When you migrate physical corresponding instance file mysql database data directory, authorized account, suggesting that "mysql error in Table is read only" operation update statement.
The database server environment,
the database started a user group: mysql
database launching user: mysql
database data directory: / home / data / mysql
Solution:
chown -R mysql.mysql / Home / data / MySQL
chmod -R 755 / Home / data / MySQL
# # mysqladmin command to find the path ##
the find / -name mysqladmin
## ## default port 3306
/ usr / local / MySQL / bin / mysqladmin -u root -p-flush the Tables
## non-default port 3306, such as 3307 ##
/ usr / local / mysql / bin / mysqladmin -u root -p -P3307 flush-tables
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