Intermittent Backup Problem - FTP Error

Good evening,

I've run in to an odd backup issue that is intermittent - that is, it only occurs maybe 60% of the time. The transfer of one site's backup fails. The site that fails changes from time to time. And I get an email that everything completed successfully. But when I go in to the backups, I see one never made it across. I can connect via FTP (well, SFTP) and transfer the file manually and it'll go.

Looking over the backup log, the backups are good.

Looking over the backup transporter log, I see the following (I copied over an entire "backup session"):

Code:

[2014-02-16 18:37:51 -0500] info [cpbackup_transporter] cPanel Backup Transporter Queue Daemon started.

[2014-02-16 18:38:54 -0500] warn [cpbackup_transporter] Upload attempt failed: No storage allocation neccessary.
 at /usr/local/cpanel/Cpanel/LoggerAdapter.pm line 26
	Cpanel::LoggerAdapter::warn(Cpanel::LoggerAdapter=HASH(0x8ea1228), 'Upload attempt failed: No storage allocation neccessary.\x0A') called at /usr/local/cpanel/Cpanel/Backup/Queue.pm line 219
	Cpanel::Backup::Queue::transport_backup::attempt_to_upload_file(Cpanel::Backup::Queue::transport_backup=HASH(0x8e740c4), Cpanel::Transport::Files::FTP=HASH(0x93a3988), '/backup/2014-02-16/accounts/cwirk.tar.gz', '/2014-02-16/cwirk.tar.gz', Cpanel::LoggerAdapter=HASH(0x8ea1228)) called at /usr/local/cpanel/Cpanel/Backup/Queue.pm line 135
	Cpanel::Backup::Queue::transport_backup::process_task(Cpanel::Backup::Queue::transport_backup=HASH(0x8e740c4), cPanel::TaskQueue::Task=HASH(0x932b74c), Cpanel::LoggerAdapter=HASH(0x8ea1228)) called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/TaskQueue.pm line 571
	eval {...} called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/TaskQueue.pm line 574
	cPanel::TaskQueue::__ANON__() called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/StateFile.pm line 246
	eval {...} called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/StateFile.pm line 246
	cPanel::StateFile::Guard::call_unlocked(cPanel::StateFile::Guard=HASH(0x935d6bc), CODE(0x93bb658)) called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/TaskQueue.pm line 579
	cPanel::TaskQueue::process_next_task(cPanel::TaskQueue=HASH(0x8e86c3c)) called at /usr/local/cpanel/bin/cpbackup_transporter line 89
	eval {...} called at /usr/local/cpanel/bin/cpbackup_transporter line 87
[2014-02-16 18:38:55 -0500] warn [cpbackup_transporter] Upload attempt failed: No storage allocation neccessary.
 at /usr/local/cpanel/Cpanel/LoggerAdapter.pm line 26
	Cpanel::LoggerAdapter::warn(Cpanel::LoggerAdapter=HASH(0x8ea1228), 'Upload attempt failed: No storage allocation neccessary.\x0A') called at /usr/local/cpanel/Cpanel/Backup/Queue.pm line 219
	Cpanel::Backup::Queue::transport_backup::attempt_to_upload_file(Cpanel::Backup::Queue::transport_backup=HASH(0x8e740c4), Cpanel::Transport::Files::FTP=HASH(0x93a3988), '/backup/2014-02-16/accounts/cwirk.tar.gz', '/2014-02-16/cwirk.tar.gz', Cpanel::LoggerAdapter=HASH(0x8ea1228)) called at /usr/local/cpanel/Cpanel/Backup/Queue.pm line 135
	Cpanel::Backup::Queue::transport_backup::process_task(Cpanel::Backup::Queue::transport_backup=HASH(0x8e740c4), cPanel::TaskQueue::Task=HASH(0x932b74c), Cpanel::LoggerAdapter=HASH(0x8ea1228)) called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/TaskQueue.pm line 571
	eval {...} called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/TaskQueue.pm line 574
	cPanel::TaskQueue::__ANON__() called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/StateFile.pm line 246
	eval {...} called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/StateFile.pm line 246
	cPanel::StateFile::Guard::call_unlocked(cPanel::StateFile::Guard=HASH(0x935d6bc), CODE(0x93bb658)) called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/TaskQueue.pm line 579
	cPanel::TaskQueue::process_next_task(cPanel::TaskQueue=HASH(0x8e86c3c)) called at /usr/local/cpanel/bin/cpbackup_transporter line 89
	eval {...} called at /usr/local/cpanel/bin/cpbackup_transporter line 87
[2014-02-16 18:38:55 -0500] warn [cpbackup_transporter] Upload attempt failed: No storage allocation neccessary.
 at /usr/local/cpanel/Cpanel/LoggerAdapter.pm line 26
	Cpanel::LoggerAdapter::warn(Cpanel::LoggerAdapter=HASH(0x8ea1228), 'Upload attempt failed: No storage allocation neccessary.\x0A') called at /usr/local/cpanel/Cpanel/Backup/Queue.pm line 219
	Cpanel::Backup::Queue::transport_backup::attempt_to_upload_file(Cpanel::Backup::Queue::transport_backup=HASH(0x8e740c4), Cpanel::Transport::Files::FTP=HASH(0x93a3988), '/backup/2014-02-16/accounts/cwirk.tar.gz', '/2014-02-16/cwirk.tar.gz', Cpanel::LoggerAdapter=HASH(0x8ea1228)) called at /usr/local/cpanel/Cpanel/Backup/Queue.pm line 135
	Cpanel::Backup::Queue::transport_backup::process_task(Cpanel::Backup::Queue::transport_backup=HASH(0x8e740c4), cPanel::TaskQueue::Task=HASH(0x932b74c), Cpanel::LoggerAdapter=HASH(0x8ea1228)) called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/TaskQueue.pm line 571
	eval {...} called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/TaskQueue.pm line 574
	cPanel::TaskQueue::__ANON__() called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/StateFile.pm line 246
	eval {...} called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/StateFile.pm line 246
	cPanel::StateFile::Guard::call_unlocked(cPanel::StateFile::Guard=HASH(0x935d6bc), CODE(0x93bb658)) called at /usr/local/cpanel/3rdparty/perl/514/lib/perl5/cpanel_lib/cPanel/TaskQueue.pm line 579
	cPanel::TaskQueue::process_next_task(cPanel::TaskQueue=HASH(0x8e86c3c)) called at /usr/local/cpanel/bin/cpbackup_transporter line 89
	eval {...} called at /usr/local/cpanel/bin/cpbackup_transporter line 87
[2014-02-16 18:39:34 -0500] info [cpbackup_transporter] cPanel Backup Transporter Queue Daemon is being stopped.

[2014-02-16 18:39:51 -0500] info [cpbackup_transporter] cPanel Backup Transporter Queue Daemon started.

[2014-02-16 20:27:25 -0500] info [cpbackup_transporter] cPanel Backup Transporter Queue Daemon is being stopped.

This is in no way definitive, but from what I can read, a warning is being generated because the backup storage device's FTP server (FileZilla) doesn't need the Allocation command. That's fine, but cPanel's FTP transporter service is mistaking this as an error and prohibiting the transfer of a file.

Again, this doesn't happen every night, just about 60% of the time. And it's got me scratching my head! Any thoughts?

 

Thanks Michael! I'll give that workaround a shot over the next few days and see if it helps. I'll also keep an eye open on that case as well... Maybe I'll make some type of script to create the folder prior to the backups starting.

Thank you again for the response!