请帮我理解一下
root@bdb16e4bb2e3:/opt/scrutiny# smartctl --all /dev/sdb
smartctl 7.2 2020-12-30 r5155 [aarch64-linux-5.15.0-1024-raspi] (local build)
Copyright (C) 2002-20, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: SanDisk based SSDs
Device Model: SanDisk pSSD
Serial Number: <removed>
LU WWN Device Id: <removed>
Firmware Version: 6EB 1030
User Capacity: 128,043,712,512 bytes [128 GB]
Sector Size: 512 bytes logical/physical
Rotation Rate: Solid State Device
Form Factor: 1.8 inches
TRIM Command: Available, deterministic
Device is: In smartctl database [for details use: -P show]
ATA Version is: ACS-2 T13/2015-D revision 3
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Tue Feb 21 15:00 2023 PST
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: FAILED!
Drive failure expected in less than 24 hours. SAVE ALL DATA.
See vendor-specific Attribute list for failed Attributes.
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: ( 120) seconds.
Offline data collection
capabilities: (0x51) 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.
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: ( 41) minutes.
SMART Attributes Data Structure revision number: 1
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
5 Reallocated_Sector_Ct 0x0002 100 100 000 Old_age Always - 4
9 Power_On_Hours 0x0002 100 100 000 Old_age Always - 120
12 Power_Cycle_Count 0x0002 100 100 000 Old_age Always - 0
165 Total_Write/Erase_Count 0x0002 100 100 000 Old_age Always - 2054
171 Program_Fail_Count 0x0002 100 100 000 Old_age Always - 0
172 Erase_Fail_Count 0x0002 100 100 000 Old_age Always - 4
173 Avg_Write/Erase_Count 0x0002 100 100 000 Old_age Always - 41
174 Unexpect_Power_Loss_Ct 0x0002 100 100 000 Old_age Always - 0
187 Reported_Uncorrect 0x0002 100 100 000 Old_age Always - 0
194 Temperature_Celsius 0x0022 092 008 000 Old_age Always - 8 (Min/Max -4/33)
230 Perc_Write/Erase_Count 0x0002 100 100 000 Old_age Always - 136
232 Perc_Avail_Resrvd_Space 0x0003 000 100 005 Pre-fail Always FAILING_NOW 0
234 Perc_Write/Erase_Ct_BC 0x0002 100 100 000 Old_age Always - 10000
241 Total_LBAs_Written 0x0002 100 100 000 Old_age Always - 0
242 Total_LBAs_Read 0x0002 100 100 000 Old_age Always - 0
SMART Error Log not supported
SMART Self-test Log not supported
SMART Selective self-test log data structure revision number 0
Note: revision number not 1 implies that no selective self-test has ever been run
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.
232 Perc_Avail_Resrvd_Space 0x0003 000 100 005 预失败始终 FAILING_NOW 0 失败，我应该担心吗？
答案1
据我了解——是的。
保留块已用完。如果任何块发生故障，SSD 控制器就没有可用块来替换它。您能做的最好的事情就是备份所有信息并更换磁盘。因为对于 SSD 磁盘，它们会立即完全停止，并且您在恢复实验室中恢复某些信息的机会非常小。
答案2
这是 Sandisk Extreme Pro USB 驱动器吗？我有一个，其 SMART 统计数据非常相似
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
5 Reallocated_Sector_Ct 0x0002 100 100 000 Old_age Always - 4
9 Power_On_Hours 0x0002 100 100 000 Old_age Always - 0
12 Power_Cycle_Count 0x0002 100 100 000 Old_age Always - 0
165 Total_Write/Erase_Count 0x0002 100 100 000 Old_age Always - 4
171 Program_Fail_Count 0x0002 100 100 000 Old_age Always - 0
172 Erase_Fail_Count 0x0002 100 100 000 Old_age Always - 0
173 Avg_Write/Erase_Count 0x0002 100 100 000 Old_age Always - 1
174 Unexpect_Power_Loss_Ct 0x0002 100 100 000 Old_age Always - 0
187 Reported_Uncorrect 0x0002 100 100 000 Old_age Always - 0
194 Temperature_Celsius 0x0022 092 008 000 Old_age Always - 8 (Min/Max 0/33)
230 Perc_Write/Erase_Count 0x0002 100 100 000 Old_age Always - 3
232 Perc_Avail_Resrvd_Space 0x0003 000 100 005 Pre-fail Always FAILING_NOW 0
234 Perc_Write/Erase_Ct_BC 0x0002 100 100 000 Old_age Always - 10000
241 Total_LBAs_Written 0x0002 100 100 000 Old_age Always - 0
242 Total_LBAs_Read 0x0002 100 100 000 Old_age Always - 0
这不是一个使用频率很高的驱动器，我怀疑它是否出了问题。SMART 统计数据的一个问题是它们不够标准化，制造商可以随意使用它们。我想知道这里的情况是否如此。
看起来像一个相关的错误报告：https://bugs.launchpad.net/ubuntu/+source/smartmontools/+bug/2000656