故障时间变化很大，最长的运行时间约为 13 小时，fsck 从不报告任何问题，并且在冻结发生之前关闭会产生干净的重启，启动序列中没有孤立的 inode。对文件系统的一次恢复检查（启动期间按 esc f2）显示 1 个损坏的文件，但我无法复制它。smartctl 输出如下：
smartctl 7.2 2020-12-30 r5155 [x86_64-linux-5.15.0-75-generic] (local build)
Copyright (C) 2002-20, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: WD Blue / Red / Green SSDs
Device Model: WDC WDS500G2B0A-00SM50
Serial Number: 213212806522
LU WWN Device Id: 5 001b44 8bc61fb2d
Firmware Version: 415020WD
User Capacity: 500,107,862,016 bytes [500 GB]
Sector Size: 512 bytes logical/physical
Rotation Rate: Solid State Device
Form Factor: 2.5 inches
TRIM Command: Available, deterministic, zeroed
Device is: In smartctl database [for details use: -P show]
ATA Version is: ACS-4 T13/BSR INCITS 529 revision 5
SATA Version is: SATA 3.3, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Thu Jun 29 10:35:01 2023 EDT
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: ( 0) The previous self-test routine completed
without error or no self-test has ever
been run.
Total time to complete Offline
data collection: ( 0) seconds.
Offline data collection
capabilities: (0x11) SMART execute Offline immediate.
No Auto Offline data collection support.
Suspend Offline collection upon new
command.
No Offline surface scan supported.
Self-test supported.
No Conveyance Self-test supported.
No 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: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 10) minutes.
SMART Attributes Data Structure revision number: 4
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
5 Reallocated_Sector_Ct 0x0032 100 100 --- Old_age Always - 0
9 Power_On_Hours 0x0032 100 100 --- Old_age Always - 11839
12 Power_Cycle_Count 0x0032 100 100 --- Old_age Always - 214
165 Block_Erase_Count 0x0032 100 100 --- Old_age Always - 382465936243
166 Minimum_PE_Cycles_TLC 0x0032 100 100 --- Old_age Always - 1
167 Max_Bad_Blocks_per_Die 0x0032 100 100 --- Old_age Always - 64
168 Maximum_PE_Cycles_TLC 0x0032 100 100 --- Old_age Always - 18
169 Total_Bad_Blocks 0x0032 100 100 --- Old_age Always - 268
170 Grown_Bad_Blocks 0x0032 100 100 --- Old_age Always - 0
171 Program_Fail_Count 0x0032 100 100 --- Old_age Always - 0
172 Erase_Fail_Count 0x0032 100 100 --- Old_age Always - 0
173 Average_PE_Cycles_TLC 0x0032 100 100 --- Old_age Always - 9
174 Unexpected_Power_Loss 0x0032 100 100 --- Old_age Always - 47
184 End-to-End_Error 0x0032 100 100 --- Old_age Always - 0
187 Reported_Uncorrect 0x0032 100 100 --- Old_age Always - 0
188 Command_Timeout 0x0032 100 100 --- Old_age Always - 0
194 Temperature_Celsius 0x0022 076 040 --- Old_age Always - 24 (Min/Max 11/40)
199 UDMA_CRC_Error_Count 0x0032 100 100 --- Old_age Always - 0
230 Media_Wearout_Indicator 0x0032 005 005 --- Old_age Always - 0x0556005a0556
232 Available_Reservd_Space 0x0033 100 100 004 Pre-fail Always - 100
233 NAND_GB_Written_TLC 0x0032 100 100 --- Old_age Always - 4897
234 NAND_GB_Written_SLC 0x0032 100 100 --- Old_age Always - 21766
241 Host_Writes_GiB 0x0030 253 253 --- Old_age Offline - 16387
242 Host_Reads_GiB 0x0030 253 253 --- Old_age Offline - 5417
244 Temp_Throttle_Status 0x0032 000 100 --- Old_age Always - 0
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 Extended offline Completed without error 00% 11838 -
Selective Self-tests/Logging not supported