Knowledge Base

Plesk backup fails: No space left on device

Symptoms

A backup is finished with one of the following warnings/errors:

Warning: domain "example.com"
Not all the data was backed up into /var/lib/psa/dumps/clients/john_doe/domains/example.com successfully.
Total space: 37287124992;
Available space: 2109317120;
Unable to write to the output file '/var/lib/psa/dumps/clients/john_doe/domains/example.com/backup_domainmail_1710251030_1710300108.tgz':
No space left on device at /usr/local/psa/PMM/agents/shared/Storage/Splitter.pm line 92. pigz: abort: write error on <stdout> (Broken pipe) Broken pipe at /usr/local/psa/PMM/agents/shared/Storage/Storage.pm line 310.

Warning: mysql "wordpress_0"
Not all the data was backed up into /var/lib/psa/dumps/domains/example.com/databases/wordpress_0_1 successfully. Total space: 94.00 GB; Available space: 22.00 GB; Mounted on: /. mysqldump: Error: 'Disk full (/var/tmp/#sql_626_2); waiting for someone to free some space...' when trying to dump tablespaces mysqldump: Couldn't execute 'show fields from `hl6UY_commentmeta`': Disk full (/var/tmp/#sql_626_0); waiting for someone to free some space... (1021)

STDOUT: Selected filesystem at has only 0 bytes free, but 4096 bytes are needed for operation

There is not enough disk space at /var/lib/psa/dumps to backup creation

Unable to make database dump. Error: Failed to exec mysqldump: Exit code: 5
The following errors appear in /usr/local/psa/PMM/logs/backup-2020-05-08-02-33-12-032/backup.log:

ERR [panel] PHP Warning: file_put_contents(/var/lib/psa/dumps/backup_info_2005080233.xml): failed to open stream: No space left on device
FTP backup cannot be restored with the following error message in /var/log/plesk/panel.log:

Error: Unable to import file as dump: pmm-ras failed (Error code = 1): STDOUT: boost::filesystem::create_directories: No space left on device: "/tmp/pmm-repo-icon-content-uPBsvu/clients/example/domains/example.com/databases" STDERR:

ERR [panel] DB query failed: SQLSTATE[HY000]: General error: 1 Can't create/write to file '/var/tmp/#sql_674_0.MAI' (Errcode: 28), query was: DESCRIBE `sessions`:
0: /usr/local/psa/admin/plib/Db/Adapter/Pdo/Mysql.php:53
Db_Adapter_Pdo_Mysql->query(string 'DESCRIBE `sessions`')
Restoration of a backup located on an FTP server fails with the following error message:

external error ;-P
ERROR: PleskExceptionDatabase: DB query failed: SQLSTATE[HY000]: General error: 1 Can't create/write to file '/var/tmp/#sql_658_3.MAI' (Errcode: 28), query was: DESCRIBE `sessions` (Mysql.php:53)
WordPress site backup via ‘Back Up / Restore’ functionality fails with the following error message:

Failed to back up site
Task is not responding: id=837, pid=2279579, type=ext-wp-toolkit-create-backup
Disk space where temporary backup files need to be created is full (or insufficient for the necessary temporary backup files):

# grep TMP /etc/psa/psa.conf
DUMP_TMP_D /tmp

# df -h /tmp
Filesystem Size Used Avail Use% Mounted on
/dev/dev1 7.1G 7.0G 0.1G 99% /