Data corruption is the damage of information due to various hardware or software problems. Once a file gets corrupted, it will no longer work accurately, so an app will not start or shall give errors, a text file could be partially or completely unreadable, an archive file will be impossible to open then unpack, etc. Silent data corruption is the process of data getting damaged without any acknowledgement by the system or an admin, which makes it a serious problem for web hosting servers as problems are very likely to occur on larger in size hard disk drives where significant volumes of information are kept. If a drive is a part of a RAID and the data on it is replicated on other drives for redundancy, it is very likely that the damaged file will be treated as a good one and will be copied on all drives, making the harm permanent. A lot of the file systems which operate on web servers nowadays often cannot recognize corrupted files in real time or they need time-consuming system checks through which the server isn't operational.
No Data Corruption & Data Integrity in Cloud Hosting
In case you host your sites in a cloud hosting
account from our company, you won't need to worry about any of your data ever getting damaged. We can guarantee that due to the fact that our cloud hosting platform uses the state-of-the-art ZFS file system. The aforementioned is the only file system that works with checksums, or unique digital fingerprints, for each file. Any kind of info that you upload will be kept in a RAID i.e. simultaneously on multiple SSDs. All file systems synchronize the files between the separate drives with this kind of a setup, but there is no real guarantee that a file will not get corrupted. This can happen throughout the writing process on each drive and after that a damaged copy may be copied on all other drives. What is different on our platform is the fact that ZFS examines the checksums of all files on all the drives immediately and when a corrupted file is located, it's replaced with a good copy with the correct checksum from some other drive. In this way, your data will stay intact no matter what, even if a whole drive fails.
No Data Corruption & Data Integrity in Semi-dedicated Servers
You will not experience any kind of silent data corruption issues should you get one of our semi-dedicated server
solutions because the ZFS file system that we take advantage of on our cloud hosting platform uses checksums in order to ensure that all of your files are undamaged at all times. A checksum is a unique digital fingerprint which is allotted to each and every file stored on a server. Due to the fact that we store all content on a number of drives at the same time, the same file uses the same checksum on all 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 chance of the corrupted copy to be synchronized on the other hard drives. ZFS is the only file system you can get that uses checksums, which makes it far superior to other file systems that are unable to identify silent data corruption and copy bad files across hard drives.