我的问题我收到了很多关于A DegradedArray event had been detected on md device /dev/md3. 另一封邮件A DegradedArray event had been detected on md device /dev/md1.
我不知道该怎么做，我尝试重新添加 de/dev/md3和/dev/md1
我认为设置是错误的，当我购买这台服务器时，他们说我得到 2TB......也许是 1TB 和 1TB，它们将像 RAID1（镜像）一样运行。
有关磁盘和 mdadm 的信息
cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md1 : active raid1 sdb1[1]
4194240 blocks [2/1] [_U]
md3 : active raid1 sdb3[0]
970470016 blocks [2/1] [U_]
unused devices: <none>
/etc/mdadm/mdadm.conf
# mdadm.conf
#
# Please refer to mdadm.conf(5) for information about this file.
#
# by default (built-in), scan all partitions (/proc/partitions) and all
# containers for MD superblocks. alternatively, specify devices to scan, using
# wildcards if desired.
#DEVICE partitions containers
# auto-create devices with Debian standard permissions
CREATE owner=root group=disk mode=0660 auto=yes
# automatically tag new arrays as belonging to the local system
HOMEHOST <system>
# instruct the monitoring daemon where to send mail alerts
MAILADDR root
# definitions of existing MD arrays
ARRAY /dev/md1 level=raid1 num-devices=2 devices=/dev/sda1,/dev/sdb1
ARRAY /dev/md3 level=raid1 num-devices=2 devices=/dev/sda3,/dev/sdb3
#ARRAY /dev/md11 level=raid1 num-devices=2 devices=/dev/sdc1,/dev/sdd1
mdadm --detail /dev/md1
/dev/md1:
Version : 0.90
Creation Time : Tue Jun 28 21:37:54 2016
Raid Level : raid1
Array Size : 4194240 (4.00 GiB 4.29 GB)
Used Dev Size : 4194240 (4.00 GiB 4.29 GB)
Raid Devices : 2
Total Devices : 1
Preferred Minor : 1
Persistence : Superblock is persistent
Update Time : Mon Aug 8 16:39:07 2016
State : clean, degraded
Active Devices : 1
Working Devices : 1
Failed Devices : 0
Spare Devices : 0
UUID : 4878c265:cddfb861:1f51fb89:78ee93fe
Events : 0.315685
Number Major Minor RaidDevice State
0 0 0 0 removed
1 8 17 1 active sync /dev/sdb1
mdadm --detail /dev/md3
/dev/md3:
Version : 0.90
Creation Time : Tue Jun 28 21:37:54 2016
Raid Level : raid1
Array Size : 970470016 (925.51 GiB 993.76 GB)
Used Dev Size : 970470016 (925.51 GiB 993.76 GB)
Raid Devices : 2
Total Devices : 1
Preferred Minor : 3
Persistence : Superblock is persistent
Update Time : Mon Aug 8 15:52:08 2016
State : active, degraded
Active Devices : 1
Working Devices : 1
Failed Devices : 0
Spare Devices : 0
UUID : 3719a2fe:5de22a92:1f51fb89:78ee93fe
Events : 0.5184968
Number Major Minor RaidDevice State
0 8 19 0 active sync /dev/sdb3
1 0 0 1 removed
smartctl -a /dev/sda
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-88-generic] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: Seagate Barracuda 7200.14 (AF)
Device Model: ST1000DM003-1CH162
Serial Number: S1D9YP5D
LU WWN Device Id: 5 000c50 06106d1e4
Firmware Version: CC46
User Capacity: 1,000,204,886,016 bytes [1.00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 7200 rpm
Device is: In smartctl database [for details use: -P show]
ATA Version is: ATA8-ACS T13/1699-D revision 4
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is: Wed Aug 10 09:06:34 2016 MDT
==> WARNING: A firmware update for this drive is available,
see the following Seagate web pages:
http://knowledge.seagate.com/articles/en_US/FAQ/207931en
http://knowledge.seagate.com/articles/en_US/FAQ/223651en
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: ( 114) The previous self-test completed having
the read element of the test failed.
Total time to complete Offline
data collection: ( 584) 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: ( 118) minutes.
Conveyance self-test routine
recommended polling time: ( 2) minutes.
