RMAN> recover database;
Starting recover at 03-JUL-16
using channel ORA_DISK_1
starting media recovery
channel ORA_DISK_1: starting archived log restore to default destination
channel ORA_DISK_1: restoring archived log
archived log thread=1 sequence=9
channel ORA_DISK_1: restoring archived log
archived log thread=1 sequence=10
channel ORA_DISK_1: reading from backup piece /tmp/hotbackup/arch04r9pbud_4_1
channel ORA_DISK_1: piece handle=/tmp/hotbackup/arch04r9pbud_4_1 tag=TAG20160703T143804
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:00:01
archived log file name=/arch/1_9_916194414.dbf thread=1 sequence=9
archived log file name=/arch/1_10_916194414.dbf thread=1 sequence=10
unable to find archived log
archived log thread=1 sequence=11
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of recover command at 07/03/2016 14:50:19
RMAN-06054: media recovery requesting unknown archived log for thread 1 with sequence 11 and starting SCN of 1025204