I just setup a server using CentOS 7.5.1804, and I've selected a Marvell SATA RAID controller (Marvell 88SE9230), running two SATA drives at RAID 1.
The storage system appears to be functioning as expected, but I don't know how to interrogate the RAID status, trigger rebuilds, or monitor the underlying drive status. Some Googling suggests that smartctl is the proper interface, but I'm having poor results so far. Hoping you can guide me.
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# smartctl -a /dev/sdb -T permissive smartctl 6.5 2016-05-07 r4318 [x86_64-linux-3.10.0-862.9.1.el7.x86_64] (local build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Device Model: MARVELL Raid VD Serial Number: 676bccacc2c10010 Firmware Version: MV.R00-0 User Capacity: 4,000,703,119,360 bytes [4.00 TB] Sector Size: 512 bytes logical/physical Device is: Not in smartctl database [for details use: -P showall] ATA Version is: ATA/ATAPI-7 T13/1532D revision 4a Local Time is: Tue Jul 24 10:08:59 2018 PDT SMART support is: Unavailable - device lacks SMART capability.