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Where and how are your photos stored? What is being done to ensure their safety?
Piwigo.com is a service of Pigolabs, a company registered in France. We chose OVH, another French company, to host our servers. OVH is the largest internet hosting provider in Europe and 3rd worldwide.
Each Piwigo.com account is hosted on one of our dedicated servers. We fully control each server and it is not shared with other OVH customers. All servers are in France, distributed between Roubaix, Strasbourg and Gravelines.
Servers are located in France but accessed from all around the world! Piwigo.com customers are in more than 50 countries and their visitors in more than 220 countries. OVH has its own fiber optic network, mainly in Europe and in the USA. By controlling its own network, OVH is able to offer the best possible bandwidth and access times.
From here, explanations get a bit technical. It's fine if you don't understand anything at all. Actually it would even be quite normal:-) We provide this information transparently, because we know some technical users are fond of such details.
Each server includes redundant hard drives. In other words, it means that if one drive dies, its "twin drive" continues to operate alone without any service interruption and without loss of data. Servers with only two disks use RAID 1, servers with 3+ disks use RAID 5. Given the "mechanical" nature of hard drives and the growing number of disks used, failure has become a "routine" maintenance task.
Each server has a spare server, synchronized every night with its "master" server. Both servers are not in the same data center. If a data center is a victim of fire, for example, we avoid losing the two servers at the same time. When a failure occurs or when maintenance is required, we "route" connections to the spare server, in read-only mode. During the maintenance, it is not possible to administer your Piwigo, but the site remains accessible for your visitors.
As you can see, we do our best to ensure the sustainability of your photos, even if there is no such thing as zero risk. Since the beginning of its activity in 2010 and among millions of photos hosted, none was ever lost on Piwigo.com.
Each Piwigo.com account has its own database, which contains all Piwigo data: photos with their properties, albums, user comments, visit logs, configuration, and so on.
The databases are "dumped" every night. We keep, at least, the last 30 dumps of each database. This can be useful if you make a "mistake" and you need to restore. For example if you accidentally delete a root album despite the confirmation request ... Do not laugh, this can also happen to you ;-)
New feature, November 2017 in addition to daily backup, we have implemented a "higher frequency" backup. Currently scheduled every 15 minutes. This tool detects if any change has occured to your Piwigo. In case of change, your Piwigo is synchronized on the spare server.
Piwigo.com does not practice any "vendor lock-in" technique towards its customers: you can always recover all of your photos, a directory of local files (configuration, banners, watermarks, etc.) and also a dump of your database. You have complete freedom to move your Piwigo to another host or even self-hosting at home.