Re: innodb disabled

[Krishna Chandra Prajapati]

Hi,

Currently error log file is empty. What else can be the reason for disable
innodb.


On Tue, May 6, 2008 at 9:11 AM, Juan Eduardo Moreno <juaneduardomc@stripped>
wrote:

> Hi,
>
> Can you send the error log file of mysql server in your machine?.
>
> Regards,
> Juan
>
>
> On 5/6/08, Krishna Chandra Prajapati <prajapatikc@stripped> wrote:
> >
> > Hi Juan,
> >
> > I have verified directory permissions, its shown below.
> >
> > linux76:~# ls -l /data/mysql/
> > total 535088
> > drwx------ 2 mysql mysql     20480 2008-05-04 23:44 dip
> > -rw-rw---- 1 mysql mysql  10485760 2007-12-23 01:21 ibdata1
> > -rw-rw---- 1 mysql mysql 268435456 2008-01-13 01:17 ib_logfile0
> > -rw-rw---- 1 mysql mysql 268435456 2008-01-13 01:17 ib_logfile1
> > drwx------ 2 mysql root       4096 2008-03-28 02:58 mysql
> >
> > In error log file there is error.
> > debian-sys-maint error
> >
> > The above error come while starting mysql for the first time. Then i
> > have given the permissions for debian sys-maint from  /etc/mysql/debian.cnf.
> > After that restart mysql don't gives any error. still innodb is disabled.
> >
> > Thanks,
> > Prajapati
> >
> > On Tue, May 6, 2008 at 7:03 AM, Juan Eduardo Moreno <
> > juaneduardomc@stripped> wrote:
> >
> > > Hi,
> > >
> > > The InnoDB engine was disable because some ib_log files or Ibdata
> > > files,  InnoDB can´t read. In some cases, could be a directory
> permissions
> > > or some error in creation of ib_logfiles when database is started. If you
> > > want , try to see in the error log file generated in order to see more
> > > details. If you don´t understand nothing in the error log file,
> please send
> > > this errors to the list.
> > >
> > > Regards,
> > > Juan
> > >
> > >
> > >
> > > On Tue, May 6, 2008 at 5:27 AM, Krishna Chandra Prajapati <
> > > prajapatikc@stripped> wrote:
> > >
> > > > Hi all,
> > > >
> > > > I have change the data directory from /var/lib/mysql to /data/mysql
> > > > directory and adding innodb_file_per_table. By doing this innodb
> > > > storage
> > > > engine get dissabled. my.cnf doesn't contains "#skip-innodb". Is
> > > > it's adding
> > > > will enable or not
> > > >
> > > > HOW CAN I ENABLE INNODB
> > > >
> > > > mysql> show engines;
> > > >
> > > >
> +------------+----------+----------------------------------------------------------------+
> > > > | Engine     | Support  |
> > > > Comment                                                        |
> > > >
> > > >
> +------------+----------+----------------------------------------------------------------+
> > > > | MyISAM     | DEFAULT  | Default engine as of MySQL 3.23 with great
> > > > performance         |
> > > > | MEMORY     | YES      | Hash based, stored in memory, useful for
> > > > temporary
> > > > tables      |
> > > > | InnoDB     | DISABLED | Supports transactions, row-level locking,
> > > > and
> > > > foreign keys     |
> > > > | BerkeleyDB | NO       | Supports transactions and page-level
> > > > locking                   |
> > > > | BLACKHOLE  | NO       | /dev/null storage engine (anything you
> > > > write to it
> > > > disappears) |
> > > > | EXAMPLE    | NO       | Example storage
> > > > engine                                         |
> > > > | ARCHIVE    | YES      | Archive storage
> > > > engine                                         |
> > > > | CSV        | YES      | CSV storage
> > > > engine                                             |
> > > > | ndbcluster | DISABLED | Clustered, fault-tolerant, memory-based
> > > > tables                 |
> > > > | FEDERATED  | YES      | Federated MySQL storage
> > > > engine                                 |
> > > > | MRG_MYISAM | YES      | Collection of identical MyISAM
