Backup Process fails Wrote only 4096 of 10240 bytes Error Plesk

In this tutorial, we will solve the backup process fails Wrote only 4096 of 10240 bytes error Plesk.

This solution will work on Plesk CentOS 7 Server.

Are you getting the following error while taking backup in Plesk?

Warning: Subscription “example.com”
Unable to back up files from
/var/www/vhosts/example.com owned by system user. Error: Failed to create archive: backup_user-data_2002050759.tgz 0
Repository error: Unable to pack /var/www/vhosts/arioland-msh.com:
/usr/lib64/plesk-9.0/sw-tar: -: Wrote only 4096 of 10240 bytes
/usr/lib64/plesk-9.0/sw-tar: Error is not recoverable: exiting now

Even though there is enough space available in the server.

This is caused because of the files /usr/bin/pigz and /usr/bin/unpigz are corrupted.

To resolve the issue, follow these steps:

1. Access the server using SSH with root user.

2. Download pigz and unpigz files:

# wget https://plesk.zendesk.com/hc/article_attachments/360008716799/pigz_centos7.gz

3. Unzip the downloaded files:

# gunzip pigz_centos7.gz

4. Create a backup of the original files:

# mv /usr/bin/pigz /usr/bin/pigz.orig

# mv /usr/bin/unpigz /usr/bin/unpigz.orig

5. Place downloaded files instead of original ones:

# cp pigz_centos7 /usr/bin/pigz

# mv unpigz_centos7 /usr/bin/unpigz

6. Grant the required permissions:

# chmod 755 /usr/bin/pigz

# chmod 755 /usr/bin/pigz

That’s it. Now check by starting the backup process.

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