Often questions come up about the meaning of FileIDs and ETags. Both values are metadata that the ownCloud Server stores for each of the files and directories in the server database. These values are fundamentally important for the integrity of data in the overall system. Here are some thoughts about what they are why these are so important.This is mainly from a clients point of view, but there are other use cases as well....
Along with todays ownCloud 4.5 release we released the new ownCloud Client 1.1.0 with a new syncing concept. This blog will shed some light on the details. I apologize, it’s a long read. Time Issues ownCloud Client versions 1.0.x worked with csyncs traditional way of using the file modification times to detect updates between the two repositories that should be synced to each other. That works fine and conforms to our idea to ideally not use any other metadata in syncing than what the file system has anyway....