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SMART monitoring is not included in the default minimal installation; you will have to install it manually:
yum install smartmontools

Enable the monitoring service; uncomment and edit the various failure/prefailure modes you would like to know about and add your e-mail address to the config file to be notified of errors:
systemctl start smartd ; systemctl enable smartd nano /etc/smartmontools/smartd.conf

Get the basic status of a drive (replace sda accordingly)
smartctl -H /dev/sda

Run self-tests. A short self-test typically completes in under one or two minutes. A full test will depend on the specifications of the drive.
smartctl --test=short /dev/sda smartctl --test=long /dev/sda

You can monitor test progress using the same command you will use to view the results and nitty-gritty:
smartctl -a /dev/sda

Don't be trown off if the values seem out of alignment with the listed thresholds; SMART values are notoriously proprietary. Your main concern is that you receive a status of PASSED

smartctl 7.0 2018-12-30 r4883 [x86_64-linux-4.9.199-35.el7.x86_64] (local build) Copyright (C) 2002-18, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Model Family: Seagate Barracuda 7200.14 (AF) Device Model: ST1000DM003-9YN162 Serial Number: ******** LU WWN Device Id: * ****** ******** Firmware Version: CC82 User Capacity: 1,000,204,886,016 bytes [1.00 TB] Sector Sizes: 512 bytes logical, 4096 bytes physical Rotation Rate: 7200 rpm Device is: In smartctl database [for details use: -P show] ATA Version is: ATA8-ACS T13/1699-D revision 4 SATA Version is: SATA 3.0, 6.0 Gb/s (current: 3.0 Gb/s) Local Time is: Wed Jan 8 03:31:41 2020 EST SMART support is: Available - device has SMART capability. SMART support is: Enabled === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED General SMART Values: Offline data collection status: (0x00) Offline data collection activity was never started. Auto Offline Data Collection: Disabled. Self-test execution status: ( 242) Self-test routine in progress... 20% of test remaining. Total time to complete Offline data collection: ( 584) seconds. Offline data collection capabilities: (0x73) SMART execute Offline immediate. Auto Offline data collection on/off support. Suspend Offline collection upon new command. No Offline surface scan supported. Self-test supported. Conveyance Self-test supported. Selective Self-test supported. SMART capabilities: (0x0003) Saves SMART data before entering power-saving mode. Supports SMART auto save timer. Error logging capability: (0x01) Error logging supported. General Purpose Logging supported. Short self-test routine recommended polling time: ( 1) minutes. Extended self-test routine recommended polling time: ( 118) minutes. Conveyance self-test routine recommended polling time: ( 2) minutes. SCT capabilities: (0x3085) SCT Status supported. SMART Attributes Data Structure revision number: 10 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000f 114 099 006 Pre-fail Always - 68174856 3 Spin_Up_Time 0x0003 097 097 000 Pre-fail Always - 0 4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 401 5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 0 7 Seek_Error_Rate 0x000f 087 060 030 Pre-fail Always - 582493393 9 Power_On_Hours 0x0032 056 056 000 Old_age Always - 39397 10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0 12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 185 183 Runtime_Bad_Block 0x0032 100 100 000 Old_age Always - 0 184 End-to-End_Error 0x0032 100 100 099 Old_age Always - 0 187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0 188 Command_Timeout 0x0032 100 099 000 Old_age Always - 0 0 2 189 High_Fly_Writes 0x003a 090 090 000 Old_age Always - 10 190 Airflow_Temperature_Cel 0x0022 077 060 045 Old_age Always - 23 (Min/Max 22/23) 191 G-Sense_Error_Rate 0x0032 100 100 000 Old_age Always - 0 192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 158 193 Load_Cycle_Count 0x0032 001 001 000 Old_age Always - 248161 194 Temperature_Celsius 0x0022 023 040 000 Old_age Always - 23 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0 240 Head_Flying_Hours 0x0000 100 253 000 Old_age Offline - 33200h+58m+57.958s 241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 782296782482 242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 4312618627972 SMART Error Log Version: 1 No Errors Logged SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Short offline Self-test routine in progress 20% 39397 - SMART Selective self-test log data structure revision number 1 SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS 1 0 0 Not_testing 2 0 0 Not_testing 3 0 0 Not_testing 4 0 0 Not_testing 5 0 0 Not_testing Selective self-test flags (0x0): After scanning selected spans, do NOT read-scan remainder of disk. If Selective self-test is pending on power-up, resume after 0 minute delay.