ubuntu mysql5.7 啟動提示錯誤

mysql start

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

使用 journalctl -xe

journalctl -xe

12月 10 11:49:38 user-70DGA014CN kernel: ata3.00: configured for UDMA/133

12月 10 11:49:38 user-70DGA014CN kernel: sd 2:0:0:0: [sda] tag#16 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE

12月 10 11:49:38 user-70DGA014CN kernel: sd 2:0:0:0: [sda] tag#16 Sense Key : Medium Error [current]

12月 10 11:49:38 user-70DGA014CN kernel: sd 2:0:0:0: [sda] tag#16 Add. Sense: Unrecovered read error

12月 10 11:49:38 user-70DGA014CN kernel: sd 2:0:0:0: [sda] tag#16 CDB: Read(16) 88 00 00 00 00 00 5c 56 24 c0 00 00 00 08 00 00

12月 10 11:49:38 user-70DGA014CN kernel: print_req_error: I/O error, dev sda, sector 1549149383

12月 10 11:49:38 user-70DGA014CN kernel: ata3: EH complete

12月 10 11:49:38 user-70DGA014CN systemd[1]: mysql.service: Main process exited, code=exited, status=2/INVALIDARGUMENT

12月 10 11:50:05 user-70DGA014CN systemd[1]: Failed to start MySQL Community Server.

-- Subject: mysql.service 單元已失敗

-- Defined-By: systemd

-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel

--

-- mysql.service 單元已失敗。

--

-- 結果為“failed”。

12月 10 11:50:05 user-70DGA014CN systemd[1]: mysql.service: Unit entered failed state.

12月 10 11:50:05 user-70DGA014CN systemd[1]: mysql.service: Failed with result 'exit-code'.

12月 10 11:50:05 user-70DGA014CN systemd[1]: mysql.service: Service hold-off time over, scheduling restart.

12月 10 11:50:05 user-70DGA014CN systemd[1]: Stopped MySQL Community Server.

-- Subject: mysql.service 單元已結束停止操作

-- Defined-By: systemd

-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel

--

-- mysql.service 單元已結束停止操作。

12月 10 11:50:05 user-70DGA014CN systemd[1]: Starting MySQL Community Server...

-- Subject: mysql.service 單元已開始啟動

-- Defined-By: systemd

-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel

--

-- mysql.service 單元已開始啟動。

12月 10 11:50:05 user-70DGA014CN audit[8266]: AVC apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/proc/8266/status" pid=8266 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=123 ouid=123

12月 10 11:50:05 user-70DGA014CN kernel: audit: type=1400 audit(1544413805.884:13993): apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/proc/8266/status" pid=8266 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=123 ouid=123

12月 10 11:50:05 user-70DGA014CN kernel: audit: type=1400 audit(1544413805.884:13994): apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/sys/devices/system/node/" pid=8266 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=123 ouid=0

12月 10 11:50:05 user-70DGA014CN kernel: audit: type=1400 audit(1544413805.884:13995): apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/proc/8266/status" pid=8266 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=123 ouid=123

12月 10 11:50:05 user-70DGA014CN audit[8266]: AVC apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/sys/devices/system/node/" pid=8266 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=123 ouid=0

12月 10 11:50:05 user-70DGA014CN audit[8266]: AVC apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/proc/8266/status" pid=8266 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=123 ouid=123

12月 10 11:50:09 user-70DGA014CN kernel: ata3.00: exception Emask 0x0 SAct 0x400000 SErr 0x0 action 0x0

12月 10 11:50:09 user-70DGA014CN kernel: ata3.00: irq_stat 0x40000008

12月 10 11:50:09 user-70DGA014CN kernel: ata3.00: failed command: READ FPDMA QUEUED

12月 10 11:50:09 user-70DGA014CN kernel: ata3.00: cmd 60/08:b0:c0:24:56/00:00:5c:00:00/40 tag 22 ncq dma 4096 in

res 43/40:08:c7:24:56/00:00:5c:00:00/00 Emask 0x408 (media error)

12月 10 11:50:09 user-70DGA014CN kernel: ata3.00: status: { DRDY SENSE ERR }

12月 10 11:50:09 user-70DGA014CN kernel: ata3.00: error: { UNC }

12月 10 11:50:09 user-70DGA014CN kernel: ata3.00: configured for UDMA/133

12月 10 11:50:09 user-70DGA014CN kernel: sd 2:0:0:0: [sda] tag#22 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE

12月 10 11:50:09 user-70DGA014CN kernel: sd 2:0:0:0: [sda] tag#22 Sense Key : Medium Error [current]

12月 10 11:50:09 user-70DGA014CN kernel: sd 2:0:0:0: [sda] tag#22 Add. Sense: Unrecovered read error

12月 10 11:50:09 user-70DGA014CN kernel: sd 2:0:0:0: [sda] tag#22 CDB: Read(16) 88 00 00 00 00 00 5c 56 24 c0 00 00 00 08 00 00

12月 10 11:50:09 user-70DGA014CN kernel: print_req_error: I/O error, dev sda, sector 1549149383

12月 10 11:50:09 user-70DGA014CN kernel: ata3: EH complete

12月 10 11:50:09 user-70DGA014CN systemd[1]: mysql.service: Main process exited, code=exited, status=2/INVALIDARGUMENT

使用systemctl status mysql.service

>>> systemctl status mysql.service

● mysql.service - MySQL Community Server

Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)

Active: activating (start-post) (Result: exit-code) since 一 2018-12-10 11:53:08 CST; 8s ago

Process: 8815 ExecStart=/usr/sbin/mysqld (code=exited, status=2)

Process: 8807 ExecStartPre=/usr/share/mysql/mysql-systemd-start pre (code=exited, status=0/SUCCESS)

Main PID: 8815 (code=exited, status=2); : 8816 (mysql-systemd-s)

CGroup: /system.slice/mysql.service

└─control

├─8816 /bin/bash /usr/share/mysql/mysql-systemd-start post

└─8852 sleep 1

12月 10 11:53:08 user-70DGA014CN systemd[1]: Starting MySQL Community Server...

12月 10 11:53:12 user-70DGA014CN systemd[1]: mysql.service: Main process exited, code=exited, status=2/INVALIDARGUMENT

總結

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