The ICAP Connector sending files larger than available space on / partition to Symantec Protection Engine (SPE), shows "RESOURCE_UNAVAILABLE" as a response from SPE.
The SPE logs contain an entry similar to the following:
During the scan, the bash command "watch df -h" may show the USED% column grows for the / partition rather than a partition specific to the SPE temp scanning folder.
SPE 8.1 does not honor the temp scanning folder setting for Stargate
Please upgrade to SPE 8.2 where this issue is resolved.
If not able to upgrade immediately, workaround as follows: