我已经尝试了 Internet 上的所有解决方案，但我的 MariaDb 服务器继续失败，继续背叛我，继续破坏我小小的 DevOps 世界。我试图缓和这种情况的尝试包括各种满足：更改权限、配置、删除日志文件、升级/重新安装、上下移动她的内部文件、删除其他 DBMS、删除除她之外的所有内容但是......她从来没有抗拒了这么久。我最后也是唯一的希望是你们能在我们关系中的这个关键时刻照亮道路。
我正在使用 vagrant 并且问题在于datadir选项 - 当我使用默认路径时一切正常，但是当我将其更改为 vagrant 共享文件夹时，Maria 甚至没有启动。我已将所有 /var/lib/mysql 文件复制到新文件夹。
我有 Windows 主机，Centos 来宾，我的配置是：
MariaDb 版本：
mysql Ver 15.1 Distrib 10.1.17-MariaDB, for Linux (x86_64) using readline 5.1
流浪档案：
# -*- mode: ruby; -*-
ENV['VAGRANT_DEFAULT_PROVIDER'] = 'virtualbox'
Vagrant.configure("2") do |config|
config.vm.box_url = "https://github.com/tommy-muehle/puppet-vagrant-boxes/releases/download/1.1.0/centos-7.0-x86_64.box"
config.vm.box = "centos7"
config.vm.network "private_network", ip: "10.0.1.10"
config.vm.synced_folder "mysql", "/vagrant/mysql", owner: "mysql", group: "mysql"
config.vm.provider :virtualbox do |vb|
vb.customize ["modifyvm", :id, "--memory", "4096"]
vb.customize ["modifyvm", :id, "--cpus", "4"]
vb.customize ["modifyvm", :id, "--hwvirtex", "on"]
vb.customize ["modifyvm", :id, "--audio", "none"]
vb.customize ["modifyvm", :id, "--nictype1", "virtio"]
vb.customize ["modifyvm", :id, "--nictype2", "virtio"]
end
end
/etc/my.cnf.d/server.cnf：
[mysqld]
user=mysql
datadir=/vagrant/mysql
socket=/var/lib/mysql/mysql.sock
symbolic-links=0
default-storage-engine=innodb
tmpdir = /tmp
character-set-server = utf8
init-connect="SET NAMES utf8"
expire_logs_days=2
skip-external-locking
key_buffer_size = 32M
max_allowed_packet = 32M
table_open_cache = 8192
table_definition_cache = 8192
sort_buffer_size = 16M
net_buffer_length = 16K
read_buffer_size = 8M
read_rnd_buffer_size = 8M
thread_cache_size = 128
thread_concurrency = 16
query_cache_size = 1024M
query_cache_limit = 2M
join_buffer_size = 32M
max_connections = 1024
max_connect_errors = 1024
connect_timeout=5
innodb_file_per_table
innodb_buffer_pool_size=2048M
innodb_read_io_threads=8
innodb_write_io_threads=8
innodb_lock_wait_timeout=5
innodb_flush_log_at_trx_commit=2
innodb_flush_method=O_DSYNC
innodb_log_file_size=64M
innodb_log_buffer_size=32M
innodb_log_files_in_group=2
innodb_thread_concurrency=16
innodb_open_files = 1000
innodb_sync_spin_loops=100
skip-name-resolve
log-error=/var/log/mariadb/mysqld.log
MariaDb 错误日志：
2016-09-30 22:32:46 139758293125248 [Note] InnoDB: Using mutexes to ref count buffer pool pages
2016-09-30 22:32:46 139758293125248 [Note] InnoDB: The InnoDB memory heap is disabled
2016-09-30 22:32:46 139758293125248 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2016-09-30 22:32:46 139758293125248 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2016-09-30 22:32:46 139758293125248 [Note] InnoDB: Compressed tables use zlib 1.2.7
2016-09-30 22:32:46 139758293125248 [Note] InnoDB: Using Linux native AIO
2016-09-30 22:32:46 139758293125248 [Note] InnoDB: Using SSE crc32 instructions
2016-09-30 22:32:46 139758293125248 [Note] InnoDB: Initializing buffer pool, size = 2.0G
2016-09-30 22:32:46 139758293125248 [Note] InnoDB: Completed initialization of buffer pool
2016-09-30 22:32:46 139758293125248 [Note] InnoDB: Highest supported file format is Barracuda.
2016-09-30 22:32:46 139758293125248 [Note] InnoDB: 128 rollback segment(s) are active.
2016-09-30 22:32:46 139758293125248 [Note] InnoDB: Waiting for purge to start
2016-09-30 22:32:46 139758293125248 [Note] InnoDB: Percona XtraDB (http://www.percona.com) 5.6.31-77.0 started; log sequence number 1600799
2016-09-30 22:32:46 139754263774976 [Note] InnoDB: Dumping buffer pool(s) not yet started
2016-09-30 22:32:46 139758293125248 [Note] Plugin 'FEEDBACK' is disabled.
2016-09-30 22:32:46 139758293125248 [ERROR] Can't init tc log
2016-09-30 22:32:46 139758293125248 [ERROR] Aborting
小智 42
我最终删除了 /var/lib/mysql 中的 tc.log 文件。当我再次启动 mysql 时，它创建了一个新的 tc.log 并启动。
sudo rm -f /var/lib/mysql/tc.log
Vil*_*lx- 15
哇哦，我找到了！至少现在是这样。挖掘源代码表明这可能与mmap()调用有关，瞧，VirtualBox 在该区域有一个错误。幸运的是，相同的来源提示了一种解决方法 - log_bin 选项。启用此功能（从命令行 as--log_bin或从配置文件 as log_bin=ON），事情又开始工作了！
他们说他们已经在 VirtualBox 6.0.6 中修复了它！
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