我目前正在两个不同的地点（数据中心）运行一个网站，但运行同一台机器。 过去的几个月，整个performance一直在下降，我还没有find一个罪魁祸首。

两台机器都运行Intel（R）Xeon®CPU E3-1245 V2 @ 3.40GHz（8线程），32GB内存，SoftRaid上的2x120GB SSD磁盘。

两台机器都运行以下软件：

• PHP-fpm7.1
• nginx的
• Percona MySQL（configuration为主 – 主）
• Redis的

两台服务器都运行相同的代码，我使用Amazon Route 53来平衡使用DNS的stream量。

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服务器曾经运行良好，约2000用户浏览网站（来自Google Analytics的数据），负载平均值永远不会超过1。

最近我看到一个巨大的性能下降。 任何任务将平均负载平均到6-8，有时它会轻松超过15-20。 即使是一个单一的代码部署（几个bash任务和一个没有太多麻烦的git克隆）将会永远消失，并会看到负载平均值上升，并放慢整个机器和网站。

几个月前，我不得不增加MySQL连接，同时我增加了打开文件的限制。 当前的MySQL连接是在2000年，我让MySQL自己打开的文件（值= 0将自动检测到这一点）。

我的主要猜测是，这是与数据库configuration有关的东西，我看到缓慢，而复制（是主 – 主复制），每次有一个插入网站，我可以看到加载时间跳转到10-15秒。

最奇怪的是我只有一台服务器的stream量。 使用AWS Route 53，我已经从池中删除了其中一台服务器，所以只有一台服务器实际上正在加载，即使如此，机器仍然过载。 这里是一个例子：

当发生这种情况时，我试图在网站上发表评论，这是一个简单的INSERT表，其中有一行，它只是插入3个值：

事情是…这个网站在我的Vagrant开发机器上运行得更好，有1个CPU和2GB，比在大箱子生产中的效果要好。

我确定有一些文件是你想要帮助的，我只是不知道有什么可能是有用的，所以只是让我知道，我会显示你可能需要的任何configuration。

提前致谢！

更新＃1

# sar Linux 3.14.32-xxxx-grs-ipv6-64 (freud.rbx.host.net) 11/10/17 _x86_64_ (8 CPU) 22:06:51 LINUX RESTART (8 CPU) 22:08:16 CPU %user %nice %system %iowait %steal %idle 22:10:01 all 1.64 0.00 1.92 6.67 0.00 89.77 22:12:02 all 1.04 0.00 0.39 8.88 0.00 89.69 22:14:17 all 0.87 0.00 0.35 11.41 0.00 87.37 Average: all 1.15 0.00 0.82 9.18 0.00 88.84 # sar Linux 3.14.32-xxxx-grs-ipv6-64 (bandura.bhs.infra.host.net) 11/10/17 _x86_64_ (8 CPU) 22:17:02 LINUX RESTART (8 CPU) 22:18:01 CPU %user %nice %system %iowait %steal %idle 22:20:01 all 9.31 0.00 1.34 13.29 0.00 76.06 22:22:01 all 9.05 0.00 1.52 10.25 0.00 79.17 22:24:01 all 8.99 0.00 1.32 20.63 0.00 69.06 22:26:17 all 12.08 0.00 1.41 20.26 0.00 66.25 22:28:10 all 10.03 0.00 4.00 18.50 0.00 67.48 22:30:01 all 9.76 0.00 10.22 11.67 0.00 68.35 22:32:01 all 9.24 0.00 10.09 15.82 0.00 64.85 22:34:01 all 9.94 0.00 6.98 17.14 0.00 65.93 22:36:01 all 9.05 0.00 1.28 11.73 0.00 77.94 22:38:18 all 8.48 0.00 1.27 21.18 0.00 69.08 22:40:01 all 9.49 0.00 1.54 13.81 0.00 75.16 22:42:01 all 8.70 0.00 1.43 9.35 0.00 80.52 22:44:01 all 9.79 0.00 1.30 7.45 0.00 81.46 22:46:01 all 8.53 0.00 1.08 4.61 0.00 85.78 22:48:01 all 8.84 0.00 1.06 0.20 0.00 89.91 22:50:12 all 8.37 0.00 0.97 4.41 0.00 86.25 22:52:01 all 9.39 0.00 1.09 0.11 0.00 89.41 22:54:01 all 9.19 0.00 1.11 0.08 0.00 89.63 22:56:01 all 9.92 0.00 1.18 6.37 0.00 82.53 22:58:01 all 9.75 0.00 1.13 0.29 0.00 88.84 23:00:01 all 8.61 0.00 1.05 0.35 0.00 89.99 23:02:01 all 9.49 0.00 1.18 4.99 0.00 84.34 23:04:01 all 8.79 0.00 1.07 0.19 0.00 89.95 23:06:01 all 9.72 0.00 1.18 0.23 0.00 88.87 23:08:01 all 9.27 0.00 1.15 5.80 0.00 83.78 23:10:01 all 9.81 0.00 1.16 0.09 0.00 88.94 Average: CPU %user %nice %system %iowait %steal %idle Average: all 9.37 0.00 2.20 8.50 0.00 79.93 

