I occasionally see an issue where uploads to Backblaze slow or perhaps hang. I then restart the process with cpbackup_transporter --stop and then --start. It would appear that the shutdown process marks the file in progress done, because when it starts back up it grabs the next file.
[2022-04-11 15:29:56 -0400] info [cpbackup_transporter] Uploading account backup /backup/2022-04-11/accounts/account1.tar.gz to 2022-04-11/accounts/account1.tar.gz (from 2022-04-11/accounts/account1.tar.gz)
[2022-04-11 15:29:56 -0400] info [cpbackup_transporter] Attempting to upload /backup/2022-04-11/accounts/account1.tar.gz to 2022-04-11/accounts/account1.tar.gz for destination: Backblaze-CP
[2022-04-11 15:29:56 -0400] info [cpbackup_transporter] Upload attempt #1 starting for /backup/2022-04-11/accounts/account1.tar.gz to 2022-04-11/accounts/account1.tar.gz for destination: Backblaze-CP
# /usr/local/cpanel/bin/cpbackup_transporter --stop
[2022-04-11 16:44:25 -0400] info [cpbackup_transporter] Initializing log file
Graceful shutdown of cPanel Backup Transporter Queue Daemon requested.
Graceful shutdown due to SIGHUP 34064
[2022-04-11 16:44:25 -0400] info [cpbackup_transporter] Graceful shutdown due to SIGHUP
Shutdown complete
[2022-04-11 16:44:25 -0400] info [cpbackup_transporter] cpbackup_transporter - Checking queue for tasks
[2022-04-11 16:44:25 -0400] info [cpbackup_transporter] cPanel Backup Transporter Queue Daemon is being stopped.
[2022-04-11 16:45:38 -0400] info [cpbackup_transporter] cpbackup_transporter - started
[2022-04-11 16:45:38 -0400] info [cpbackup_transporter] cpbackup_transporter - Checking queue for tasks
[2022-04-11 16:45:38 -0400] info [cpbackup_transporter] cpbackup_transporter - Processing next task
[2022-04-11 16:45:38 -0400] info [cpbackup_transporter] Instantiating Object
[2022-04-11 16:45:38 -0400] info [cpbackup_transporter] Starting a "copy" operation on the "Backblaze-CP" destination ID "<snip>".
[2022-04-11 16:45:38 -0400] info [cpbackup_transporter] Validating destination path 2022-04-11/accounts/
[2022-04-11 16:45:40 -0400] info [cpbackup_transporter] Path exists
[2022-04-11 16:45:40 -0400] info [cpbackup_transporter] Uploading account backup /backup/2022-04-11/accounts/account2.tar.gz to 2022-04-11/accounts/account2.tar.gz (from 2022-04-11/accounts/account2.tar.gz)
When the transport finishes the skipped files will still exist in the backup directory and are not present in the Backblaze bucket.
cpanel_and_whm: 11.102.0
operating_system_name: centos
operating_system_version: 7
[2022-04-11 15:29:56 -0400] info [cpbackup_transporter] Uploading account backup /backup/2022-04-11/accounts/account1.tar.gz to 2022-04-11/accounts/account1.tar.gz (from 2022-04-11/accounts/account1.tar.gz)
[2022-04-11 15:29:56 -0400] info [cpbackup_transporter] Attempting to upload /backup/2022-04-11/accounts/account1.tar.gz to 2022-04-11/accounts/account1.tar.gz for destination: Backblaze-CP
[2022-04-11 15:29:56 -0400] info [cpbackup_transporter] Upload attempt #1 starting for /backup/2022-04-11/accounts/account1.tar.gz to 2022-04-11/accounts/account1.tar.gz for destination: Backblaze-CP
# /usr/local/cpanel/bin/cpbackup_transporter --stop
[2022-04-11 16:44:25 -0400] info [cpbackup_transporter] Initializing log file
Graceful shutdown of cPanel Backup Transporter Queue Daemon requested.
Graceful shutdown due to SIGHUP 34064
[2022-04-11 16:44:25 -0400] info [cpbackup_transporter] Graceful shutdown due to SIGHUP
Shutdown complete
[2022-04-11 16:44:25 -0400] info [cpbackup_transporter] cpbackup_transporter - Checking queue for tasks
[2022-04-11 16:44:25 -0400] info [cpbackup_transporter] cPanel Backup Transporter Queue Daemon is being stopped.
[2022-04-11 16:45:38 -0400] info [cpbackup_transporter] cpbackup_transporter - started
[2022-04-11 16:45:38 -0400] info [cpbackup_transporter] cpbackup_transporter - Checking queue for tasks
[2022-04-11 16:45:38 -0400] info [cpbackup_transporter] cpbackup_transporter - Processing next task
[2022-04-11 16:45:38 -0400] info [cpbackup_transporter] Instantiating Object
[2022-04-11 16:45:38 -0400] info [cpbackup_transporter] Starting a "copy" operation on the "Backblaze-CP" destination ID "<snip>".
[2022-04-11 16:45:38 -0400] info [cpbackup_transporter] Validating destination path 2022-04-11/accounts/
[2022-04-11 16:45:40 -0400] info [cpbackup_transporter] Path exists
[2022-04-11 16:45:40 -0400] info [cpbackup_transporter] Uploading account backup /backup/2022-04-11/accounts/account2.tar.gz to 2022-04-11/accounts/account2.tar.gz (from 2022-04-11/accounts/account2.tar.gz)
When the transport finishes the skipped files will still exist in the backup directory and are not present in the Backblaze bucket.
cpanel_and_whm: 11.102.0
operating_system_name: centos
operating_system_version: 7