Crosscheck backup of archivelog

RMAN> crosscheck backup of archivelog all
2> device type disk
3> completed between "sysdate-5" and "sysdate";

released channel: ORA_DISK_1
released channel: ORA_DISK_2
released channel: ORA_DISK_3
released channel: ORA_DISK_4
released channel: ORA_DISK_5
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=20 device type=DISK
allocated channel: ORA_DISK_2
channel ORA_DISK_2: SID=24 device type=DISK
allocated channel: ORA_DISK_3
channel ORA_DISK_3: SID=25 device type=DISK
allocated channel: ORA_DISK_4
channel ORA_DISK_4: SID=58 device type=DISK
allocated channel: ORA_DISK_5
channel ORA_DISK_5: SID=60 device type=DISK
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+DATA/cvrman/backupset/2014_05_17/annnf0_arch_thread_0.285.847790639 RECID=175 STAMP=847790638
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+DATA/cvrman/backupset/2014_05_17/annnf0_tag20140517t094051_0.316.847791655 RECID=182 STAMP=847791654
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+DATA/cvrman/backupset/2014_05_17/annnf0_full_archivelog_bkp_0.323.847792569 RECID=188 STAMP=847792568
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+DATA/cvrman/backupset/2014_05_17/annnf0_full_archivelog_bkp_0.299.847792567 RECID=189 STAMP=847792567
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+DATA/cvrman/backupset/2014_05_17/annnf0_full_archivelog_bkp_0.329.847792661 RECID=194 STAMP=847792661
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/SHARED/backup1/9jp8gs2l_1_1 RECID=225 STAMP=847802453
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+DATA/cvrman/backupset/2014_05_18/annnf0_tag20140518t021313_0.322.847851195 RECID=230 STAMP=847851193
Crosschecked 7 objects