Show details of the RAID configuration for /dev/md0
mdadm --query /dev/md1
Show details of the RAID configuration for /dev/md1,
e.g. when disks in slot 1 & slot 2 are configured as RAID 1,
this (/dev/md1) is the software raid device
User Accounts
/volume0/etc/passwd
the user accounts for the NAS
Windows Share
/volume0/usr/builtin/etc/samba/smb.conf
SAMBA server config file
Disk Management
smartctl
command to manage the S.M.A.R.T (Self-Monitoring Analysis and Report Technology) feature of Hard Disks
smartctl -i /dev/sdb
smartctl -i /dev/sdc
sample output
smartctl 6.3 2016-09-19 r34 [x86_64-linux-4.4.24] (local build)
Copyright (C) 2002-14, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Device Model: HGST HDN726040ALE614
Serial Number: K4JR9WJB
LU WWN Device Id: 5 000cca 25de6544a
Firmware Version: APGNW7JH
Disk Size: 4000787030016
User Capacity: 4,000,787,030,016 bytes [4.00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 7200 rpm
Form Factor: 3.5 inches
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: ACS-2, ATA8-ACS T13/1699-D revision 4
SATA Version is: SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Wed Aug 9 22:41:36 2017 SGT
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
show information of SATA disks 1 & 2.
disk 1 (first from left) is /dev/sdb
disk 2 is /dev/sdc
USB
lsb
list USB devices detected
Network
ethtool eth0
Show configuration of network interface, e.g. speed, duplex etc