Edinburgh sent Glasgow packing empty-handed from the capital for the second season running as the Gunners took a step towards reclaiming the 1872 Cup with a 23-11 first-leg win.
Glasgow Warriors marked their 100th game in the European Cup by doing the double over Guinness PRO12 rivals Scarlets to stay in the hunt for a quarter-final place in the European Champions Cup.
Following a postponement in Paris and a home defeat to Northampton, Glasgow scored six tries to win their first European game of the season, beating Scarlets 43-6.
Glasgow head coach Gregor Townsend wants his men to learn lessons from their last meeting with Scarlets ahead of Saturday's European Champions Cup clash.
Glasgow Warriors head coach Gregor Townsend has ended speculation about his future after penning a two-year contract extension with the Scotstoun side.
The European Rugby Champions Cup game between Racing 92 and Glasgow Warriors has been postponed - as have the other European matches in France this weekend - in the wake of the overnight attacks in Paris which left more than 100 people dead.
Glasgow centre Mark Bennett faces a race against time to be fit for Scotland's World Cup squad after he was ruled out for the rest of Warriors' Guinness Pro12 campaign following shoulder surgery.