File system level backup with more than one cluster folders

[Michael Leshchenko <Michael.Leshchenko@xxxxxxxxxxxxxxxxx>]

Dear pg community

I am newbie with PostgreSQL. I have separate table space for my 
databases, which is located in separate folder, which is different to 
default. I would like to carry out file system level backup.  Do I need 
to backup only folder with my table space or all pg folders.

Thank you in advance

Mike Leshchenko

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