> > > > tables                          |
> > > > | ISAM       | NO       | Obsolete storage
> > > > engine                                        |
> > > >
> > > >
> +------------+----------+----------------------------------------------------------------+
> > > > 12 rows in set (0.00 sec)
> > > >
> > > >
> > > > # /etc/mysql/my.cnf: The global mysql configuration file.
> > > > # $Header:
> > > > /var/cvsroot/gentoo-x86/dev-db/mysql/files/my.cnf-4.1-r1,v 1.3
> > > > 2006/02/01 20:25:56 vivo Exp $
> > > > #
> > > > # $Revision:$
> > > > # $Id:$
> > > >
> > > > # The following options will be passed to all MySQL clients
> > > > [client]
> > > > #password                                       =
> > > > port                                            = 3306
> > > > socket                                          =
> > > > /var/run/mysqld/mysqld.sock
> > > >
> > > > [mysql]
> > > > character-sets-dir=utf8
> > > > default-character-set=utf8
> > > >
> > > > [mysqladmin]
> > > > character-sets-dir=utf8
> > > > default-character-set=utf8
> > > >
> > > > [mysqlcheck]
> > > > character-sets-dir=utf8
> > > > default-character-set=utf8
> > > >
> > > > [mysqldump]
> > > > character-sets-dir=utf8
> > > > default-character-set=utf8
> > > >
> > > > [mysqlimport]
> > > > character-sets-dir=utf8
> > > > default-character-set=utf8
> > > >
> > > > [mysqlshow]
> > > > character-sets-dir=utf8
> > > > default-character-set=utf8
> > > >
> > > > [myisamchk]
> > > > character-sets-dir=utf8
> > > > default-character-set=utf8
> > > >
> > > > [myisampack]
> > > > character-sets-dir=utf8
> > > >
> > > >
> > > > # use [safe_mysqld] with mysql-3
> > > > [mysqld_safe]
> > > > err-log                                         =
> > > > /var/log/mysql/mysql.err
> > > >
> > > > # add a section [mysqld-4.1] or [mysqld-5.0] for specific
> > > > configurations.
> > > > [mysqld]
> > > > old_passwords = false # inserted by debconf
> > > > character-set-server            = utf8
> > > > default-character-set           = utf8
> > > > user                            = mysql
> > > > port                            = 3306
> > > > socket                          = /var/run/mysqld/mysqld.sock
> > > > pid-file                        = /var/run/mysqld/mysqld.pid
> > > > log-error                       = /var/log/mysql/mysqld.err
> > > > basedir                         = /usr
> > > > #datadir                        = /var/lib/mysql
> > > > skip-locking
> > > > #set default_storage_engine=InnoDB
> > > > key_buffer                      = 384M
> > > > max_allowed_packet              = 16M
> > > > table_cache                     = 1024
> > > >
> > > > sort_buffer_size                = 9M
> > > >
> > > > net_buffer_length               = 8K
> > > > read_buffer_size                = 2M
> > > > read_rnd_buffer_size            = 32M
> > > > myisam_sort_buffer_size         = 64M
> > > >
> > > > query_cache_type                = 1
> > > > query_cache_size                = 100M
> > > >
> > > > language                        = /usr/share/mysql/english
> > > >
> > > > set-variable = max_connections=1024
> > > >
> > > > # Begin replication section
> > > > log-bin=/var/db/db05-master-bin.log
> > > > server-id=5
> > > >
> > > > # End replication section
> > > >
> > > > #security:
> > > > #using "localhost" in connects use sockets by default
> > > > #skip-networking
> > > > #bind-address                           = 127.0.0.1
> > > >
> > > > # Point the following paths to different dedicated disks
> > > > tmpdir                          = /tmp/
> > > > #log-update                     =
> > > > /path-to-dedicated-directory/hostname
> > > >
> > > > # you need debug use flag enabled to use this ones.
> > > > # if needed uncomment them, start the server and issue
