>Do you have QD=1 on server side ? >If not then your server probably failed to parse test.job contents sent from client after socket is initialized. Thanks. Now I see your point. The correct way to specify an environment variable for client/server would be to specify at the server invocation time: # QD=1 fio --server=localhost& Then run the client normally: # fio --client=localhost test.job Regards, Jeff ��.n��������+%������w��{.n�������^n�r������&��z�ޗ�zf���h���~����������_��+v���)ߣ