Software RAID Mirror
# smartctl -a /dev/sda
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-24-generic] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Vendor:               LSI
Product:              MR9361-8i
Revision:             4.23
User Capacity:        127,473,287,168 bytes [127 GB]
Logical block size:   512 bytes
Logical Unit id:      0x600605b009dbcf001e21d19e0543ac01
Serial number:        0001ac43059ed1211e00cfdb09b00506
Device type:          disk
Local Time is:        Mon Feb  1 15:36:21 2016 KST
SMART support is:     Unavailable - device lacks SMART capability.
=== START OF READ SMART DATA SECTION ===
Error Counter logging not supported
Device does not support Self Test logging
# smartctl -s on /dev/sda
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-24-generic] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF ENABLE/DISABLE COMMANDS SECTION ===
unable to fetch IEC (SMART) mode page [unsupported field in scsi command]
A mandatory SMART command failed: exiting. To continue, add one or more '-T permissive' options.