grid control agent stops when uploading

when the filesystems are more than 95% occupied,  the grid control agent stops :

http://blog.contractoracle.com/2009/05/emd-upload-error-upload-was-successful.html

#Solution
To implement the solution, please execute the following steps:

1. Update the AGENT OH/sysman/config/emd.properties with the parameter:
uploadMaxDiscUsedPct=99
uploadMaxDiskUsedPctFloor=99
2. Stop the agent: emctl stop agent
3. Start the agent: emctl start agent
4. Upload to the OMS: emctl upload