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Servers backup failing (Too many open files error)

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Out of 4 servers backup, 3 servers backups have started to fail since October 07 2023. Backup is scheduled once a week. The times are staggered so that only 1 server backup happens at a time.

Error: Too many open files

Check screenshot for details.

No problem in the network connectivity observed. Can someone please help on what could be wrong?

 

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Comments: 1727

Hello!

The error is generic, and we can't troubleshoot it without more information. The "Too many open files" error typically occurs when a process attempts to open more files than the operating system allows.

What type of backup are you executing? Is it for VMs, a hypervisor, or normal servers? Which operating system are you using?

From the logs, it appears to be Linux, but we can't be certain. If it is Linux:

First, determine whether this issue is system-wide or specific to the backup software. You can check the system's file descriptor limit with the following command:

ulimit -n

If the limit is too low, you may need to increase it system-wide by editing the limits configuration files. The location of these files may vary depending on your Linux distribution. You can refer to this webpage for guidance: https://www.geeksforgeeks.org/ulimit-soft-limits-and-hard-limits-in-linux/

Have you tried reinstalling the software? If not, please give that a try.

Best regards.