Nic*_*ick 6 raid debian hard-drive software-raid
我的 RAID 1 镜像中有一个特定的硬盘驱动器，它在重负载下会发生故障，通常是在我运行完整备份时。
驱动没有问题。好的，在写入超级块时出现一个错误，但仅此而已。每次运行备份过程时，始终需要手动重新添加同一磁盘和同一阵列。
是否有任何设置可以md更好地容忍导致该驱动器在负载下发生故障的原因？
这是 Debian 上的 Linux 软件 RAID。
更新：根据要求，DMSG失败时的输出：
[2347429.116507] print_req_error: I/O error, dev sda, sector 15751347328
[2347429.116511] sd 1:0:0:0: [sda] tag#1058 FAILED Result: hostbyte=DID_SOFT_ERROR driverbyte=DRIVER_OK
[2347429.116516] mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
[2347429.116518] sd 1:0:0:0: [sda] tag#1058 CDB: Write(16) 8a 08 00 00 00 00 00 00 00 28 00 00 00 08 00 00
[2347429.116522] mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
[2347429.116523] print_req_error: I/O error, dev sda, sector 40
[2347429.116526] mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
[2347429.116529] print_req_error: I/O error, dev sda, sector 40
[2347429.116532] mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
[2347429.116533] md: super_written gets error=10
[2347429.116536] mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
[2347429.116538] md/raid1:md127: Disk failure on sda, disabling device.
md/raid1:md127: Operation continuing on 1 devices.
我还刚刚运行了一个简短的 SMART 离线测试，其中Completed without error. 状态是：
SMART overall-health self-assessment test result: PASSED
更新2：输出smartctl -a /dev/sda
smartctl 6.6 2017-11-05 r4594 [x86_64-linux-4.19.0-25-amd64] (local build)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: HGST Ultrastar He10
Device Model: HGST HUH721010ALE604
Serial Number: 1EK1W8WZ
LU WWN Device Id: 5 000cca 27eeb2150
Firmware Version: LHGNW384
User Capacity: 10,000,831,348,736 bytes [10.0 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-2, ATA8-ACS T13/1699-D revision 4
SATA Version is: SATA 3.2, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Fri Nov 17 13:20:55 2023 EST
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: (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: ( 93) seconds.
Offline data collection
capabilities: (0x5b) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
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: (1167) minutes.
SCT capabilities: (0x003d) SCT Status supported.
SCT Error Recovery Control supported.
SCT Feature Control supported.
SCT Data Table supported.
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000b 100 100 016 Pre-fail Always - 0
2 Throughput_Performance 0x0005 134 134 054 Pre-fail Offline - 96
3 Spin_Up_Time 0x0007 151 151 024 Pre-fail Always - 429 (Average 442)
4 Start_Stop_Count 0x0012 100 100 000 Old_age Always - 99
5 Reallocated_Sector_Ct 0x0033 100 100 005 Pre-fail Always - 0
7 Seek_Error_Rate 0x000b 100 100 067 Pre-fail Always - 0
8 Seek_Time_Performance 0x0005 128 128 020 Pre-fail Offline - 18
9 Power_On_Hours 0x0012 096 096 000 Old_age Always - 28468
10 Spin_Retry_Count 0x0013 100 100 060 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 99
22 Helium_Level 0x0023 100 100 025 Pre-fail Always - 100
192 Power-Off_Retract_Count 0x0032 099 099 000 Old_age Always - 1327
193 Load_Cycle_Count 0x0012 099 099 000 Old_age Always - 1327
194 Temperature_Celsius 0x0002 181 181 000 Old_age Always - 33 (Min/Max 17/45)
196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always - 0
197 Current_Pending_Sector 0x0022 100 100 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0008 100 100 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x000a 200 200 000 Old_age Always - 6783827
SMART Error Log Version: 1
ATA Error Count: 65535 (device log contains only the most recent five errors)
CR = Command Register [HEX]
FR = Features Register [HEX]
SC = Sector Count Register [HEX]
SN = Sector Number Register [HEX]
CL = Cylinder Low Register [HEX]
CH = Cylinder High Register [HEX]
DH = Device/Head Register [HEX]
DC = Device Command Register [HEX]
ER = Error register [HEX]
ST = Status register [HEX]
Powered_Up_Time is measured from power on, and printed as
DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,
SS=sec, and sss=millisec. It "wraps" after 49.710 days.
