錯誤描述:打開cacti監控,發現已經運作的轉碼機不産生流量,即cacti監控所顯示已經運作的轉碼機為當機,檢視cacti日志發現error,查資料解決此問題、
cacit監控無資料了,檢視日志:
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日志:
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
#連接配接損壞表所在的資料庫:
mysql> use cacti;
Database changed
# REPAIR TABLE修複資料表
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>
修複成功。
如果修複失敗,可以嘗試用USE_FRM選項,例:
mysql> REPAIR TABLE poller_item USE_FRM;
由于表數量比較多,使用腳本進行檢查和修複
#!/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
本文轉自crazy_charles 51CTO部落格,原文連結:http://blog.51cto.com/douya/1405653,如需轉載請自行聯系原作者