Skip to main content



How can we help you?


Druva Documentation

File Server Backup fails with INTERNAL65535

Heads up!

We've transitioned to a new documentation portal to serve you better. Access the latest content by clicking here.

This article applies to:

  • OS: Windows, Linux, and Ubuntu
  • Product edition: Phoenix Cloud
  • Feature category: Backup

Problem description

File Server backup fails with an INTERNAL65535 error.  


The storage on which the File Server is backed up is full. 


The below error is saved to the logs:

Database or disk is full.

Traceback from log files:

2018-03-24 05:24:34,326]
[ERROR] Backup failed for share:D file:IA_Images/IA_Algorithms/Forty/ER and
H&E Slides_from Josh_21 04 2017/477V_ER.svs with error:database or disk is
[2018-03-24 05:24:34,342] [ERROR] SyncFile had an exception. Calling file error helper 
[2018-03-24 05:24:34,342] [ERROR] Error <class 'pysqlite2.dbapi2.OperationalError'>:database or disk is full. Traceback -Traceback (most recent call last):


Create or Add sufficient backup space on the server or move the Phoenix files to another location. Stop backups from the File Server until sufficient storage is secured. To stop backups, stop the Druva Phoenix service.

The minimum disk space requirements are as follows:

On Windows and Linux servers, 2% of the total source data is utilized for Phoenix application data. The application data is stored in the following locations:

On Windows 2012 Server:

Application Data location
Windows 2012 Server C:\ProgramData\Phoenix 
Windows 2008 Server C:\ProgramData\Phoenix

On Linux:

Data location

On Windows server, minimum 10% of each volume size to be backed up is utilized for Volume Shadow Copy Service (VSS) snapshots.

See also

Phoenix Support Matrix section.