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moosefs_ubuntu

Written by Dr. Colin Davenport and Tobias Scheithauer

Install MooseFS file system on Ubuntu 16.04 via Ansible

This is just an example of the way we have implemented MooseFS here on premises.

Use at your own risk, this has only been installed once on Ubuntu 16.04.

Setup 6 servers with large 10 TB RAID mounted on /data and tiny ssds mounted on /ssd.

Known issues

No connection between chunkservers and master

When looking at the logs (journalctl) it gave the following error message:

mfschunkserver[6272]: MATOCS_MASTER_ACK - wrong meta data id (file chunkserverid.mfs:5B28ECE4FC168CA4 ; received from master:5B5F1B3FD4FCC69E). Can't conne ct to master

According to this comment. Deleting /var/lib/mfs/chunkserverid.mfs and /mnt/[hdd mount point]/.metaid helps. In our case this was the solution for the problem.