mysqldを起動できません

Aug 24 2020

mysqlを起動しようとすると、次のようになります。

$ sudo systemctl start mysqld Job for mariadb.service failed because the control process exited with error code. See "systemctl status mariadb.service" and "journalctl -xe" for details. [pi@raspi ~]$ systemctl status mysqld
* mariadb.service - MariaDB 10.5.5 database server
     Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled; vendor preset: disabled)
     Active: failed (Result: exit-code) since Sun 2020-08-23 08:34:44 PDT; 9s ago
       Docs: man:mariadbd(8)
             https://mariadb.com/kb/en/library/systemd/
    Process: 466 ExecStartPre=/bin/sh -c systemctl unset-environment _WSREP_START_POSITION (code=exited, status=0/SUCCESS)
    Process: 467 ExecStartPre=/bin/sh -c [ ! -e /usr/bin/galera_recovery ] && VAR= ||   VAR=`cd /usr/bin/..; /usr/bin/galera_recovery`; [ $? -eq 0 ] && systemctl set-environment _WSREP_START_POSITION=$VAR || exit 1 (code=exited, status=0/S>
    Process: 479 ExecStart=/usr/bin/mariadbd $MYSQLD_OPTS $_WSREP_NEW_CLUSTER $_WSREP_START_POSITION (code=exited, status=1/FAILURE)
   Main PID: 479 (code=exited, status=1/FAILURE)
     Status: "MariaDB server is down"

Aug 23 08:34:44 raspi mariadbd[479]: 2020-08-23  8:34:44 0 [ERROR] InnoDB: Upgrade after a crash is not supported. The redo log was created with MariaDB 10.4.14.
Aug 23 08:34:44 raspi mariadbd[479]: 2020-08-23  8:34:44 0 [ERROR] InnoDB: Plugin initialization aborted with error Generic error
Aug 23 08:34:44 raspi mariadbd[479]: 2020-08-23  8:34:44 0 [Note] InnoDB: Starting shutdown...
Aug 23 08:34:44 raspi mariadbd[479]: 2020-08-23  8:34:44 0 [ERROR] Plugin 'InnoDB' init function returned error.
Aug 23 08:34:44 raspi mariadbd[479]: 2020-08-23  8:34:44 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
Aug 23 08:34:44 raspi mariadbd[479]: 2020-08-23  8:34:44 0 [ERROR] Unknown/unsupported storage engine: InnoDB
Aug 23 08:34:44 raspi mariadbd[479]: 2020-08-23  8:34:44 0 [ERROR] Aborting
Aug 23 08:34:44 raspi systemd[1]: mariadb.service: Main process exited, code=exited, status=1/FAILURE
Aug 23 08:34:44 raspi systemd[1]: mariadb.service: Failed with result 'exit-code'.
Aug 23 08:34:44 raspi systemd[1]: Failed to start MariaDB 10.5.5 database server.
lines 1-21/21 (END)

私はからすべての情報が表示されないsyslog-ng/var/log/messages.log....どちらか

何が起こっているのかわかりませんが、誰かがこれを手伝ってくれますか?:o

@tetechが提案したように、mariadbパッケージの以前のバージョンにダウングレードする必要があります。だから私は試しました:

[pi@raspi pkg]$ sudo pacman -U /var/cache/pacman/pkg/mariadb-10.4.14-1-aarch64.pkg.tar.xz 
[sudo] password for pi: 
loading packages...
warning: downgrading package mariadb (10.5.5-1 => 10.4.14-1)
resolving dependencies...
warning: cannot resolve "mariadb-clients=10.4.14", a dependency of "mariadb"
:: The following package cannot be upgraded due to unresolvable dependencies:
      mariadb

:: Do you want to skip the above package for this upgrade? [y/N] n
error: failed to prepare transaction (could not satisfy dependencies)
:: unable to satisfy dependency 'mariadb-clients=10.4.14' required by mariadb
[pi@raspi pkg]$ sudo pacman -U /var/cache/pacman/pkg/mariadb-clients-10.4.14-1-aarch64.pkg.tar.xz loading packages... warning: downgrading package mariadb-clients (10.5.5-1 => 10.4.14-1) resolving dependencies... warning: cannot resolve "mariadb-libs=10.4.14", a dependency of "mariadb-clients" :: The following package cannot be upgraded due to unresolvable dependencies: mariadb-clients :: Do you want to skip the above package for this upgrade? [y/N] error: failed to prepare transaction (could not satisfy dependencies) :: unable to satisfy dependency 'mariadb-libs=10.4.14' required by mariadb-clients [pi@raspi pkg]$ sudo pacman -U /var/cache/pacman/pkg/mariadb-libs-10.4.14-1-aarch64.pkg.tar.xz    
loading packages...
warning: downgrading package mariadb-libs (10.5.5-1 => 10.4.14-1)
resolving dependencies...
looking for conflicting packages...
error: failed to prepare transaction (could not satisfy dependencies)
:: installing mariadb-libs (10.4.14-1) breaks dependency 'mariadb-libs=10.5.5' required by mariadb-clients
[pi@raspi pkg]$ sudo pacman -U /var/cache/pacman/pkg/mariadb-clients-10.4.14-1-aarch64.pkg.tar.xz 
loading packages...
warning: downgrading package mariadb-clients (10.5.5-1 => 10.4.14-1)
resolving dependencies...
warning: cannot resolve "mariadb-libs=10.4.14", a dependency of "mariadb-clients"
:: The following package cannot be upgraded due to unresolvable dependencies:
      mariadb-clients

:: Do you want to skip the above package for this upgrade? [y/N] 
error: failed to prepare transaction (could not satisfy dependencies)
:: unable to satisfy dependency 'mariadb-libs=10.4.14' required by mariadb-clients

しかし、それmariadb-libsは不平を言っているようでありmariadb-clients、逆もまた同様です。nmをダウングレードするにはどうすればよいですか?代わりに、データベースを再初期化する方が簡単かもしれないと今考えています。

回答

1 tater Aug 23 2020 at 22:52

注目すべきエラーは InnoDB: Upgrade after a crash is not supported. The redo log was created with MariaDB 10.4.14.

DBを適切に停止してから、アップグレードしていないようです。

10.4.14にダウングレードしてリカバリを実行するか、アップグレードする前に作成したバックアップを再初期化してから復元する必要があります。

1 Dr-Bracket Aug 26 2020 at 22:54

Manjaro Linuxでの私の解決策はsudo pacman -s downgrade、実行することでした

downgrade mariadb-libs mariadb-clients mariadb

ダウングレードでは、ダウングレードするバージョンも選択できます。超簡単で、魅力のように機能しました。

BitFreak Aug 25 2020 at 03:29

mysqlサーバーをダウングレードするための解決策は次のとおりです。

$ sudo pacman -U /var/cache/pacman/pkg/mariadb-clients-10.4.14-1-aarch64.pkg.tar.xz /var/cache/pacman/pkg/mariadb-libs-10.4.14-1-aarch64.pkg.tar.xz /var/cache/pacman/pkg/mariadb-10.4.14-1-aarch64.pkg.tar.xz

この後、MySqlサーバーを正常に再起動できたので、今すぐ適切にアップグレードする方法を検討する必要があります。