 Re: innodb disabled
Thanks a lot to all of you.
On Wed, May 7, 2008 at 8:51 PM, Srini <srini@geekcrossing.net> wrote:
> It could be the problem with permissions or sizes of iblog or ibdata files
>
> Can you try this back up the iblog and ibdata files and move it to some
> other location from /data/mysql
> and restart mysql to see if it shows innodb up on show engines, by doing
> this atleast u can isolate the
> problem is not with iblog or ibdata files
>
> -srini
>
>
> Krishna Chandra Prajapati wrote:
>
> > Hi,
> >
> > What ever you have written i did the same thing, Yet innodb get
> > disabled,
> >
> >
> > On Tue, May 6, 2008 at 11:24 AM, Rolando Edwards <
> > redwards@logicworks.net>
> > wrote:
> >
> >
> >
> > > If you just created the /data/mysql folder and moved the ib* files to
> > > that
> > > folder from /var/lib/mysql, you may have to contend with the internal
> > > data
> > > dictionary with ibdata1.
> > >
> > > You do the following:
> > >
> > > 1) Put the mysql data back into /var/lib/mysql
> > > 2) Configure my.cnf to set datadir=/var/lib/mysql
> > > 3) Restart mysqld
> > >
> > > Once you put it back the way it was, then
> > >
> > > 4) mysqldump -h... -u... -p... --single-transaction --all-databases
> > > --routines --triggers > AllData.sql
> > > 5) Make /data/mysql TOTALLY EMPTY.
> > > 6) Configure my.cnf to set datadir=/data/mysql
> > > 7) Restart mysqld
> > >
> > > At this point, mysqld will regenerate a new ibdata1 file with a clean
> > > internal data dictionary.
> > >
> > > 8) mysql -h... -u... -p... < AllData.sql
> > >
> > > All data get put into this new data folder and will reload the
> > > internal
> > > data dictionary elements pertaining to its new location.
> > >
> > > Moving MyISAM is simple. Moving InnoDB is a little more work but doing
> > > it
> > > this way ensures ibdata1 is in a proper state.
> > >
> > > -----Original Message-----
> > > From: Juan Eduardo Moreno [mailto:juaneduardomc@gmail.com]
> > > Sent: Tuesday, May 06, 2008 9:12 AM
> > > To: Krishna Chandra Prajapati
> > > Cc: mysql
> > > Subject: Re: innodb disabled
> > >
> > > Hi,
> > >
> > > Can you send the error log file of mysql server in your machine?.
> > >
> > > Regards,
> > > Juan
> > >
> > >
> > > On 5/6/08, Krishna Chandra Prajapati <prajapatikc@gmail.com> 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@gmail.com> wrote:
> > > >
> > > >
> > > >
> > > > > Hi,
> > > > >
> > > > > The InnoDB engine was disable because some ib_log files or Ibdata
> > > > > files, InnoDB canīt 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 donīt 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@gmail.com> 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 ,/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: 9912924044
> > > > URL: ed-ventures-online.com
> > > > Email-id: prajapatikc@gmail.com
> > > >
> > > >
> > > >
> > >
> >
> >
> >
> >
>
>
--
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: 9912924044
URL: ed-ventures-online.com
Email-id: prajapatikc@gmail.com  |