docs: rclone mount on macOS with macFUSE and FUSE-T

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Justin Winokur 2023-03-13 04:55:39 -06:00 committed by GitHub
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@ -238,6 +238,44 @@ Read more in the [install documentation](https://rclone.org/install/).
Note that mapping to a directory path, instead of a drive letter,
does not suffer from the same limitations.
## Mounting on macOS
Mounting on macOS can be done either via [macFUSE](https://osxfuse.github.io/)
(also known as osxfuse) or [FUSE-T](https://www.fuse-t.org/). macFUSE is a traditional
FUSE driver utilizing a macOS kernel extension (kext). FUSE-T is an alternative FUSE system
which "mounts" via an NFSv4 local server.
### FUSE-T Limitations, Caveats, and Notes
There are some limitations, caveats, and notes about how it works. These are current as
of FUSE-T version 1.0.14.
#### ModTime update on read
As per the [FUSE-T wiki](https://github.com/macos-fuse-t/fuse-t/wiki#caveats):
> File access and modification times cannot be set separately as it seems to be an
> issue with the NFS client which always modifies both. Can be reproduced with
> 'touch -m' and 'touch -a' commands
This means that viewing files with various tools, notably macOS Finder, will cause rlcone
to update the modification time of the file. This may make rclone upload a full new copy
of the file.
#### Unicode Normalization
Rclone includes flags for unicode normalization with macFUSE that should be updated
for FUSE-T. See [this forum post](https://forum.rclone.org/t/some-unicode-forms-break-mount-on-macos-with-fuse-t/36403)
and [FUSE-T issue #16](https://github.com/macos-fuse-t/fuse-t/issues/16). The following
flag should be added to the `rclone mount` command.
-o modules=iconv,from_code=UTF-8,to_code=UTF-8
#### Read Only mounts
When mounting with `--read-only`, attempts to write to files will fail *silently* as
opposed to with a clear warning as in macFUSE.
## Limitations
Without the use of `--vfs-cache-mode` this can only write files