更新＃2

 # iostat -x -k 60 5 Linux 3.14.32-xxxx-grs-ipv6-64 (bandura.bhs.infra.host.net) 12/10/17 _x86_64_ (8 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 2.56 0.00 0.63 3.14 0.00 93.67 Device: rrqm/s wrqm/sr/sw/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sdb 0.01 5.53 1.21 7.97 77.15 298.97 81.90 0.03 2.83 5.98 2.35 0.23 0.21 sdc 0.01 5.76 1.19 7.74 77.04 298.97 84.18 2.02 225.40 7.29 259.06 20.38 18.21 sda 0.01 5.53 1.30 7.98 78.75 298.97 81.43 0.02 2.67 4.85 2.31 0.23 0.21 md1 0.00 0.00 0.12 12.04 1.85 296.01 49.00 0.00 0.00 0.00 0.00 0.00 0.00 avg-cpu: %user %nice %system %iowait %steal %idle 7.18 0.00 0.94 8.88 0.00 83.00 Device: rrqm/s wrqm/sr/sw/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sdb 0.00 93.98 0.00 22.88 0.00 1233.77 107.83 0.20 8.81 0.00 8.81 0.28 0.64 sdc 0.00 106.15 0.00 8.35 0.00 1048.48 251.13 62.91 6245.87 0.00 6245.87 112.61 94.03 sda 0.00 93.93 0.00 22.93 0.00 1233.77 107.60 0.20 8.53 0.00 8.53 0.27 0.63 md1 0.00 0.00 0.00 119.93 0.00 1233.33 20.57 0.00 0.00 0.00 0.00 0.00 0.00 avg-cpu: %user %nice %system %iowait %steal %idle 8.71 0.00 0.98 10.37 0.00 79.94 Device: rrqm/s wrqm/sr/sw/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sdb 0.00 148.23 0.00 8.33 0.00 938.97 225.35 0.16 18.67 0.00 18.67 0.57 0.47 sdc 0.00 152.42 0.00 4.38 0.00 1003.43 457.84 54.61 14547.22 0.00 14547.22 228.14 100.00 sda 0.00 147.82 0.00 8.82 0.00 938.97 213.00 0.15 17.29 0.00 17.29 0.53 0.47 md1 0.00 0.00 0.00 161.60 0.00 939.00 11.62 0.00 0.00 0.00 0.00 0.00 0.00 avg-cpu: %user %nice %system %iowait %steal %idle 9.36 0.00 1.96 30.78 0.00 57.90 Device: rrqm/s wrqm/sr/sw/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sdb 0.00 238.60 0.00 14.18 0.00 1348.97 190.22 0.15 10.74 0.00 10.74 0.49 0.70 sdc 0.00 245.12 0.00 7.12 0.00 1002.38 281.70 22.86 2694.77 0.00 2694.77 140.52 100.00 sda 0.00 238.65 0.00 14.13 0.00 1348.97 190.89 0.15 10.71 0.00 10.71 0.50 0.71 md1 0.00 0.00 0.00 261.57 0.00 1373.07 10.50 0.00 0.00 0.00 0.00 0.00 0.00 avg-cpu: %user %nice %system %iowait %steal %idle 12.54 0.00 9.82 17.06 0.00 60.58 Device: rrqm/s wrqm/sr/sw/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sdb 0.00 76.65 0.00 6.60 0.00 643.98 195.15 0.12 18.35 0.00 18.35 0.53 0.35 sdc 0.00 80.23 0.00 3.57 0.00 994.98 557.93 46.11 11933.87 0.00 11933.87 280.37 100.00 sda 0.00 76.45 0.00 6.82 0.00 643.98 188.94 0.12 16.86 0.00 16.86 0.49 0.33 md1 0.00 0.00 0.00 88.82 0.00 659.87 14.86 0.00 0.00 0.00 0.00 0.00 0.00 # ps ax|grep D PID TTY STAT TIME COMMAND 235 ? D 6:01 [jbd2/md1-8] 2856 ? Ss 0:05 /usr/sbin/sshd -D 27197 ? D 0:00 redis-rdb-bgsave 127.0.0.1:6379 27201 pts/1 S+ 0:00 grep D 29218 ? D 0:13 [kworker/u16:0] # iostat -x -k 60 5 Linux 3.14.32-xxxx-grs-ipv6-64 (freud.rbx.host.net) 12/10/17 _x86_64_ (8 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 1.09 0.00 0.26 0.99 0.00 97.66 Device: rrqm/s wrqm/sr/sw/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sda 0.00 3.57 0.69 5.98 41.38 135.49 53.02 0.01 1.85 5.03 1.49 0.21 0.14 sdc 0.00 3.64 0.63 5.91 40.62 135.49 53.81 0.45 69.43 6.72 76.12 3.66 2.39 sdb 0.01 3.65 0.63 5.90 40.65 135.49 53.89 0.55 84.47 6.06 92.90 9.92 6.49 md1 0.00 0.00 0.06 7.91 0.83 132.65 33.50 0.00 0.00 0.00 0.00 0.00 0.00 avg-cpu: %user %nice %system %iowait %steal %idle 0.64 0.00 0.15 21.01 0.00 78.21 Device: rrqm/s wrqm/sr/sw/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sda 0.00 163.15 0.00 5.05 0.00 981.53 388.73 0.27 52.73 0.00 52.73 1.33 0.67 sdc 0.00 164.90 0.00 3.52 0.00 997.41 567.25 67.67 13897.55 0.00 13897.55 284.36 100.00 sdb 0.00 165.32 0.00 3.13 0.00 997.54 636.73 67.30 15544.66 0.00 15544.66 319.11 99.99 md1 0.00 0.00 0.00 175.33 0.00 968.80 11.05 0.00 0.00 0.00 0.00 0.00 0.00 avg-cpu: %user %nice %system %iowait %steal %idle 2.25 0.00 0.40 14.61 0.00 82.73 Device: rrqm/s wrqm/sr/sw/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sda 0.00 159.37 0.00 14.42 0.00 1019.41 141.42 0.08 5.61 0.00 5.61 0.42 0.60 sdc 0.00 161.68 0.00 12.02 0.00 1082.34 180.14 24.31 4169.90 0.00 4169.90 74.98 90.11 sdb 0.00 161.68 0.00 12.00 0.00 1082.21 180.37 24.23 4152.64 0.00 4152.64 75.09 90.11 md1 0.00 0.00 0.00 173.33 0.00 1025.40 11.83 0.00 0.00 0.00 0.00 0.00 0.00 avg-cpu: %user %nice %system %iowait %steal %idle 2.90 0.00 2.22 26.51 0.00 68.37 Device: rrqm/s wrqm/sr/sw/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sda 0.00 120.45 0.02 16.13 0.27 795.08 98.50 0.07 4.49 0.00 4.50 0.31 0.49 sdc 0.00 125.63 0.00 10.75 0.00 1000.96 186.22 30.75 2925.46 0.00 2925.46 92.99 99.96 sdb 0.00 125.65 0.00 10.73 0.00 1000.96 186.51 30.78 2932.71 0.00 2932.71 93.15 99.98 md1 0.00 0.00 0.02 136.77 0.27 785.80 11.49 0.00 0.00 0.00 0.00 0.00 0.00 avg-cpu: %user %nice %system %iowait %steal %idle 5.29 0.00 9.46 17.60 0.00 67.66 Device: rrqm/s wrqm/sr/sw/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sda 0.00 152.48 0.00 27.47 0.00 1250.92 91.09 0.24 8.67 0.00 8.67 0.30 0.83 sdc 0.00 166.90 0.00 10.93 0.00 1001.18 183.14 45.73 3911.24 0.00 3911.24 91.46 99.99 sdb 0.00 166.92 0.00 10.92 0.00 1001.18 183.42 45.22 3885.74 0.00 3885.74 91.56 99.95 md1 0.00 0.00 0.00 183.17 0.00 1250.80 13.66 0.00 0.00 0.00 0.00 0.00 0.00 # ps ax|grep D PID TTY STAT TIME COMMAND 234 ? D 11:35 [jbd2/md1-8] 1389 ? Ss 0:00 /usr/sbin/sshd -D 24696 pts/2 S+ 0:00 grep D 29904 ? D 0:01 [kworker/u16:0] 

