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Merge pull request #1307 from trapexit/readme
Add NFS options to remote filesystems section of readme
pull/1189/merge
2.40.0
trapexit
9 months ago
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2 changed files with
30 additions and
4 deletions
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README.md
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man/mergerfs.1
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@ -2054,11 +2054,15 @@ generally recommended to use SMB when possible till situations |
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change. That said issues should still be reported. NFS is not really |
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recommended but it isn't unsupported. |
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When exporting mergerfs via NFS ensure to set the following config: |
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mergerfs settings: |
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* noforget |
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* inodecalc=path-hash |
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* export-support=false (only available in v2.40.0 and above) |
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NFS export settings: |
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* fsid=UUID |
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* no\_root\_squash |
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`noforget` is needed because NFS uses the `name_to_handle_at` and |
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`open_by_handle_at` functions which allow a program to keep a |
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reference to a file without technically having it open in the typical |
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@ -2093,6 +2097,16 @@ Also see [Kernel Issues & |
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Bugs](https://github.com/trapexit/mergerfs/wiki/Kernel-Issues-&-Bugs) |
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for more details. |
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`fsid=UUID` is needed because FUSE filesystems don't have different |
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`st_dev` values which can cause issues when exporting. The easiest |
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thing to do is set each mergerfs export `fsid` to some random |
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value. An easy way to generate a random value is to use the command |
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line tool `uuidgen` or through a website such as |
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[uuidgenerator.net](https://www.uuidgenerator.net/). |
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`no_root_squash` is not strictly necessary but can lead to confusing |
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permission and ownership issues. |
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## SMB / CIFS |
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@ -2591,9 +2591,10 @@ use SMB when possible till situations change. |
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That said issues should still be reported. |
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NFS is not really recommended but it isn\[cq]t unsupported. |
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.PP |
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When exporting mergerfs via NFS ensure to set the following config: * |
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noforget * inodecalc=path-hash * export-support=false (only available in |
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v2.40.0 and above) |
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mergerfs settings: * noforget * inodecalc=path-hash * |
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export-support=false (only available in v2.40.0 and above) |
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.PP |
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NFS export settings: * fsid=UUID * no_root_squash |
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.PP |
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\f[C]noforget\f[R] is needed because NFS uses the |
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\f[C]name_to_handle_at\f[R] and \f[C]open_by_handle_at\f[R] functions |
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@ -2635,6 +2636,17 @@ appropriate details. |
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Also see Kernel Issues & |
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Bugs (https://github.com/trapexit/mergerfs/wiki/Kernel-Issues-&-Bugs) |
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for more details. |
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.PP |
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\f[C]fsid=UUID\f[R] is needed because FUSE filesystems don\[cq]t have |
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different \f[C]st_dev\f[R] values which can cause issues when exporting. |
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The easiest thing to do is set each mergerfs export \f[C]fsid\f[R] to |
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some random value. |
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An easy way to generate a random value is to use the command line tool |
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\f[C]uuidgen\f[R] or through a website such as |
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uuidgenerator.net (https://www.uuidgenerator.net/). |
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.PP |
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\f[C]no_root_squash\f[R] is not strictly necessary but can lead to |
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confusing permission and ownership issues. |
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.SS SMB / CIFS |
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.PP |
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SMB (https://en.wikipedia.org/wiki/Server_Message_Block) is a protocol |
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