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Editorial Team
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Asked: 2026-06-18T00:45:40+00:00

I am working on centos 6.2 version. I want to configure postgres with an

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I am working on centos 6.2 version. I want to configure postgres with an encrypted file system.
I have created an encrypted partition on centos using LUKS. Now i want to initialize the db cluster with this mounted partition. but i get the below error.

bash-4.1$ initdb -D /mnt/cryptofs/data/
could not change directory to "/root/dimple/encryption"
The files belonging to this database system will be owned by user "postgres".
This user must also own the server process.

The database cluster will be initialized with locale en_US.UTF-8.
The default database encoding has accordingly been set to UTF8.
The default text search configuration will be set to "english".

initdb: directory "/mnt/cryptofs/data" exists but is not empty
If you want to create a new database system, either remove or empty
the directory "/mnt/cryptofs/data" or run initdb
with an argument other than "/mnt/cryptofs/data".
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1 Answer

  1. Editorial Team

    You specify PGDATA to be /mnt/cryptofs/data/, while initdb complains bout /root/dimple/encryption, which makes me think that:

    • /mnt/cryptofs/data/ is actually a symlink;
    • you don’t have proper permissions for the /root/dimple/encryption directory;
    • there’re some files in the /mnt/cryptofs/data/. Make sure it is completely empty, no hidden files and no lost+found directory also.

    It’d be good to see what is /mnt/cryptofs/data/ and what are the permissions.

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