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Removed ZFS configuration details

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Scot W. Stevenson 2019-04-15 19:00:28 +02:00
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39
docs/applications/emby.md
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@ -7,7 +7,6 @@ install for Ansible-NAS provides a server, which various clients can then
connect to from various platforms such as other computers, smartphones and smart
TVs.
Note that [Plex](https://www.plex.tv/), also included in Ansible-NAS, has a very
similar functionality.
@ -24,7 +23,7 @@ configured) of your NAS. Note that Heimdall has a dedicated icon for emby.
By default, Ansible-NAS gives emby read/write access to the folders where your
movies and TV shows are stored. To change this to read-only, edit the following
lines in `tasks/emby.yml`
lines in `all.yml`:
```
- "{{ emby_movies_directory }}:/movies:rw"
@ -38,39 +37,11 @@ configuration directory read/write.
## File system considerations
You might want to create special ZFS datasets for TV shows and movies, as these
are usually large files. This means you can change the record size parameter
from its default value of 128K to 1M. Larger blocks cut down on the metadata
that the system has to manage, as various parts of ZFS work on the block level.
Movie and TV show files are almost alway very large and pre-compressed. If you
are using a specialized filesystem such das ZFS for bulk storage, you'll want to
set the parameters accordingly. The [ZFS
configuration documentation](zfs/zfc_configuration.md) has an example of this.
Assuming we have a ZFS pool named `tank`, the instruction sequence might look
something like this:
```
sudo zfs create tank/movies
sudo zfs set recordsize=1M tank/movies
sudo zfs create tank/tv
sudo zfs set recordsize=1M tank/tv
```
Changing the record size will not affect files already stored in the data set,
only new files. See [this
discussion](https://blog.programster.org/zfs-record-size) about record sizes for
media data sets and [this
video](https://www.youtube.com/watch?v=SJB1cJfcjYI&feature=youtu.be&t=14m41s)
for more information.
Since video files are almost always compressed, you might want to turn off
`compression` for the data set. However, ZFS automatically detects data that
can't be compressed and aborts the procedure.
> At time of writing, native encryption of ZFS datasets is not supported in the
> release versions of ZFS on Linux (ZoL), but is scheduled for [version
> 0.8.0](https://github.com/zfsonlinux/zfs/releases/tag/zfs-0.8.0-rc3) sometime
> in 2019. It is unclear when Ubuntu will upgrade their version of ZFS.
To see all properties of a ZFS dataset, use `zfs get all <DATASET>`.
## Naming movies and TV shows