If the system in question has RAID disks, it should be sufficient to grab one drive (depending on the RAID configuration) from the array. The FBI could take tha

If the system in question has RAID disks, it should be sufficient to grab one drive (depending on the RAID configuration) from the array. The FBI could take that home and examine it, while everything actually running on the server remains uninterrupted. One wonders whether their actual goal is not to gather evidence, but to actually interrupt the service.