Article ID: 124372, created on Feb 4, 2015, last review on Sep 15, 2016

  • Applies to:
  • Plesk Automation

Symptoms

Unable to add backup service node. The Task "Install additional packages on node according role PPA_BACKUP failed with the following error:

Unable to execute the command '/usr/local/psa/bin/server_pref'.
Unable to make test connection with to specified. Please check login, password and FTP mode (-use-ftp-passive-mode option). 

Details: Unable to connect to FTP server: pmm-ras error (Error code = 1):
Repository error: Transport error: unable to list directory: Curl error: FTP: couldn't retrieve (RETR failed) the specifie

Cause

Connectivity issue with FTP server.

Resolution

Check whether the firewall does not restrict the connections to through 21 port. By default Passive ports for is not defined for the FTP (proftpd) installed by Plesk Automation (PA). In case you set up the passive ports manually, make sure they are opened too.

For additional information check following article.

Search Words

unable to add backup node

Unable to connect to FTP server: pmm-ras error

Unable to execute the command '/usr/local/psa/bin/server_pref'

Transport error: unable to list directory

Details: Repository error: Transport error: unable to list directory: Curl error: Timeout was reached

ftp

backup node

e0aff7830fa22f92062ee4db78133079 caea8340e2d186a540518d08602aa065

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