NAS (Network Attached Storage) refers to any device or system providing centralised storage and file sharing. However, a Synology NAS goes beyond that. It provides

The 321 backup strategy recommends holding three copies of your critical data (production data and two backups). There should be two different media types to store these, such as off-site, disk, or tape. One copy of the backup must be stored off-site to protect it from disaster. This strategy ensures the security of information and quick recovery.

In terms of data backup and recovery, a hot backup involves backing up data even as the system or application continues to operate. On the other hand, a cold backup refers to backing up data when the system or application is inactive.

XCopy and Robocopy are two robust file-copying tools provided by Windows. They offer a command-line interface with advanced features like bulk file copying, file monitoring, and faster speeds than the standard copy command. While they provide potent capabilities, there is an increased risk of making mistakes when using these tools.

We haven’t seen any significant differences between the UK instances of Wasabi, Azure (blobs) and AWS’ S3. We use all three within our business and some in multiple locations.