Symptoms
Unable to restore a subscription in Plesk from an external backup:
PLESK_ERROR: Unable to import the file as dump: pmm-ras failed (Error code = 1): Transport error: Failed to write to the file. Check free disk space on the system
Cause
Insufficient disk space in the directory where backups are downloaded to.
Resolution
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Connect to the server via SSH
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Check for the temporary dump directory’s path:
# grep ^DUMP_TMP_D /etc/psa/psa.conf
DUMP_TMP_D /tmp -
Check the disk space occupied:
# df -h /tmp
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 59.8G 59.8G 0 100% / -
Find the files that occupy a lot of space and remove them:
How to find directories/files that take up the most disk space on a Plesk for Linux server