CactiEZ異常關機重啓後，主機鑑控的內存、cpu、硬盤空間等無數據顯示，爲主機添加的閾值全部消失。
查看日誌
[root@CactiEZ ~]# tail -f /var/log/mysqld.log
130410 10:58:35 [ERROR] /usr/libexec/mysqld: Table './cacti/poller_item' is marked as crashed and should be repaired
130410 10:58:36 [ERROR] /usr/libexec/mysqld: Table './cacti/poller_item' is marked as crashed and should be repaired
130410 10:58:37 [ERROR] /usr/libexec/mysqld: Table './cacti/poller_item' is marked as crashed and should be repaired
修復出問題的表
[root@CactiEZ /]# myisamchk -c -r /var/lib/mysql/cacti/poller_item.MYI
- recovering (with sort) MyISAM-table '/var/lib/mysql/cacti/poller_item.MYI'
Data records: 707
- Fixing index 1
Wrong bytesec: 0- 0- 0 at 137228; Skipped
Wrong bytesec: 0- 0- 0 at 137228; Skipped
Wrong bytesec: 0- 0- 0 at 137228; Skipped
Wrong bytesec: 0- 0- 0 at 137228; Skipped
- Fixing index 2
- Fixing index 3
- Fixing index 4
- Fixing index 5
Data records: 691
修復完成後等待幾分鐘，查看圖形的數據可以正常顯示了，但閾值項目還是空的，再次查看日誌。
[root@CactiEZ ~]# tail -f /var/log/mysqld.log
130410 13:05:48 [ERROR] /usr/libexec/mysqld: Table './cacti/thold_data' is marked as crashed and should be repaired
130410 13:05:50 [ERROR] /usr/libexec/mysqld: Table './cacti/thold_data' is marked as crashed and should be repaired
130410 13:05:59 [ERROR] /usr/libexec/mysqld: Table './cacti/thold_data' is marked as crashed and should be repaired
130410 13:06:02 [ERROR] /usr/libexec/mysqld: Table './cacti/thold_data' is marked as crashed and should be repaired
再次修復出問題的表
[root@CactiEZ ~]# myisamchk -c -r /var/lib/mysql/cacti/thold_data.MYI
- recovering (with sort) MyISAM-table '/var/lib/mysql/cacti/thold_data.MYI'
Data records: 111
- Fixing index 1
Wrong block with wrong total length starting at 580
Wrong block with wrong total length starting at 1776
Wrong block with wrong total length starting at 2740
Wrong block with wrong total length starting at 2936
Wrong block with wrong total length starting at 4032
Wrong block with wrong total length starting at 10072
Found block with too small length at 11544; Skipped
Found block with too small length at 14676; Skipped
Found block with too small length at 21632; Skipped
Found block with too small length at 21772; Skipped
- Fixing index 2
- Fixing index 3
- Fixing index 4
- Fixing index 5
- Fixing index 6
- Fixing index 7
- Fixing index 8
- Fixing index 9
Data records: 102
修改完成後，從系統裏可以看到閾值的項目全部回來了。
