Passage: To support the attack and properly supply his forces before significant snowfall, Sultan Abdulmecid ordered a squadron of frigates, steamers and transports to establish a supply corridor to the Ottoman army in Georgia. Unable to interdict the convoy, Russian naval elements remained in Sevastopol. Abdulmecid ordered a second convoy commanded by Osman Pasha, but by this time it was late November and the fleet was forced to seek winter quarters. It ended up at Sinop, joining the frigate Kaid Zafer which had been part of an earlier patrol, and was joined by the steam frigate Taif from a smaller squadron. The Ottomans had wanted to send ships of the line to Sinop, but the British ambassador in Constantinople, Viscount Stratford de Redcliffe, had objected to this plan, and only frigates were sent.Initial Ottoman activity in the Black Sea had been allowed to proceed unhindered, but as the situation of the Russian Caucasus Corps deteriorated, St. Petersburg was forced to act. Adm. Pavel Nakhimov was ordered to muster the Russian navy and interdict the Ottomans. From 1-23 November Russian squadrons were dispatched into the Black Sea to establish control. Two Ottoman steamers, the Medzhir Tadzhiret and the Pervaz Bahri, were captured by the Russians in short engagements. Russia was able to establish operational control of the sea lanes but storms forced Nakhimov to send back most of his force for repair. Left with only a frigate, a steamer and three ships of the line, Nakhimov continued the search for Osman and the convoy. On 23 November his flag was sighted returning and then entering the harbor at Sinop. Nakhimov immediately deployed his ships into a blockade and sent his only frigate to retrieve as many reinforcements as could be found.On 30 November Vice Adm. Fyodor Novosiliski rallied six more ships to Nakhimov, completing the blockade force in a loose semi-circle. Additional steamers were expected, but Nakhimov decided to act before the Ottomans could be reinforced by additional ships. Osman for his part had been...

Question: What was the fleet pushed to do because of reinforcements?
seek winter quarters