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This also presumes that the target's rsync implementation and filesystem supports the same metadata.
by throwawayboise 5y ago
This also presumes that the target's rsync implementation and filesystem supports the same metadata.
- adrian_b 5y agoMost modern file systems have been updated to support equivalent metadata. However many old versions of file systems lacked support for things like high-resolution timestamps, extended attributes or access-control lists. Because such support has been introduced much later, there are a lot of programs for archiving, backup and copying which lose such metadata, at least with their default options. While equivalent metadata exists on Linux XFS and EXT4, Windows NTFS, FreeBSD UFS and ZFS etc. each platform has different APIs for accessing file metadata (and on Linux the API may vary even between the many available file systems), so only few programs, like rsync, are able to copy everything while taking care to use the correct API to replicate the metadata without losing information.