> Checking NAS backups
I’m just setting up a new NAS with mirrored hard disks to store my backups in APFS. How often should I check its integrity?
Network Attached Storage (NAS) systems use file systems different from HFS+ and APFS as used by Macs. To store Time Machine backups on a NAS, macOS creates a virtual file system inside a sparse bundle, a structured set of files storing the virtual disk in a great many “band” files. To the Mac connected to that share, the sparse bundle looks