cacti 錯誤 ERROR: SQL Assoc Failed!, Error:\'145\'

錯誤描述：打開cacti監控，發現已經運行的轉碼機不產生流量，即cacti監控所顯示已經運行的轉碼機爲宕機，查看cacti日誌發現error，查資料解決此問題、

cacit監控無數據了，查看日誌：

2014年05月03日 09:05:51 AM - CMDPHP: Poller[0] ERROR: A DB Exec Failed!, Error:'145', SQL:"INSERT INTO `cacti`.`syslog_hosts` (host) (SELECT DISTINCT host FROM `cacti`.`syslog_incoming`) ON DUPLICATE KEY UPDATE host=VALUES(host), last_updated=NOW()'

2014年05月03日 09:05:51 AM - CMDPHP: Poller[0] ERROR: A DB Exec Failed!, Error:'145', SQL:"DELETE FROM `cacti`.`syslog_incoming` WHERE status=90'

2014年05月03日 09:05:51 AM - CMDPHP: Poller[0] ERROR: A DB Exec Failed!, Error:'145', SQL:"INSERT INTO `cacti`.`syslog` (logtime, priority_id, facility_id, host_id, message) SELECT TIMESTAMP(`date`, `time`), priority_id, facility_id, host_id, message FROM (SELECT date, time, priority_id, facility_id, host_id, message FROM syslog_incoming AS si INNER JOIN syslog_facilities AS sf ON sf.facility=si.facility INNER JOIN syslog_priorities AS sp ON sp.priority=si.priority INNER JOIN syslog_hosts AS sh ON sh.host=si.host WHERE status=90) AS merge'

查mysql日誌：

140504 12:20:45 [ERROR] /usr/libexec/mysqld: Table './cacti/syslog_incoming' is marked as crashed and should be repaired
140504 12:20:45 [ERROR] /usr/libexec/mysqld: Table './cacti/syslog_incoming' is marked as crashed and should be repaired
140504 12:22:00 [ERROR] /usr/libexec/mysqld: Table './cacti/syslog_incoming' is marked as crashed and should be repaired
140504 12:22:00 [ERROR] /usr/libexec/mysqld: Table './cacti/syslog_incoming' is marked as crashed and should be repaired

#連接損壞表所在的數據庫：

mysql> use cacti;

Database changed

# REPAIR TABLE修復數據表

mysql> REPAIR TABLE poller_item;

+——————-+——–+———-+———-+

| Table             | Op     | Msg_type | Msg_text |

+——————-+——–+———-+———-+

| cacti.poller_item | repair | status   | OK
|

+——————-+——–+———-+———-+

1 row in set (0.02 sec)

mysql>

修復成功。

如果修復失敗，可以嘗試用USE_FRM選項，例：

mysql> REPAIR TABLE poller_item USE_FRM;

由於表數量比較多，使用腳本進行檢查和修復

#!/bin/bash

#This script used by repair tables
mysql_host=localhost
mysql_user=root

database=cacti
tables=$(mysql -h$mysql_host -u$mysql_user $database -A -Bse "show tables")
for arg in $tables
do
check_status=$(mysql -h$mysql_host -u$mysql_user $database -A -Bse "check table $arg" | awk '{ print $4 }')
if [ "$check_status" = "OK" ]
then
echo "$arg is ok"
else
echo $(mysql -h$mysql_host -u$mysql_user $database -A -Bse "repair table $arg")
fi
echo $(mysql -h$mysql_host -u$mysql_user $database -A -Bse "optimize table $arg")
done