我在 Ubuntu 22.04 上使用 OpenZFS 2.1.5。
zpool status -v展示复发性我的一个机械驱动器出现读写错误。但是，SMART 测试未显示磁盘存在任何问题。所谓反复出现的意思是，即使执行了多次清理，错误仍然连续几天增加。
进行长时间的测试后，smartctl -a /dev/sdi给出以下输出：
smartctl 7.2 2020-12-30 r5155 [x86_64-linux-5.15.0-71-generic] (local build)
Copyright (C) 2002-20, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: Seagate IronWolf
Device Model: ST8000VN004-2M2101
Serial Number: WSD5CNQY
LU WWN Device Id: 5 000c50 0e395c73b
Firmware Version: SC60
User Capacity: 8,001,563,222,016 bytes [8.00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 7200 rpm
Form Factor: 3.5 inches
Device is: In smartctl database [for details use: -P show]
ATA Version is: ACS-4 (minor revision not indicated)
SATA Version is: SATA 3.3, 6.0 Gb/s (current: 1.5 Gb/s)
Local Time is: Sat May 20 09:41:56 2023 UTC
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
See vendor-specific Attribute list for marginal Attributes.
General SMART Values:
Offline data collection status: (0x82) Offline data collection activity
was completed without error.
Auto Offline Data Collection: Enabled.
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: ( 559) seconds.
Offline data collection
capabilities: (0x7b) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
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: ( 710) minutes.
Conveyance self-test routine
recommended polling time: ( 2) minutes.
SCT capabilities: (0x50bd) SCT Status supported.
SCT Error Recovery Control supported.
SCT Feature Control supported.
SCT Data Table 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 081 064 044 Pre-fail Always - 115024985
3 Spin_Up_Time 0x0003 097 078 000 Pre-fail Always - 0
4 Start_Stop_Count 0x0032 048 048 020 Old_age Always - 53805
5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail Always - 0
7 Seek_Error_Rate 0x000f 085 060 045 Pre-fail Always - 284588125
9 Power_On_Hours 0x0032 093 093 000 Old_age Always - 6371
10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 048 048 020 Old_age Always - 54171
18 Head_Health 0x000b 100 100 050 Pre-fail Always - 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0
188 Command_Timeout 0x0032 100 100 000 Old_age Always - 1
190 Airflow_Temperature_Cel 0x0022 065 039 040 Old_age Always In_the_past 35 (0 54 35 34 0)
192 Power-Off_Retract_Count 0x0032 074 074 000 Old_age Always - 53631
193 Load_Cycle_Count 0x0032 069 069 000 Old_age Always - 63782
194 Temperature_Celsius 0x0022 035 061 000 Old_age Always - 35 (0 19 0 0 0)
195 Hardware_ECC_Recovered 0x001a 081 064 000 Old_age Always - 115024985
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 - 2936 (169 98 0)
241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 15091623608
242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 199570567296
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% 6283 -
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.
以下是与此错误之一相对应的 zfs 事件：
May 20 2023 08:43:08.675217723 ereport.fs.zfs.io
class = "ereport.fs.zfs.io"
ena = 0x4e2f19a0af71fc01
detector = (embedded nvlist)
version = 0x0
scheme = "zfs"
pool = 0x22e98240f9179f3d
vdev = 0xdc247207eae1c346
(end detector)
pool = "zpanier"
pool_guid = 0x22e98240f9179f3d
pool_state = 0x0
pool_context = 0x0
pool_failmode = "wait"
vdev_guid = 0xdc247207eae1c346
vdev_type = "disk"
vdev_path = "/dev/sdi1"
vdev_ashift = 0x9
vdev_complete_ts = 0x454e2f190abaf
vdev_delta_ts = 0xf22e2
vdev_read_errors = 0x43
vdev_write_errors = 0x2
vdev_cksum_errors = 0x0
vdev_delays = 0x0
parent_guid = 0xd9ce168f4fdd4616
parent_type = "raidz"
vdev_spare_paths =
vdev_spare_guids =
zio_err = 0x5
zio_flags = 0x180880
zio_stage = 0x1000000
zio_pipeline = 0x1080000
zio_delay = 0x334ef7959
zio_timestamp = 0x454dfb70bd179
zio_delta = 0x334ef8ae4
zio_priority = 0x0
zio_offset = 0x516e48e8000
zio_size = 0x1000
zio_objset = 0x490
zio_object = 0x41310c0
zio_level = 0x0
zio_blkid = 0x1
time = 0x6468881c 0x283f013b
eid = 0x8922ee
这个池已经运行了一年半多，没有出现问题。
我是否应该假设 zfs 报告的错误表明磁盘存在问题，但 SMART 数据尚未反映该问题？我应该立即更换磁盘吗？
答案1
经过进一步调查，问题似乎出在我的 SAS 电缆上。