On Windows, URL endpoints such as http://host:9000/C:/data{1...4} (the only
form multi-node and pool-expansion layouts accept) produced the disk path
`/C:/data1`: `try_from` stripped the synthetic slash, but `Url::set_path`
put it back, and `get_file_path` only removed it for `file` endpoints.
Windows resolves `/C:/data1` as an invalid `C:` component under the current
drive, so disk validation and `resolve_local_disk_root` failed.
- `get_file_path` now restores `/X:/...` to `X:/...` for every scheme on
Windows; URL paths without a drive (`/export1`, `/C:foo`) are unchanged.
- UNC shares (`\\nas\share\d1`, `//nas/share/d1`, `\\?\UNC\...`) are rejected
with an explicit error instead of becoming a file URL whose host is the
share server and whose path drops the share name.
- A drive root (`http://host:9000/D:/`) is accepted in URL form, matching
the path-style `D:\` endpoint that was already accepted.
- The "distinct physical disks" error explains on Windows that directories
on one volume share a device identity, alongside the existing
RUSTFS_UNSAFE_BYPASS_DISK_CHECK hint.
- The Windows filesystem lane now runs on layout changes and runs the
layout::endpoint:: tests; new Windows tests carry the windows_ prefix.
- Document Windows endpoint forms, the same-volume check, and the SNSD
expansion limit in cluster-lifecycle-operations.md.
唐小鸭
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