yep, looks good.  thank you for the quick turnaround!

% uname -a
Linux ia805401.us.archive.org 4.8.0-52-generic #55~lp1691899 SMP Fri May 19 18:09:12 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
% ls -l /sys/block/*/device/enclosure*
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdaa/device/enclosure_device:013 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/013/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdab/device/enclosure_device:015 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/015/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdac/device/enclosure_device:016 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/016/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdad/device/enclosure_device:017 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/017/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdaf/device/enclosure_device:019 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/019/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdag/device/enclosure_device:020 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/020/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdah/device/enclosure_device:021 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/021/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdai/device/enclosure_device:022 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/022/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdaj/device/enclosure_device:023 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/023/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdc/device/enclosure_device:000 -> ../../../../port-6:0:12/end_device-6:0:12/target6:0:11/6:0:11:0/enclosure/6:0:11:0/000/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdd/device/enclosure_device:001 -> ../../../../port-6:0:12/end_device-6:0:12/target6:0:11/6:0:11:0/enclosure/6:0:11:0/001/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sde/device/enclosure_device:002 -> ../../../../port-6:0:12/end_device-6:0:12/target6:0:11/6:0:11:0/enclosure/6:0:11:0/002/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdf/device/enclosure_device:003 -> ../../../../port-6:0:12/end_device-6:0:12/target6:0:11/6:0:11:0/enclosure/6:0:11:0/003/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdg/device/enclosure_device:004 -> ../../../../port-6:0:12/end_device-6:0:12/target6:0:11/6:0:11:0/enclosure/6:0:11:0/004/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdh/device/enclosure_device:005 -> ../../../../port-6:0:12/end_device-6:0:12/target6:0:11/6:0:11:0/enclosure/6:0:11:0/005/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdi/device/enclosure_device:006 -> ../../../../port-6:0:12/end_device-6:0:12/target6:0:11/6:0:11:0/enclosure/6:0:11:0/006/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdj/device/enclosure_device:007 -> ../../../../port-6:0:12/end_device-6:0:12/target6:0:11/6:0:11:0/enclosure/6:0:11:0/007/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdk/device/enclosure_device:008 -> ../../../../port-6:0:12/end_device-6:0:12/target6:0:11/6:0:11:0/enclosure/6:0:11:0/008/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdl/device/enclosure_device:010 -> ../../../../port-6:0:12/end_device-6:0:12/target6:0:11/6:0:11:0/enclosure/6:0:11:0/010/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdm/device/enclosure_device:011 -> ../../../../port-6:0:12/end_device-6:0:12/target6:0:11/6:0:11:0/enclosure/6:0:11:0/011/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdn/device/enclosure_device:000 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/000/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdo/device/enclosure_device:001 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/001/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdp/device/enclosure_device:002 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/002/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdq/device/enclosure_device:003 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/003/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdr/device/enclosure_device:004 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/004/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sds/device/enclosure_device:005 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/005/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdt/device/enclosure_device:006 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/006/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdu/device/enclosure_device:007 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/007/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdv/device/enclosure_device:008 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/008/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdw/device/enclosure_device:009 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/009/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdx/device/enclosure_device:010 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/010/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdy/device/enclosure_device:011 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/011/
lrwxrwxrwx 1 root root 0 May 19 12:01 /sys/block/sdz/device/enclosure_device:012 -> ../../../../port-6:1:24/end_device-6:1:24/target6:0:35/6:0:35:0/enclosure/6:0:35:0/012/
abezella@ia805401:~