SCT capabilities: (0x3085) SCT Status 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 119 100 006 Pre-fail Always - 222223544
3 Spin_Up_Time 0x0003 099 097 000 Pre-fail Always - 0
4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 126
5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail Always - 0
7 Seek_Error_Rate 0x000f 075 060 030 Pre-fail Always - 39248061
9 Power_On_Hours 0x0032 092 092 000 Old_age Always - 7202
10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 28
183 Runtime_Bad_Block 0x0032 100 100 000 Old_age Always - 0
184 End-to-End_Error 0x0032 100 100 099 Old_age Always - 0
187 Reported_Uncorrect 0x0032 078 078 000 Old_age Always - 22
188 Command_Timeout 0x0032 100 100 000 Old_age Always - 0 0 0
189 High_Fly_Writes 0x003a 098 098 000 Old_age Always - 2
190 Airflow_Temperature_Cel 0x0022 070 066 045 Old_age Always - 30 (Min/Max 27/33)
191 G-Sense_Error_Rate 0x0032 100 100 000 Old_age Always - 0
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 124
193 Load_Cycle_Count 0x0032 096 096 000 Old_age Always - 8997
194 Temperature_Celsius 0x0022 030 040 000 Old_age Always - 30 (0 20 0 0 0)
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 56
198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 56
199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0
240 Head_Flying_Hours 0x0000 100 253 000 Old_age Offline - 6549h+39m+53.503s
241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 33965168865
242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 80274757634
SMART Error Log Version: 1
ATA Error Count: 44 (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 44 occurred at disk power-on lifetime: 6175 hours (257 days + 7 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
-- -- -- -- -- -- --
40 51 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455
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 08 ff ff ff 4f 00 01:42:34.881 READ FPDMA QUEUED
60 00 08 ff ff ff 4f 00 01:42:34.875 READ FPDMA QUEUED
60 00 00 ff ff ff 4f 00 01:42:34.820 READ FPDMA QUEUED
60 00 08 ff ff ff 4f 00 01:42:34.819 READ FPDMA QUEUED
60 00 00 ff ff ff 4f 00 01:42:34.819 READ FPDMA QUEUED
Error 43 occurred at disk power-on lifetime: 6175 hours (257 days + 7 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
-- -- -- -- -- -- --
40 51 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455
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 08 ff ff ff 4f 00 01:42:34.881 READ FPDMA QUEUED
60 00 08 ff ff ff 4f 00 01:42:34.875 READ FPDMA QUEUED
60 00 00 ff ff ff 4f 00 01:42:34.820 READ FPDMA QUEUED
60 00 08 ff ff ff 4f 00 01:42:34.819 READ FPDMA QUEUED
60 00 00 ff ff ff 4f 00 01:42:34.819 READ FPDMA QUEUED
Error 42 occurred at disk power-on lifetime: 6175 hours (257 days + 7 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
-- -- -- -- -- -- --
40 51 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455
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 80 ff ff ff 4f 00 01:42:30.074 READ FPDMA QUEUED
60 00 00 ff ff ff 4f 00 01:42:30.072 READ FPDMA QUEUED
60 00 00 ff ff ff 4f 00 01:42:30.044 READ FPDMA QUEUED
60 00 00 ff ff ff 4f 00 01:42:30.041 READ FPDMA QUEUED
60 00 80 ff ff ff 4f 00 01:42:30.038 READ FPDMA QUEUED
Error 41 occurred at disk power-on lifetime: 6175 hours (257 days + 7 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
-- -- -- -- -- -- --
40 51 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455
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 80 ff ff ff 4f 00 01:42:30.074 READ FPDMA QUEUED
60 00 00 ff ff ff 4f 00 01:42:30.072 READ FPDMA QUEUED
60 00 00 ff ff ff 4f 00 01:42:30.044 READ FPDMA QUEUED
60 00 00 ff ff ff 4f 00 01:42:30.041 READ FPDMA QUEUED
60 00 80 ff ff ff 4f 00 01:42:30.038 READ FPDMA QUEUED
Error 40 occurred at disk power-on lifetime: 3355 hours (139 days + 19 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
-- -- -- -- -- -- --
40 51 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455
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 80 ff ff ff 4f 00 2d+10:10:04.077 READ FPDMA QUEUED
60 00 80 ff ff ff 4f 00 2d+10:10:04.077 READ FPDMA QUEUED
60 00 80 ff ff ff 4f 00 2d+10:10:04.077 READ FPDMA QUEUED
60 00 80 ff ff ff 4f 00 2d+10:10:04.077 READ FPDMA QUEUED
60 00 80 ff ff ff 4f 00 2d+10:10:04.077 READ FPDMA QUEUED
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
# 1 Extended offline Completed: read failure 20% 7195 1621402896
# 2 Short offline Completed without error 00% 7181 -
# 3 Extended offline Completed: read failure 20% 7164 1621402896
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.
smartctl -a /dev/sdb
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-88-generic] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: Seagate Barracuda 7200.14 (AF)
Device Model: ST1000DM003-1CH162
Serial Number: S1D9YSS6
LU WWN Device Id: 5 000c50 06106421b
Firmware Version: CC46
User Capacity: 1,000,204,886,016 bytes [1.00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 7200 rpm
Device is: In smartctl database [for details use: -P show]
ATA Version is: ATA8-ACS T13/1699-D revision 4
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is: Wed Aug 10 09:12:01 2016 MDT
==> WARNING: A firmware update for this drive is available,
see the following Seagate web pages:
http://knowledge.seagate.com/articles/en_US/FAQ/207931en
http://knowledge.seagate.com/articles/en_US/FAQ/223651en
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: ( 575) 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: ( 112) minutes.
