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Document USB and CIFS behaviour in combination with NFS

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Bas v.d. Wiel 2023-03-13 14:10:13 +01:00
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README.md
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@ -159,6 +159,24 @@ permissions set on them.
You're dealing with the dark underbelly of the 1970's world of UNIX here. Learn it, it's fun! Or use
something like a USB-drive or a bigger SD-card instead.
## Combinations with USB and CIFS storage
MiSTer provides alternative options for storage next to NFS. At the time of this writing, these options
have not been unified into any kind of Grand Unifying Storage Architecture for the MiSTer so this is
the observed behavior from initial testing.
USB trumps everything. When you attach USB-storage, its contents get overlaid onto everything else
including CIFS and NFS storage options.
CIFS and NFS do coexist fairly peacefully since they both have different mechanics of exposing their
contents to the user. The NFS-script overlays the NFS mounts onto the existing structures on the SD-card,
while CIFS exposes its own ```cifs``` directory which the cores prefer when they detect it, giving you
the option of navigating to the SD-card directory structures that sit alongside it.
At this point in time, these items are simply facts of life. If/when NFS sees any significat uptake it'd
probably be a good idea to unify alternative storage options into a predictable mechanism. For now the
user should note that these differences exist.
## General wonkiness after turning my MiSTer off
As mentioned before, NFS comes from datacenters where one does not simply power off a machine. NFS