前提

計算節點中一個僵尸計算節點存在，而里面的CPU數目在總物理CPU中，導致認為當前能創建實例。而實際沒有這么多資源。

其中node-11為僵尸節點。

原因

刪除計算節點不能直接格式化該服務器，否則在控制節點的數據庫上會存在該計算節點的數據。

解決辦法

參考http://www-01.ibm.com/support/knowledgecenter/SS4KMC_2.3.0/com.ibm.sco.doc_2.3/t_remove_computenode.html [root@node-9 ~]# mysql Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 688589 Server version: 5.5.28 MySQL Community Server (GPL), wsrep_23.7.rXXXXCopyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> use nova; Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -ADatabase changed mysql> delete from compute_node_stats where compute_node_id in-> (select id from compute_nodes -> where hypervisor_hostname='node-11.domain.tld')-> delete from compute_nodes where hypervisor_hostname='node-11.domain.tld' -> delete from services where host='node-11.domain.tld'; ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'delete from compute_nodes where hypervisor_hostname='node-11.domain.tld' delete' at line 4 mysql> delete from compute_node_stats where compute_node_id in (select id from compute_nodes where hypervisor_hostname='node-11.domain.tld'); Query OK, 0 rows affected (0.03 sec)mysql> delete from compute_nodes where hypervisor_hostname='node-11.domain.tld'; Query OK, 1 row affected (0.06 sec)mysql> delete from services where host='node-11.domain.tld'; Query OK, 2 rows affected (0.01 sec)mysql>

結果：?

轉載于:https://www.cnblogs.com/CLTANG/p/4332616.html

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