When upgrade the FusionManage from V100R003 to V100R005 with the upgrade tool, the upgrade failed and the error message is "the disk spack is not enough".
Login to the FusionManage node and check the space for the "/opt" partition with command "du -sh *", we found the available space is less than 6G.
We can check the upgrading checking script "/opt/update/utils/checkData.sh" and find the neccessary space is 5000M as below
The available space for the partition "/opt" is not enough
We can login the FusionManage node and check the log directory as below to delete some unused log file to release the space