更新＃3

 root@bandura:~# cat /proc/mdstat Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [multipath] [faulty] md1 : active raid1 sda1[0] sdb1[1] sdc1[2] 155238336 blocks [3/3] [UUU] bitmap: 1/2 pages [4KB], 65536KB chunk unused devices: <none> root@bandura:~# dmesg|grep sdc root@bandura:~# 

更新＃4

 # smartctl --all /dev/sdb smartctl 6.6 2016-05-31 r4324 [x86_64-linux-3.14.32-xxxx-grs-ipv6-64] (local build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Model Family: Intel 730 and DC S35x0/3610/3700 Series SSDs Device Model: INTEL SSDSC2BB160G4 Serial Number: BTWL322504JG160MGN LU WWN Device Id: 5 001517 8f3633dfe Firmware Version: D2010370 User Capacity: 160,041,885,696 bytes [160 GB] Sector Sizes: 512 bytes logical, 4096 bytes physical Rotation Rate: Solid State Device Form Factor: 2.5 inches Device is: In smartctl database [for details use: -P show] ATA Version is: ACS-2 T13/2015-D revision 3 SATA Version is: SATA 2.6, 6.0 Gb/s (current: 3.0 Gb/s) Local Time is: Thu Oct 12 18:37:52 2017 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: (0x02) Offline data collection activity was completed without error. 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: ( 2) seconds. Offline data collection capabilities: (0x79) SMART execute Offline immediate. No Auto Offline data collection 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: ( 2) minutes. Conveyance self-test routine recommended polling time: ( 2) 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: 1 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 5 Reallocated_Sector_Ct 0x0032 099 099 000 Old_age Always - 5 9 Power_On_Hours 0x0032 100 100 000 Old_age Always - 34065 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 33 170 Available_Reservd_Space 0x0033 099 099 010 Pre-fail Always - 0 171 Program_Fail_Count 0x0032 100 100 000 Old_age Always - 3 172 Erase_Fail_Count 0x0032 100 100 000 Old_age Always - 0 174 Unsafe_Shutdown_Count 0x0032 100 100 000 Old_age Always - 30 175 Power_Loss_Cap_Test 0x0033 100 100 010 Pre-fail Always - 636 (197 5654) 183 SATA_Downshift_Count 0x0032 100 100 000 Old_age Always - 0 184 End-to-End_Error 0x0033 100 100 090 Pre-fail Always - 0 187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0 190 Temperature_Case 0x0022 080 065 000 Old_age Always - 20 (Min/Max 5/35) 192 Unsafe_Shutdown_Count 0x0032 100 100 000 Old_age Always - 30 194 Temperature_Internal 0x0022 100 100 000 Old_age Always - 27 197 Current_Pending_Sector 0x0032 100 100 000 Old_age Always - 0 199 CRC_Error_Count 0x003e 100 100 000 Old_age Always - 0 225 Host_Writes_32MiB 0x0032 100 100 000 Old_age Always - 17086779 226 Workld_Media_Wear_Indic 0x0032 100 100 000 Old_age Always - 65535 227 Workld_Host_Reads_Perc 0x0032 100 100 000 Old_age Always - 65535 228 Workload_Minutes 0x0032 100 100 000 Old_age Always - 65535 232 Available_Reservd_Space 0x0033 099 099 010 Pre-fail Always - 0 233 Media_Wearout_Indicator 0x0032 001 001 000 Old_age Always - 0 234 Thermal_Throttle 0x0032 100 100 000 Old_age Always - 0/0 241 Host_Writes_32MiB 0x0032 100 100 000 Old_age Always - 17086779 242 Host_Reads_32MiB 0x0032 100 100 000 Old_age Always - 733141 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 Short offline Completed without error 00% 20497 - # 2 Short offline Completed without error 00% 20494 - # 3 Short offline Completed without error 00% 20494 - # 4 Short offline Completed without error 00% 20365 - # 5 Short offline Completed without error 00% 20365 - # 6 Short offline Completed without error 00% 4 - # 7 Short offline Completed without error 00% 2 - # 8 Short offline Completed without error 00% 1 - # 9 Short offline Completed without error 00% 1 - #10 Short offline Completed without error 