be impossible to open and unpack, etc. Silent data corruption is the process of info getting harmed without any identification by the system or an admin, that makes it a significant problem for web hosting servers as failures are much more likely to happen on larger hard disk drives where vast volumes of information are located. In case a drive is part of a RAID and the data on it is replicated on other drives for redundancy, it is very likely that the bad file will be treated as an undamaged one and it will be duplicated on all the drives, making the damage permanent. A huge number of the file systems which run on web servers these days often cannot identify corrupted files in real time or they need time-consuming system checks during which the server is not working.
No Data Corruption & Data Integrity in Cloud Hosting
In case you host your websites in a cloud hosting
account from our company, you don't have to worry about any of your data ever getting damaged. We can guarantee that due to the fact that our cloud hosting platform works with the advanced ZFS file system. The latter is the only file system that works with checksums, or unique digital fingerprints, for each file. All the information that you upload will be kept in a RAID i.e. simultaneously on numerous SSDs. All file systems synchronize the files between the different drives with this kind of a setup, but there is no real warranty that a file won't get corrupted. This can occur throughout the writing process on any drive and afterwards a corrupted copy may be copied on the other drives. What makes the difference on our platform is the fact that ZFS examines the checksums of all files on all the drives right away and when a corrupted file is identified, it is substituted with a good copy with the correct checksum from another drive. This way, your info will stay undamaged no matter what, even if an entire drive fails.
No Data Corruption & Data Integrity in Semi-dedicated Servers
You won't have to deal with any silent data corruption issues whatsoever should you acquire one of our semi-dedicated server
packages because the ZFS file system that we employ on our cloud hosting platform uses checksums in order to guarantee that all files are undamaged all the time. A checksum is a unique digital fingerprint which is allotted to each and every file saved on a server. Since we store all content on multiple drives at the same time, the same file uses the same checksum on all of the drives and what ZFS does is that it compares the checksums between the different drives right away. In case 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 right away, avoiding any possibility of the damaged copy to be synchronized on the remaining hard disks. ZFS is the only file system you can find that uses checksums, which makes it much more reliable than other file systems which cannot identify silent data corruption and duplicate bad files across hard drives.