Article ID: 112240, created on Sep 9, 2011, last review on May 10, 2014

  • Applies to:
  • Small Business Panel 10.x for Linux/Unix


While trying to upload a large file using Fileserver module, the process breaks after some time. The file is not getting uploaded. The following error is logged: /var/log/sw-cp-server/error_log :
2011-09-08 17:49:23: (connections.c.1138) denying upload as writing to file failed: /var/tmp/lighttpd-upload-BwV7Uk Resource temporarily unavailable


During transmission, the already uploaded part of the file is stored in the /var/tmp directory. The disk partition where this directory is located does not have enough space to store the whole file.


1. Confirm the amount of the space available in the /var/tmp directory.
# df -h /var/tmp
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda1             110G   109G  1G   1% /

2. Consider extending the partition where /var/tmp directory is located or clean up that partition.

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