화면에 나오는 에러는 유심히 살펴볼 것
rasdaemon - 메모리, PCIe
REHL7(2014.06)에서 새로운 HERM (Hardware Event Report Mechanism) 도입
edac-tools, mcelog 대체
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| 코드 블럭 |
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sudo systemctl status rasdaemon
sudo journalctl -f -u rasdaemon |
(고장이 의심되는) 메모리 테스트
memtest86+ USB로 부팅해서 메모리 테스트
디스크 / SMART
| 코드 블럭 |
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| theme | Emacs |
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| title | 물리 디스크 목록 확인 |
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$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 1.8T 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 1.8T 0 part
├─centos-root 253:0 0 128G 0 lvm /
├─centos-swap 253:1 0 31.4G 0 lvm [SWAP]
└─centos-home 253:2 0 1.7T 0 lvm /home |
...
| 코드 블럭 |
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$ sudo smartctl -H /dev/sda
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
$ sudo smartctl -a /dev/sda
...
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
...
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x0032 095 095 050 Old_age Always - 1/129842826
5 Retired_Block_Count 0x0033 100 100 003 Pre-fail Always - 0
9 Power_On_Hours_and_Msec 0x0032 078 078 000 Old_age Always - 19838h+41m+20.760s
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 33
171 Program_Fail_Count 0x000a 100 100 000 Old_age Always - 0
172 Erase_Fail_Count 0x0032 100 100 000 Old_age Always - 0
174 Unexpect_Power_Loss_Ct 0x0030 000 000 000 Old_age Offline - 29
177 Wear_Range_Delta 0x0000 000 000 000 Old_age Offline - 0
181 Program_Fail_Count 0x000a 100 100 000 Old_age Always - 0
182 Erase_Fail_Count 0x0032 100 100 000 Old_age Always - 0
187 Reported_Uncorrect 0x0012 100 100 000 Old_age Always - 0
194 Temperature_Celsius 0x0022 042 061 000 Old_age Always - 42 (Min/Max 9/61)
195 ECC_Uncorr_Error_Count 0x001c 120 120 000 Old_age Offline - 1/129842826
196 Reallocated_Event_Count 0x0033 100 100 003 Pre-fail Always - 0
201 Unc_Soft_Read_Err_Rate 0x001c 120 120 000 Old_age Offline - 1/129842826
204 Soft_ECC_Correct_Rate 0x001c 120 120 000 Old_age Offline - 1/129842826
230 Life_Curve_Status 0x0013 100 100 000 Pre-fail Always - 100
231 SSD_Life_Left 0x0013 097 097 010 Pre-fail Always - 25769803777
233 SandForce_Internal 0x0032 000 000 000 Old_age Always - 5993
234 SandForce_Internal 0x0032 000 000 000 Old_age Always - 5192
241 Lifetime_Writes_GiB 0x0032 000 000 000 Old_age Always - 5192
242 Lifetime_Reads_GiB 0x0032 000 000 000 Old_age Always - 173 |
디스크 / NVMe
NVMe의 SMART 로그 보기
| 코드 블럭 |
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sudo yum -y install nvme-cli |
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| 코드 블럭 |
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sudo nvme smart-log /dev/nvme0n1 |
온도 확인
| 코드 블럭 |
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sudo yum -y install lm_sensors hddtemp |
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| 코드 블럭 |
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$ sudo hddtemp
/dev/sda: ADATA SP900: 42°C |
참고
20.6. CHECKING FOR HARDWARE ERRORS
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/sec-checking_for_hardware_errors
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