Symptoms
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Creating a backup via Acronis Backup extension in Plesk fails:
Backup Failed: The SnapAPI kernel module is not loaded for the kernel 3.10.0.1062.1.2.el7.x86_64 currently running in this system. Install the module for this kernel version, and then retry the backup.
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The following error is shown when trying to access the extension menu Acronis Backup (in the left navigation pane):
Error: An error has occurred. One of the services may be stopped. Go to "Scheduled Tasks" and try to run the command of the "Acronis Backup" extension manually. If this issue persists, contact the support team.
Cause
The required kernel module is missing.
Resolution
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Connect to the server using SSH.
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Install the packages necessary for building kernel modules. E.g. on CentOS:
# yum install kernel-devel gcc make
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Reinstall the extension Acronis Backup.
Warning: Solution is not applicable for Ubuntu 20 (Kernel 5.8 and higher) and CentOS 8 (Kernel 4.18) as it not supported by Acronis yet.
Additional information
https://www.acronis.com/en-us/support/documentation/AcronisBackup_12.5/index.html#22619.html
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