# Questions from a beginner

**URL:** <https://forums.suse.com/t/questions-from-a-beginner/18309>\
**Category:** SUSE Storage\
**Created:** [September 10, 2020, 2:38pm UTC](https://forums.suse.com/t/questions-from-a-beginner/18309 "2020-09-10T14:38:32Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![rprengel](https://avatars.discourse-cdn.com/v4/letter/r/bbce88/32.png) [@rprengel](https://forums.suse.com/u/rprengel)\
**Post date:** [September 10, 2020, 2:38pm UTC](https://forums.suse.com/t/questions-from-a-beginner/18309/1 "2020-09-10T14:38:32Z")

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Hallo,  
today I installed my first longhorn environment and everything seems to work.  
As a beginner I ve some questions:

1. 

How can I blacklist nodes not to be used by longhorn  
2)  
Where does longhorn stores its files on the nodes?  
3)  
Hows can I insert nfs-servers (Centos NFS4 on HP Microserver 8) as targets?  
4)  
Are there somewhere tutorials for beginners (found some videos) with screenshots etc…  
Thanks  
Ralf