Conveyance self-test routine
recommended polling time: ( 2) minutes.
SCT capabilities: (0x3085) SCT Status 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 105 099 006 Pre-fail Always - 7934136
3 Spin_Up_Time 0x0003 097 097 000 Pre-fail Always - 0
4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 28
5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail Always - 0
7 Seek_Error_Rate 0x000f 079 060 030 Pre-fail Always - 94580878
9 Power_On_Hours 0x0032 091 091 000 Old_age Always - 8063
10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 28
183 Runtime_Bad_Block 0x0032 100 100 000 Old_age Always - 0
184 End-to-End_Error 0x0032 100 100 099 Old_age Always - 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0
188 Command_Timeout 0x0032 100 100 000 Old_age Always - 0 0 0
189 High_Fly_Writes 0x003a 096 096 000 Old_age Always - 4
190 Airflow_Temperature_Cel 0x0022 066 063 045 Old_age Always - 34 (Min/Max 32/36)
191 G-Sense_Error_Rate 0x0032 100 100 000 Old_age Always - 0
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 27
193 Load_Cycle_Count 0x0032 100 100 000 Old_age Always - 178
194 Temperature_Celsius 0x0022 034 040 000 Old_age Always - 34 (0 20 0 0 0)
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 - 7798h+38m+47.402s
241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 43645402353
242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 75588641398
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% 8059 -
# 2 Short offline Completed without error 00% 8042 -
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.
fdisk -l
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x0b43aed6
Device Boot Start End Blocks Id System
/dev/sda1 2048 8390655 4194304 fd Linux raid autodetect
/dev/sda2 8390656 12584959 2097152 82 Linux swap / Solaris
/dev/sda3 12584960 1953525167 970470104 fd Linux raid autodetect
Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x4d10fd7b
Device Boot Start End Blocks Id System
/dev/sdb1 2048 8390655 4194304 fd Linux raid autodetect
/dev/sdb2 8390656 12584959 2097152 82 Linux swap / Solaris
/dev/sdb3 12584960 1953525167 970470104 fd Linux raid autodetect
Disk /dev/md3: 993.8 GB, 993761296384 bytes
2 heads, 4 sectors/track, 242617504 cylinders, total 1940940032 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
Disk /dev/md3 doesn't contain a valid partition table
Disk /dev/md1: 4294 MB, 4294901760 bytes
2 heads, 4 sectors/track, 1048560 cylinders, total 8388480 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
Disk /dev/md1 doesn't contain a valid partition table
Disk /dev/mapper/vg00-usr: 112.7 GB, 112742891520 bytes
255 heads, 63 sectors/track, 13706 cylinders, total 220200960 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
Disk /dev/mapper/vg00-usr doesn't contain a valid partition table
Disk /dev/mapper/vg00-var: 773.1 GB, 773094113280 bytes
255 heads, 63 sectors/track, 93990 cylinders, total 1509949440 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
Disk /dev/mapper/vg00-var doesn't contain a valid partition table
Disk /dev/mapper/vg00-home: 75.2 GB, 75161927680 bytes
255 heads, 63 sectors/track, 9137 cylinders, total 146800640 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
Disk /dev/mapper/vg00-home doesn't contain a valid partition table
cat /proc/partitions
major minor #blocks name
8 0 976762584 sda
8 1 4194304 sda1
8 2 2097152 sda2
8 3 970470104 sda3
8 16 976762584 sdb
8 17 4194304 sdb1
8 18 2097152 sdb2
8 19 970470104 sdb3
9 3 970470016 md3
9 1 4194240 md1
252 0 110100480 dm-0
252 1 754974720 dm-1
252 2 73400320 dm-2
我使用智能工具进行了长时间的测试smartctl
- 有
/dev/sda破损吗？ - 我认为我已经在“/dev/sda”磁盘中安装了所有内容，而其他的
md3 /dev/sdb尚未同步。 - 今天我的服务器没有问题...
- 我迁移到该服务器，这个问题的最佳解决方案是什么？