esx version: esx 4.1i
1. Use the customer’s computer to login in the “vsphere client” operating interface.
2. Upload a virtual file to the ISO who is a datastore, we find the uploading speed is not bad, and don’t appear the I/O error, then test the 4GB ISO file, it’s also normal.
3. Then the customer uploads a “DS” file and appears the I/O error.