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55
votes
17answers
62k views

`mysql_upgrade` is failing with no real reason given

I'm upgrading from MySQL 5.1 to 5.5, running mysql_upgrade and getting this output: # mysql_upgrade Looking for 'mysql' as: mysql Looking for 'mysqlcheck' as: mysqlcheck FATAL ERROR: Upgrade failed ...
2
votes
1answer
936 views

Changing MySQL datadir on active server

I have a server that seems to be setup wrong by previous administrator.. The server has two disks, disk 0 which is the operating system (RAID1 clone) disk 1 which is 3 drives in a RAID5 setup with ...
1
vote
3answers
902 views

MySQL query cache is enabled but not being used

I've checked the query cache is enabled mysql> SHOW VARIABLES LIKE 'have_query_cache'; +------------------+-------+ | Variable_name | Value | +------------------+-------+ | have_query_cache | ...