錯誤安裝之后沒有圖像，進入rra目錄發現根本沒有生成rra文件，而且rra目錄的權限是正確的。

那么php poller.php根本就沒有生效，google了以下，老外建議使用debug查看原因

/usr/local/php5/bin/php -q /usr/share/cacti/poller.php --force --debug

我這里的報錯是

PHP Warning: ?PHP Startup: Unable to load dynamic library '/etc/php.d/dbase.so' - /etc/php.d/dbase.so: cannot open shared object file: No such file or directory in Unknown on line 0

PHP Warning: ?PHP Startup: Unable to load dynamic library '/etc/php.d/mysql.so' - /etc/php.d/mysql.so: cannot open shared object file: No such file or directory in Unknown on line 0

PHP Warning: ?PHP Startup: Unable to load dynamic library '/etc/php.d/mysqli.so' - /etc/php.d/mysqli.so: cannot open shared object file: No such file or directory in Unknown on line 0

PHP Warning: ?PHP Startup: Unable to load dynamic library '/etc/php.d/pdo.so' - /etc/php.d/pdo.so: cannot open shared object file: No such file or directory in Unknown on line 0

PHP Warning: ?PHP Startup: Unable to load dynamic library '/etc/php.d/pdo_mysql.so' - /etc/php.d/pdo_mysql.so: cannot open shared object file: No such file or directory in Unknown on line 0

PHP Warning: ?PHP Startup: Unable to load dynamic library '/etc/php.d/pdo_sqlite.so' - /etc/php.d/pdo_sqlite.so: cannot open shared object file: No such file or directory in Unknown on line 0

PHP Warning: ?PHP Startup: Unable to load dynamic library '/etc/php.d/snmp.so' - /etc/php.d/snmp.so: cannot open shared object file: No such file or directory in Unknown on line 0

08/10/2011 03:56:30 PM - POLLER: Poller[0] DEBUG: About to Spawn a Remote Process [CMD: /usr/bin/php, ARGS: -q "/usr/share/cacti/cmd.php" 1 1]

PHP Warning: ?PHP Startup: Unable to load dynamic library '/etc/php.d/dbase.so' - /etc/php.d/dbase.so: cannot open shared object file: No such file or directory in Unknown on line 0

PHP Warning: ?PHP Startup: Unable to load dynamic library '/etc/php.d/mysql.so' - /etc/php.d/mysql.so: cannot open shared object file: No such file or directory in Unknown on line 0

PHP Warning: ?PHP Startup: Unable to load dynamic library '/etc/php.d/mysqli.so' - /etc/php.d/mysqli.so: cannot open shared object file: No such file or directory in Unknown on line 0

PHP Warning: ?PHP Startup: Unable to load dynamic library '/etc/php.d/pdo.so' - /etc/php.d/pdo.so: cannot open shared object file: No such file or directory in Unknown on line 0

PHP Warning: ?PHP Startup: Unable to load dynamic library '/etc/php.d/pdo_mysql.so' - /etc/php.d/pdo_mysql.so: cannot open shared object file: No such file or directory in Unknown on line 0

PHP Warning: ?PHP Startup: Unable to load dynamic library '/etc/php.d/pdo_sqlite.so' - /etc/php.d/pdo_sqlite.so: cannot open shared object file: No such file or directory in Unknown on line 0

PHP Warning: ?PHP Startup: Unable to load dynamic library '/etc/php.d/snmp.so' - /etc/php.d/snmp.so: cannot open shared object file: No such file or directory in Unknown on line 0

證明php的so文件沒有加載成功。我將/usr/lib64/php/modules下的文件全部拷貝到了/etc/php.d下就可以使用了

總結

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