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Bug 159262

Summary: ISAM tables must first be converted before FC4 upgrade
Product: [Fedora] Fedora Reporter: Benjamin Baez <bbaez>
Component: mysqlAssignee: Tom Lane <tgl>
Status: CLOSED RAWHIDE QA Contact: David Lawrence <dkl>
Severity: high Docs Contact:
Priority: medium    
Version: 4CC: hhorak, redhat-bugs2eran
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Hardware: All   
OS: Linux   
Fixed In Version: Doc Type: Bug Fix
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Last Closed: 2005-07-13 03:37:55 UTC Type: ---
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Description Benjamin Baez 2005-06-01 00:18:29 UTC
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.7) Gecko/20050504 Fedora/1.0.3-4 Firefox/1.0.3

Description of problem:
ISAM seems to no longer be supported in the build of MYSQL 4.  MySQL will not me able to start.  The following error message will be placed in /var/log/mysqld.log

050531 16:49:55 [ERROR] /usr/libexec/mysqld: Can't find file: 'host.MYI' (errno: 2)
050531 16:49:55 [ERROR] Fatal error: Can't open privilege tables: Can't find file: 'host.MYI' (errno: 2)
050531 16:49:55  mysqld ended

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1.Start mysql
2.Read logs


Actual Results:  Mysql fails starting.

Expected Results:  Mysql should start.

Additional info:

Run the following command on your system before upgrading to Fedora Core 4:

/usr/bin/mysql_convert_table_format mysql --user='' --password=''

Comment 1 Benjamin Baez 2005-06-01 00:31:30 UTC
I've been upgrading my system forever, the mysql database dates to July 2000 so
this may be a small percentage of users out there.  Nevertheless, at least there
is a searchable report about it.

Comment 2 redhat-bugs2eran 2005-07-10 13:24:07 UTC
Same problem here: after upgrade to FC4, mysqld cannot start since its
permission tables wrere in the ISAM format.

A solution if you have already upgraded to FC4:

To convert the tables you need to  temporarily downgrade MySQL to a version with
ISAM support. To do so, stop mysqld and all processes accessing it, then
download and install the RPM files from Fedora Core 3:

# rpm --nodeps --oldpackage -Uvh \
  mysql-3.23.58-16.FC3.1.i386.rpm \
  mysql-server-3.23.58-16.FC3.1.i386.rpm \

You may need to add "--nodeps" to override dependency problems (e.g., from

Now, as advised above, run:

$ /usr/bin/mysql_convert_table_format mysql --user='foo' --password='bar'

Repeat this, replacing the "mysql" argument with each of the ISAM databases you
have (look at /var/lib/mysql).

Finally, reinstall the Fedora Core 4 packages:

# yum install mysql mysql-server perl-DBD-MySQL

As you can see this procedure is rather violent, so it's a good idea to back up
your data first.

Comment 3 Tom Lane 2005-07-13 03:37:55 UTC
Apparently the MySQL folk decided that ISAM shouldn't be built by default anymore as of 4.x.  I've re-
enabled it in our latest build (4.1.12-1 and up).  It's probably still a good idea to reconstruct any old 
tables you have, as it's not hard to read the handwriting on the wall ... but we'll hold the line for a little 
while yet.

Comment 4 Tom Lane 2005-11-02 21:50:35 UTC
A note for the archives: as of FC5 we will be using MySQL 5.0, and the ISAM code
isn't there at all any more in 5.0.  Better get those old tables updated.