Unfortunate some files are deleted from the internal HDD in the router. The úndelete'/restore tools I found on the internet were not able to detect the disk.
Even not when the tool indicated it had network-support.
Also linking the disk (the disk is ok and still visible within the network) to a logical drive name did not solve the problem.
Most tools assume you have a physical connection with the disk either USB or internal bus within the computer. The disk in the router is ofcourse connected to the processor and it's internal bus.

Does anybody know if I can solve the problem (undelete a file) from a windows PC ? Or should I look more closely into a potential LINUX solution ?
My Linux/Unix knowhow is a little rusty, so I don't know how to handle thsi type of problems with UNIX.

I had a mirror disk connected to the router. However decoupling this disk from the router and connecting to the PC resulted into a disk not recognized by Windows-Vista. propsably the partitions can not be read by MS-Vista.
Is it possible to read the mirro disk from a Windows PC ?

Thank for any hint or help !