====== Перенос БД PostgreSQL на другой диск ======

  - <code bash>sudo -u postgres psql</code>
  - <code bash>SHOW data_directory;</code> <code bash>Output
       data_directory
-----------------------------
 /var/lib/postgresql/14/main
(1 row)</code>
  - <code bash>\q</code>
  - <code bash>sudo systemctl stop postgresql</code>
  - <code bash>sudo systemctl status postgresql</code> <code bash>Output
○ postgresql.service - PostgreSQL RDBMS
     Loaded: loaded (/lib/systemd/system/postgresql.service; enabled; vendor>
     Active: inactive (dead) since Thu 2022-06-30 18:46:35 UTC; 27s ago
    Process: 4588 ExecStart=/bin/true (code=exited, status=0/SUCCESS)
   Main PID: 4588 (code=exited, status=0/SUCCESS)
        CPU: 1ms</code>
  - <code bash>sudo rsync -av /var/lib/postgresql /mnt/volume_nyc1_01</code>
  - <code bash>sudo mv /var/lib/postgresql/14/main /var/lib/postgresql/14/main.bak</code>
  - <code bash>sudo nano /etc/postgresql/14/main/postgresql.conf</code> <code bash>. . .
data_directory = '/mnt/volume_nyc1_01/postgresql/14/main'
. . .</code>
  - <code bash>sudo systemctl start postgresql</code>
  - <code bash>sudo systemctl status postgresql</code> <code bash>Output
● postgresql.service - PostgreSQL RDBMS
     Loaded: loaded (/lib/systemd/system/postgresql.service; enabled; vendor>
     Active: active (exited) since Thu 2022-06-30 18:50:18 UTC; 3s ago
    Process: 4852 ExecStart=/bin/true (code=exited, status=0/SUCCESS)
   Main PID: 4852 (code=exited, status=0/SUCCESS)
        CPU: 1ms</code>
  - <code bash>sudo -u postgres psql</code>
  - <code bash>SHOW data_directory;</code> <code bash>Output
             data_directory
----------------------------------------
 /mnt/volume_nyc1_01/postgresql/14/main
(1 row)</code>
  - <code bash>sudo rm -Rf /var/lib/postgresql/14/main.bak</code>