I noticed that with the upgrade of GI to 12c some new things are in the ADRCI
 the scan listeners are know under adrci control as well, 
In 12c,(12.1.0.2.4)
adrci
ADRCI: Release 12.1.0.2.0 – Production on Tue Mar 31 18:17:21 2015
Copyright (c) 1982, 2014, Oracle and/or its affiliates.  All rights reserved.
ADR base = “/u01/app/grid”
adrci> show control
DIA-48448: This command does not support multiple ADR homes
adrci> show homes
ADR Homes:
diag/tnslsnr/node2/listener_clone
diag/tnslsnr/node2/listener_scan2
diag/tnslsnr/node2/listener_scan1
diag/tnslsnr/node2/listener
diag/tnslsnr/node2/listener_scan3
diag/tnslsnr/node2/listener_dg
diag/tnslsnr/node2/mgmtlsnr
diag/rdbms/_mgmtdb/-MGMTDB
diag/crs/node2/crs
diag/asm/+asm/+ASM2
diag/asm/user_grid/host_4252752997_82
adrci> set home diag/tnslsnr/node2/listener
on 11g this was not the case
while on 11204 …
ADRCI: Release 11.2.0.4.0 – Production on Tue Mar 31 18:21:18 2015
Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.
ADR base = “/u01/app/grid”
adrci> show homes
ADR Homes:
diag/asm/+asm/+ASM2
diag/tnslsnr/other_node2/listener
diag/tnslsnr/other_node2/listener_dg
diag/tnslsnr/other_node2/listener_clone

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