I have a cluster of few machines. I have to control all configuration from single system. For that I have decided to used .bashrc in Centos 7 servers (I push same .bashrc in each system via rsync from single machine). I am facing one problem, every system have external hard drive that is mounted like /dev/sdb /mnt/2c511624-12ea-48d9-853a-54af000e7239. Name of hard drive varies for each machine. How it will be possible that this name should be correct for each machine. I have to then automatically transfer some data in each disk of each system. I have tried my best to explain my problem, if it still not clear then please comment?
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Hafiz Muhammad Shafiq
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Maybe would be better to utilize some distributed filesystem (Gluster/Ceph)? – Jaroslav Kucera Oct 13 '17 at 07:19
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Are you using .bashrc for config? That is not a good idea. Either look into some config management system like ansible or create a shell script that can push out the config. That way you can check which machine it is. If not then create custom .bashrc for each machine. – Tux_DEV_NULL Oct 13 '17 at 07:39
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My actual software (Hadoop) reads it from its own configuration – Hafiz Muhammad Shafiq Oct 13 '17 at 07:44