00% 0 - 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. root@bandura:~# smartctl --all /dev/sdc smartctl 6.6 2016-05-31 r4324 [x86_64-linux-3.14.32-xxxx-grs-ipv6-64] (local build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Model Family: Intel 730 and DC S35x0/3610/3700 Series SSDs Device Model: INTEL SSDSC2BB160G4 Serial Number: BTWL344401UY160MGN LU WWN Device Id: 5 5cd2e4 04b511f40 Firmware Version: D2010370 User Capacity: 160,041,885,696 bytes [160 GB] Sector Sizes: 512 bytes logical, 4096 bytes physical Rotation Rate: Solid State Device Form Factor: 2.5 inches Device is: In smartctl database [for details use: -P show] ATA Version is: ACS-2 T13/2015-D revision 3 SATA Version is: SATA 2.6, 6.0 Gb/s (current: 3.0 Gb/s) Local Time is: Thu Oct 12 18:37:57 2017 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: (0x02) Offline data collection activity was completed without error. 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: ( 2) seconds. Offline data collection capabilities: (0x79) SMART execute Offline immediate. No Auto Offline data collection 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: ( 2) minutes. Conveyance self-test routine recommended polling time: ( 2) 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: 1 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 5 Reallocated_Sector_Ct 0x0032 100 100 000 Old_age Always - 0 9 Power_On_Hours 0x0032 100 100 000 Old_age Always - 22162 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 32 170 Available_Reservd_Space 0x0033 100 100 010 Pre-fail Always - 0 171 Program_Fail_Count 0x0032 100 100 000 Old_age Always - 0 172 Erase_Fail_Count 0x0032 100 100 000 Old_age Always - 0 174 Unsafe_Shutdown_Count 0x0032 100 100 000 Old_age Always - 30 175 Power_Loss_Cap_Test 0x0033 100 100 010 Pre-fail Always - 628 (128 5695) 183 SATA_Downshift_Count 0x0032 100 100 000 Old_age Always - 0 184 End-to-End_Error 0x0033 100 100 090 Pre-fail Always - 0 187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0 190 Temperature_Case 0x0022 078 063 000 Old_age Always - 22 (Min/Max 8/37) 192 Unsafe_Shutdown_Count 0x0032 100 100 000 Old_age Always - 30 194 Temperature_Internal 0x0022 100 100 000 Old_age Always - 29 197 Current_Pending_Sector 0x0032 100 100 000 Old_age Always - 0 199 CRC_Error_Count 0x003e 100 100 000 Old_age Always - 0 225 Host_Writes_32MiB 0x0032 100 100 000 Old_age Always - 17847559 226 Workld_Media_Wear_Indic 0x0032 100 100 000 Old_age Always - 102359 227 Workld_Host_Reads_Perc 0x0032 100 100 000 Old_age Always - 0 228 Workload_Minutes 0x0032 100 100 000 Old_age Always - 1329513 232 Available_Reservd_Space 0x0033 100 100 010 Pre-fail Always - 0 233 Media_Wearout_Indicator 0x0032 001 001 000 Old_age Always - 0 234 Thermal_Throttle 0x0032 100 100 000 Old_age Always - 0/0 241 Host_Writes_32MiB 0x0032 100 100 000 Old_age Always - 17847559 242 Host_Reads_32MiB 0x0032 100 100 000 Old_age Always - 144838 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 Short offline Completed without error 00% 8594 - # 2 Short offline Completed without error 00% 8591 - # 3 Short offline Completed without error 00% 8591 - # 4 Short offline Completed without error 00% 8462 - # 5 Short offline Completed without error 00% 8462 - # 6 Short offline Completed without error 00% 8432 - # 7 Short offline Completed without error 00% 8431 - # 8 Short offline Completed without error 00% 3880 - # 9 Short offline Completed without error 00% 3879 - #10 Short offline Completed without error 00% 3879 - #11 Short offline Completed without error 00% 1 - #12 Short offline Completed without error 00% 0 - #13 Short offline Completed without error 00% 0 - 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.