> > > > # #tail -f /tmp/mysqld.sql /tmp/mysqld.trace
> > > > # this will show you *exactly* what's appening in your server ;)
> > > >
> > > > #log                            = /tmp/mysqld.sql
> > > > #gdb
> > > > #debug                          = d:t:i:o,/tmp/mysqld.trace
> > > > #one-thread
> > > >
> > > > # Uncomment the following if you are using BDB tables
> > > > #bdb_cache_size                 = 4M
> > > > #bdb_max_lock                   = 10000
> > > >
> > > > # The following is the InnoDB configuration
> > > > #
> > > > # the rest of the innodb config follows:
> > > > # don't eat too much memory, we're trying to be safe on 64Mb boxes.
> > > > # you might want to bump this up a bit on boxes with more RAM
> > > > innodb_buffer_pool_size         = 1G
> > > > # this is the default, increase if you have lots of tables
> > > > innodb_additional_mem_pool_size = 128M
> > > > #
> > > > # i'd like to use /var/lib/mysql/innodb, but that is seen as a
> > > > database :-(
> > > > # and upstream wants things to be under /var/lib/mysql/, so that's
> > > > the route
> > > > # we have to take for the moment
> > > > #innodb_data_home_dir           = /var/lib/mysql/
> > > > innodb_data_home_dir            = /data/mysql/
> > > > innodb_log_arch_dir             = /data/mysql/
> > > > innodb_log_group_home_dir       = /data/mysql/
> > > >
> > > > datadir                         = /data/mysql/
> > > > #innodb_file_per_table
> > > >
> > > > # you may wish to change this size to be more suitable for your
> > > > system
> > > > # the max is there to avoid run-away growth on your machine
> > > > innodb_data_file_path           = ibdata1:10M:autoextend
> > > > # we keep this at around 25% of of innodb_buffer_pool_size
> > > > # sensible values range from 1MB to
> > > > (1/innodb_log_files_in_group*innodb_buffer_pool_size)
> > > > innodb_log_file_size            = 256M
> > > > # this is the default, increase if you have very large transactions.
> > > > innodb_log_buffer_size          = 256M
> > > > # this is the default, and won't hurt you.
> > > > # you shouldn't need to tweak it.
> > > > set-variable                    = innodb_log_files_in_group=2
> > > > # see the innodb config docs, the other options are not always safe
> > > > innodb_flush_log_at_trx_commit  = 1
> > > > innodb_lock_wait_timeout        = 50
> > > >
> > > >
> > > > [mysqldump]
> > > > quick
> > > > max_allowed_packet              = 16M
> > > >
> > > > [mysql]
> > > > # Remove the next comment character if you are not familiar with SQL
> > > > #safe-updates
> > > >
> > > > [isamchk]
> > > > key_buffer                      = 20M
> > > > sort_buffer_size                = 20M
> > > > read_buffer                     = 2M
> > > > write_buffer                    = 2M
> > > >
> > > > [myisamchk]
> > > > key_buffer                      = 20M
> > > > sort_buffer_size                = 20M
> > > > read_buffer                     = 2M
> > > > write_buffer                    = 2M
> > > >
> > > > [mysqlhotcopy]
> > > > interactive-timeout
> > > >
> > > > #vim: set tabstop=4 :
> > > > #vim: set shiftwidth=4 :
> > > >
> > > >
> > > > Krishna Chandra Prajapati
> > > >
> > >
> > >
> > >
> >
> >
> >
> > --
> > Krishna Chandra Prajapati
> > MySQL DBA,
> > Ed Ventures e-Learning Pvt.Ltd.
> > 1-8-303/48/15, Sindhi Colony
> > P.G.Road, Secunderabad.
> > Pin Code: 500003
> > Office Number: 040-66489771
> > Mob: [phone]
> > URL: ed-ventures-online.com
> > Email-id: prajapatikc@stripped
> >
>
>


-- 
Krishna Chandra Prajapati
MySQL DBA,
Ed Ventures e-Learning Pvt.Ltd.
1-8-303/48/15, Sindhi Colony
P.G.Road, Secunderabad.
Pin Code: 500003
Office Number: 040-66489771
Mob: [phone]
URL: ed-ventures-online.com
Email-id: prajapatikc@stripped