Error 65535 occurred at disk power-on lifetime: 28414 hours (1183 days + 22 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
84 41 00 00 00 00 00 Error: ICRC, ABRT at LBA = 0x00000000 = 0
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 00 00 a1 db 40 00 14d+02:47:36.906 READ FPDMA QUEUED
2f 00 01 10 00 00 00 00 14d+02:47:36.906 READ LOG EXT
60 00 08 00 a2 db 40 00 14d+02:47:36.904 READ FPDMA QUEUED
2f 00 01 10 00 00 00 00 14d+02:47:36.890 READ LOG EXT
2f 00 01 10 00 00 00 00 14d+02:47:36.890 READ LOG EXT
Error 65534 occurred at disk power-on lifetime: 28414 hours (1183 days + 22 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
84 41 00 00 00 00 00 Error: ICRC, ABRT at LBA = 0x00000000 = 0
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 00 00 a1 db 40 00 14d+02:47:36.890 READ FPDMA QUEUED
60 00 08 00 a2 db 40 00 14d+02:47:36.880 READ FPDMA QUEUED
2f 00 01 10 00 00 00 00 14d+02:47:36.865 READ LOG EXT
2f 00 01 10 00 00 00 00 14d+02:47:36.865 READ LOG EXT
60 00 08 00 a2 db 40 00 14d+02:47:36.856 READ FPDMA QUEUED
Error 65533 occurred at disk power-on lifetime: 28414 hours (1183 days + 22 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
84 41 00 00 00 00 00 Error: ICRC, ABRT at LBA = 0x00000000 = 0
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 00 00 a1 db 40 00 14d+02:47:36.865 READ FPDMA QUEUED
2f 00 01 10 00 00 00 00 14d+02:47:36.865 READ LOG EXT
60 00 08 00 a2 db 40 00 14d+02:47:36.856 READ FPDMA QUEUED
2f 00 01 10 00 00 00 00 14d+02:47:36.840 READ LOG EXT
2f 00 01 10 00 00 00 00 14d+02:47:36.840 READ LOG EXT
Error 65532 occurred at disk power-on lifetime: 28414 hours (1183 days + 22 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
84 41 00 00 00 00 00 Error: ICRC, ABRT at LBA = 0x00000000 = 0
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 00 00 a1 db 40 00 14d+02:47:36.840 READ FPDMA QUEUED
60 00 08 00 a2 db 40 00 14d+02:47:36.836 READ FPDMA QUEUED
2f 00 01 10 00 00 00 00 14d+02:47:36.823 READ LOG EXT
2f 00 01 10 00 00 00 00 14d+02:47:36.823 READ LOG EXT
60 00 08 00 a2 db 40 00 14d+02:47:36.820 READ FPDMA QUEUED
Error 65531 occurred at disk power-on lifetime: 28414 hours (1183 days + 22 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
84 41 00 00 00 00 00 Error: ICRC, ABRT at LBA = 0x00000000 = 0
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 00 00 a1 db 40 00 14d+02:47:36.823 READ FPDMA QUEUED
60 00 08 00 a2 db 40 00 14d+02:47:36.820 READ FPDMA QUEUED
2f 00 01 10 00 00 00 00 14d+02:47:36.806 READ LOG EXT
2f 00 01 10 00 00 00 00 14d+02:47:36.806 READ LOG EXT
60 00 08 00 a2 db 40 00 14d+02:47:36.796 READ FPDMA QUEUED
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
# 1 Short offline Completed without error 00% 28440 -
# 2 Extended offline Completed without error 00% 18 -
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.
vid*_*rlo 30
当您进行备份时，您会读取大量数据。驱动器可能会返回读取错误，并因此而被丢弃。这种情况可能只发生在驱动器的某些特定区域，通常不会被读取。
问题是驱动器不可靠。您应该更换驱动器，而不是尝试让 MD 接受它。MD 放弃它是有原因的——它不值得信赖。
sho*_*hok 23
单个读取错误不会将磁盘从阵列中启动，至少在 2012 年后的内核上是如此。
来自md 手册页：
在更高版本的内核中，读取错误将导致 md 尝试通过覆盖坏块来恢复。即它会从其他地方找到正确的数据，将其写入失败的块，然后尝试再次读回。如果写入或重新读取失败，md 将以与写入错误相同的方式处理错误，并使整个设备失败。
对于要从阵列中删除的设备，应该发生以下两种情况之一：
dmesg）如果您确定磁盘正常，请尝试重新安装它和/或更换 SATA/电源线。
如果问题仍然存在，请将其更换。
编辑：您的dmesg输出清楚地显示了如何sda存在一些严重的问题。我会尽快更换它。
bob*_*lux 13
我有类似的问题。我首先检查了驱动器的 SMART 信息中的读取错误计数，但没有任何错误计数。然而操作系统报告了错误并且驱动器被踢出了 RAID。
结果是 SATA 电缆出现故障。
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