On March 14, 2017 at 02:14, Mario said...
In 95% of DVRs/NVRs the answer would be yes.
OS, config, etc. reside on board.
HDDs are simply for storage.
Even if system is setup for RAID0 or 1, HDDs are allowed to be swapped.
Obviously you'll lose data depending on RAID type.
Now, if you got one of the PC based VMS with server type OS, you would treat that like a computer when it comes to HDD replacement.
^ This