我正在运行一个带有软件 Raid 1 的服务器，它仅用于使用 Idera/R1Soft 进行备份。最近几天，备份生成速度非常慢，所以我开始怀疑是否存在磁盘问题。但我不确定是否是这种情况，所以希望有人能帮助我诊断问题。
下面是磁盘的大量信息，如果需要其他信息，请告诉我。这些驱动器看起来是否正常，或者似乎存在什么问题？备份软件保存到 /home/ 分区，因此这可能是问题所在。
如果其中一个磁盘有故障，我需要向服务器提供商发送此证明，我该发送什么？
非常感谢！
配置文件
DEVICES /dev/[hs]d*
ARRAY /dev/md/0 metadata=1.0 UUID=77f79cbb:769b739a:61e3078d:baa387d3 name=rescue:0
ARRAY /dev/md/1 metadata=1.0 UUID=07982091:3873fa5c:5308f9a4:7be6239d name=rescue:1
ARRAY /dev/md/2 metadata=1.0 UUID=9faef154:1550a09e:b8a9f3a5:792ec8f7 name=rescue:2
ARRAY /dev/md/3 metadata=1.0 UUID=21d130c8:d3d06125:80436cbf:f30ca896 name=rescue:3
/proc/mdstat
Personalities : [raid1]
md1 : active raid1 sda2[0] sdb2[1]
524224 blocks super 1.0 [2/2] [UU]
md0 : active raid1 sda1[0] sdb1[1]
8388596 blocks super 1.0 [2/2] [UU]
md3 : active raid1 sda4[0] sdb4[1]
1847609660 blocks super 1.0 [2/2] [UU]
[>....................] check = 1.5% (28544512/1847609660) finish=30485.4min speed=994K/sec
bitmap: 6/14 pages [24KB], 65536KB chunk
md2 : active raid1 sda3[0] sdb3[1]
1073741688 blocks super 1.0 [2/2] [UU]
resync=DELAYED
unused devices: <none>
lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 2.7T 0 disk
├─sda1 8:1 0 8G 0 part
│ └─md0 9:0 0 8G 0 raid1 [SWAP]
├─sda2 8:2 0 512M 0 part
│ └─md1 9:1 0 512M 0 raid1 /boot
├─sda3 8:3 0 1T 0 part
│ └─md2 9:2 0 1024G 0 raid1 /
├─sda4 8:4 0 1.7T 0 part
│ └─md3 9:3 0 1.7T 0 raid1 /home
└─sda5 8:5 0 1M 0 part
sdb 8:16 0 2.7T 0 disk
├─sdb1 8:17 0 8G 0 part
│ └─md0 9:0 0 8G 0 raid1 [SWAP]
├─sdb2 8:18 0 512M 0 part
│ └─md1 9:1 0 512M 0 raid1 /boot
├─sdb3 8:19 0 1T 0 part
│ └─md2 9:2 0 1024G 0 raid1 /
├─sdb4 8:20 0 1.7T 0 part
│ └─md3 9:3 0 1.7T 0 raid1 /home
└─sdb5 8:21 0 1M 0 part
smartctl -a /dev/sda4
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.10.0-123.20.1.el7.x86_64] (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: ST3000DM001-1CH166
Serial Number: Z1F0S2S6
LU WWN Device Id: 5 000c50 04dc90878
Firmware Version: CC43
User Capacity: 3,000,592,982,016 bytes [3.00 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: 6.0 Gb/s)
Local Time is: Sun May 3 11:44:10 2015 CEST
==> WARNING: A firmware update for this drive may be 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: (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: ( 575) seconds.
Offline data collection
capabilities: (0x73) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
No 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: ( 324) 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 117 099 006 Pre-fail Always - 162055184
3 Spin_Up_Time 0x0003 092 092 000 Pre-fail Always - 0
4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 9
5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 24
7 Seek_Error_Rate 0x000f 077 050 030 Pre-fail Always - 43512399126
9 Power_On_Hours 0x0032 074 074 000 Old_age Always - 23095
10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 9
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 075 075 000 Old_age Always - 25
190 Airflow_Temperature_Cel 0x0022 068 062 045 Old_age Always - 32 (Min/Max 25/33)
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 - 6
193 Load_Cycle_Count 0x0032 097 097 000 Old_age Always - 7646
194 Temperature_Celsius 0x0022 032 040 000 Old_age Always - 32 (0 21 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 - 23095h+14m+28.598s
241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 130844533886
242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 310965085514
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% 20851 -
# 2 Extended offline Completed without error 00% 20833 -
# 3 Extended offline Completed without error 00% 20827 -
# 4 Extended offline Completed without error 00% 20822 -
# 5 Extended offline Completed without error 00% 5 -
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/sdb4
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.10.0-123.20.1.el7.x86_64] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: Toshiba 3.5" HDD DT01ACA...
Device Model: TOSHIBA DT01ACA300
Serial Number: 94KK14MGS
LU WWN Device Id: 5 000039 ff4e3eda1
Firmware Version: MX6OABB0
User Capacity: 3,000,592,982,016 bytes [3.00 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: 6.0 Gb/s)
Local Time is: Sun May 3 11:45:48 2015 CEST
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: (0x84) Offline data collection activity
was suspended by an interrupting command from host.
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: (22365) 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: ( 1) minutes.
Extended self-test routine
recommended polling time: ( 373) 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 140 140 054 Pre-fail Offline - 69
3 Spin_Up_Time 0x0007 100 100 024 Pre-fail Always - 0
4 Start_Stop_Count 0x0012 100 100 000 Old_age Always - 2
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 124 124 020 Pre-fail Offline - 33
9 Power_On_Hours 0x0012 100 100 000 Old_age Always - 2268
10 Spin_Retry_Count 0x0013 100 100 060 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 2
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 4
193 Load_Cycle_Count 0x0012 100 100 000 Old_age Always - 4
194 Temperature_Celsius 0x0002 181 181 000 Old_age Always - 33 (Min/Max 25/36)
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 - 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% 24 -
# 2 Extended offline Completed without error 00% 5 -
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.
答案1
您的 md3 阵列正在重新同步，这就是它很慢的原因。根据您的 smartctl 输出，sda 很快就会失败。
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000f 117 099 006 Pre-fail Always - 162055184
3 Spin_Up_Time 0x0003 092 092 000 Pre-fail Always - 0
4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 9
5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 24
7 Seek_Error_Rate 0x000f 077 050 030 Pre-fail Always - 43512399126
9 Power_On_Hours 0x0032 074 074 000 Old_age Always - 23095
10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always -
看到所有预故障类型了吗？如果我是你，我会尽快更换该磁盘。