Solution : https://service.sap.com/sap/support/notes/395231 (SAP Service marketplace login required)
Key words : 
change history date            topic           short description------------------------------------------------------------------------oct/25/01 qrfc        reference, /1       processing v3 update entriesmar/05/02 qrfc        qrfc versionmar/22/01, general conditions 70228 overview note 181255 release strategy note 214503 problems, car '-xvf /qopt/<volid>/data/<archiv>, required add-ons pi 2001_1_31i requires, car -xvf /<cd_dir>/data/<archiv>, support package 0001pi 2000_2_45b add-, support package 0002pi 2000_2_45b add-, support package 0003pi 2000_2_45b add-, support package 0004pi 2000_2_45b add-
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