I configured LACP on a Stack of two OS 6350-24. If i disconnect 1 of the ports the link is still working, but if i remove both ports and put them back after a few seconds it does not get back up. Below is the config on these switches.
-> show linkagg
Number Aggregate SNMP Id Size Admin State Oper State Att/Sel Ports
-------+----------+---------+----+------------+--------------+-------------
1 Static 40000001 2 ENABLED UP 2 2
Slot/Port Aggregate SNMP Id Status Agg Oper Link Prim
---------+---------+-------+----------+----+----+----+----
1/2 Static 1002 ATTACHED 1 UP UP NO
2/2 Static 2002 ATTACHED 1 UP UP YES
-> show 802.1q 1
Tagged VLANS Internal Description
-------------+------------------------------------------+
2 TAG AGGREGATE 1 VLAN 2
100 TAG AGGREGATE 1 VLAN 100