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Update README.md #1189

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19 changes: 13 additions & 6 deletions README.md
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Expand Up @@ -33,6 +33,10 @@ is similar to **mhddfs**, **unionfs**, and **aufs**.
* Support for POSIX ACLs
* Misc other things

# TRAPS

* `mv` deletes your files. Just copy!
* Some applications need special settings. (NFS, torrents)

# HOW IT WORKS

Expand Down Expand Up @@ -97,11 +101,11 @@ start with one of the following option sets.

### Command Line

`mergerfs -o cache.files=partial,dropcacheonclose=true,category.create=mfs /mnt/hdd0:/mnt/hdd1 /media`
`mergerfs -o cache.files=partial,dropcacheonclose=true,category.create=mfs /mnt/hdd\*:/mnt/otherhdd:/mnt/rohdd=RO /media`

### /etc/fstab

`/mnt/hdd0:/mnt/hdd1 /media fuse.mergerfs cache.files=partial,dropcacheonclose=true,category.create=mfs 0 0`
`/mnt/hdd*:/mnt/otherhdd:/mnt/rohdd=RO /media fuse.mergerfs cache.files=partial,dropcacheonclose=true,category.create=mfs 0 0`

### systemd mount

Expand Down Expand Up @@ -360,7 +364,7 @@ branch. If not set the global value is used.
To make it easier to include multiple branches mergerfs supports
[globbing](http://linux.die.net/man/7/glob). **The globbing tokens
MUST be escaped when using via the shell else the shell itself will
apply the glob itself.**
apply the glob itself. Do not escape the glob in `fstab`.**


```
Expand Down Expand Up @@ -1636,6 +1640,8 @@ most recent mtime then use the `newest` policy for `getattr`.

#### 'mv /mnt/pool/foo /mnt/disk1/foo' removes 'foo'

**You read that correctly: moving a file deletes it!**

This is not a bug.

Run in verbose mode to better understand what's happening:
Expand All @@ -1653,9 +1659,10 @@ then removing the source. Since the source **is** the target in this
case, depending on the unlink policy, it will remove the just copied
file and other files across the branches.

If you want to move files to one filesystem just copy them there and
use mergerfs.dedup to clean up the old paths or manually remove them
from the branches directly.
If you want to move files to one filesystem just **copy** them there and
use `mergerfs.dedup` to clean up the old paths or manually remove them
from the underlying paths / branches directly. (Or just move them using
the underlying paths.)


#### cached memory appears greater than it should be
Expand Down