Sorry, the problem not in raid device, the problem is in the SSD drive: SSD2SC240GE2DA16
# smartctl --all /dev/sdc
smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.8.0-34-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org
Short INQUIRY response, skip product id
A mandatory SMART command failed: exiting. To continue, add one or more '-T permissive' options.
Sorry, the problem not in raid device, the problem is in the SSD drive: SSD2SC240GE2DA16 linux-4. 8.0-34- generic] (local build) ls.org
# smartctl --all /dev/sdc
smartctl 6.5 2016-01-24 r4214 [x86_64-
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontoo
Short INQUIRY response, skip product id
A mandatory SMART command failed: exiting. To continue, add one or more '-T permissive' options.