All of them are not backed-up. The file lifetime decreases quickly for big files or for users who exceed 200 MB in total.
Typical examples are postscript files, figures etc, needed when working on a publication.
Again the file lifetime decreases quickly for big files or for users who exceed 256 MB in total. The scratch areas which are not under AFS are connected directly to our disk-server. They can be accessed directly in the read-only mode from dxplus and delshift clusters, otherwise they must be accessed by the RFIO package . Examples of use are provided. The allowed file size here is even higher, and although the file lifetime can be lower, it still should be several weeks.