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RHELシステムを6.7から7.2にアップグレードしたばかりで、MySQLの再起動に問題があります。RHEL 7.2へのアップグレード後にMySQLを起動できません。登録されていない認証エージェント
ランニング：
# systemctl start mysqld
を、私はこのエラーを取得する：
Job for mysqld.service failed because the control process exited with error code.
See "systemctl status mysqld.service" and "journalctl -xe" for details.
systemctl statusは私に次のように伝えます：
● mysqld.service - SYSV: MySQL database server.
Loaded: loaded (/etc/rc.d/init.d/mysqld)
Active: failed (Result: exit-code) since Tue 2017-05-02 10:00:52 CDT; 59s ago
Docs: man:systemd-sysv-generator(8)
Process: 21827 ExecStart=/etc/rc.d/init.d/mysqld start (code=exited, status=1/FAILURE)
May 02 10:00:51 sa-dnca01.zs.local systemd[1]: Starting SYSV: MySQL database server....
May 02 10:00:52 sa-dnca01.zs.local mysqld[21827]: MySQL Daemon failed to start.
May 02 10:00:52 sa-dnca01.zs.local mysqld[21827]: Starting mysqld: [FAILED]
May 02 10:00:52 sa-dnca01.zs.local systemd[1]: mysqld.service: control process exited, code=exited status=1
May 02 10:00:52 sa-dnca01.zs.local systemd[1]: Failed to start SYSV: MySQL database server..
May 02 10:00:52 sa-dnca01.zs.local systemd[1]: Unit mysqld.service entered failed state.
May 02 10:00:52 sa-dnca01.zs.local systemd[1]: mysqld.service failed.
そしてjournalctl -xe私に次のように伝えます：
May 02 10:03:09 sa-dnca01.zs.local polkitd[768]: Registered Authentication Agent for unix-process:22276:29249716 (system bus name :1.30 [/usr/bin/
May 02 10:03:09 sa-dnca01.zs.local systemd[1]: Starting SYSV: MySQL database server....
-- Subject: Unit mysqld.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit mysqld.service has begun starting up.
May 02 10:03:10 sa-dnca01.zs.local mysqld[22281]: MySQL Daemon failed to start.
May 02 10:03:10 sa-dnca01.zs.local mysqld[22281]: Starting mysqld: [FAILED]
May 02 10:03:10 sa-dnca01.zs.local systemd[1]: mysqld.service: control process exited, code=exited status=1
May 02 10:03:10 sa-dnca01.zs.local systemd[1]: Failed to start SYSV: MySQL database server..
-- Subject: Unit mysqld.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit mysqld.service has failed.
--
-- The result is failed.
May 02 10:03:10 sa-dnca01.zs.local systemd[1]: Unit mysqld.service entered failed state.
May 02 10:03:10 sa-dnca01.zs.local systemd[1]: mysqld.service failed.
May 02 10:03:10 sa-dnca01.zs.local polkitd[768]: Unregistered Authentication Agent for unix-process:22276:29249716 (system bus name :1.30, object
これは何を意味するのか分かりませんが、OSがアップグレードされる前にMySQLサーバが正常に動作していました。
/var/run/mysqld
し、それに適切な権限を与えられた：