[50111.446723] systemd-shutdown[1]: Could not detach DM /dev/dm-0: Device or resource busy 
[50111.446725] systemd-shutdown[1]: Not all DM devices detached, 1 left. 
[50111.446727] systemd-shutdown[1]: Cannot finalize remaining file systems, DM devices, continuing. 
[50111.472573] audit: type=1400 audit(1754646026.614:4): avc:  denied  { search } for  pid=8275 comm="mdadm" name="etc" dev="overlay" ino=529 scontext=system_u:system_r:mdadm_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=dir permissive=0 
[50111.472576] audit: type=1400 audit(1754646026.614:5): avc:  denied  { search } for  pid=8275 comm="mdadm" name="etc" dev="overlay" ino=529 scontext=system_u:system_r:mdadm_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=dir permissive=0 
[50111.482945] audit: type=1400 audit(1754646026.624:6): avc:  denied  { search } for  pid=8275 comm="mdadm" name="etc" dev="overlay" ino=529 scontext=system_u:system_r:mdadm_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=dir permissive=0 
[50111.482947] audit: type=1400 audit(1754646026.624:7): avc:  denied  { search } for  pid=8275 comm="mdadm" name="etc" dev="overlay" ino=529 scontext=system_u:system_r:mdadm_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=dir permissive=0 
[50111.482952] audit: type=1400 audit(1754646026.624:8): avc:  denied  { search } for  pid=8275 comm="mdadm" name="etc" dev="overlay" ino=529 scontext=system_u:system_r:mdadm_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=dir permissive=0 
 [!p ]104      

[root@dell-per750-66 ~]# smartctl --scan
/dev/sda -d scsi # /dev/sda, SCSI device
/dev/bus/0 -d megaraid,0 # /dev/bus/0 [megaraid_disk_00], SCSI device
[root@dell-per750-66 ~]# smartctl -a /dev/sda -d megaraid,0
smartctl 7.2 2020-12-30 r5155 [x86_64-linux-5.14.0-570.35.1.el9_6.x86_64+rt] (local build)
Copyright (C) 2002-20, Bruce Allen, Christian Franke, www.smartmontools.org=== START OF INFORMATION SECTION ===
Vendor:               SEAGATE
Product:              ST600MM0069
Revision:             ST38
Compliance:           SPC-4
User Capacity:        600,127,266,816 bytes [600 GB]
Logical block size:   512 bytes
Formatted with type 2 protection
8 bytes of protection information per logical block
LU is fully provisioned
Rotation Rate:        10000 rpm
Form Factor:          2.5 inches
Logical Unit id:      0x5000c500efe082d3
Serial number:        WFJ6HQ0V
Device type:          disk
Transport protocol:   SAS (SPL-3)
Local Time is:        Mon Aug 25 09:05:01 2025 UTC
SMART support is:     Available - device has SMART capability.
SMART support is:     Enabled
Temperature Warning:  Disabled or Not Supported=== START OF READ SMART DATA SECTION ===
SMART Health Status: OKGrown defects during certification <not available>
Total blocks reassigned during format <not available>
Total new blocks reassigned = 0
Power on minutes since format <not available>
Current Drive Temperature:     31 C
Drive Trip Temperature:        60 CAccumulated power on time, hours:minutes 19116:44
Manufactured in week 41 of year 2022
Specified cycle count over device lifetime:  10000
Accumulated start-stop cycles:  1511
Specified load-unload count over device lifetime:  300000
Accumulated load-unload cycles:  8764
Elements in grown defect list: 0Vendor (Seagate Cache) information
  Blocks sent to initiator = 2507561564
  Blocks received from initiator = 347352980
  Blocks read from cache and sent to initiator = 4076041104
  Number of read and write commands whose size <= segment size = 154872676
  Number of read and write commands whose size > segment size = 2Vendor (Seagate/Hitachi) factory information
  number of hours powered up = 19116.73
  number of minutes until next internal SMART test = 39Error counter log:
           Errors Corrected by           Total   Correction     Gigabytes    Total
               ECC          rereads/    errors   algorithm      processed    uncorrected
           fast | delayed   rewrites  corrected  invocations   [10^9 bytes]  errors
read:   2138380740        5         0  2138380745          5      27999.288           0
write:         0        0        37        37         37      69484.145           0
verify: 92511550        0         0  92511550          0      87207.180           0Non-medium error count:        0SMART Self-test log
Num  Test              Status                 segment  LifeTime  LBA_first_err [SK ASC ASQ]
     Description                              number   (hours)
# 1  Background long   Completed                  96       3                 - [-   -    -]
# 2  Background short  Completed                  96       2                 - [-   -    -]Long (extended) Self-test duration: 3565 seconds [59.4 minutes]