Issue:

When you launch an instance in Newton, you may find that the instance cannot be started due to following error message.

No valid host was found. There are not enough hosts available.

Solution:

1. Edit /etc/nova/nova.conf

2. Change
ram_allocation_ratio to 3.0

3. Restart nova service by invoking

service openstack-nova* restart

RDO Stack: No valid host was found. There are not enough hosts available.的更多相关文章

  1. openstack No valid host was found. There are not enough hosts available.

    root@dell-PowerEdge-T30:~# gedit /var/log/nova/nova-conductor.logroot@dell-PowerEdge-T30:~# gedit /v ...

  2. No valid host was found. There are not enough hosts available-----openstack建虚拟机直接报错

    目录 No valid host was found. There are not enough hosts available-----openstack建虚拟机直接报错 一.问题现象: 二.解决思 ...

  3. No valid host was found. There are not enough hosts available

  4. RDO Stack: Install newton in the dashboard can't create images

    Issue: When you want to create an image in RDO stack newton version, you may encounter following err ...

  5. Does not contain a valid host:port authority: Master:8031 (configuration property 'yarn.resourcemanager.resource-tracker.address')

    问题解决: 这个错误是:yarn里面的配置的格式有错误:如: <property> <name>yarn.resourcemanager.address</name> ...

  6. Does not contain a valid host;port authority解决方法

    ERRORorg.apache.hadoop.hdfs.server.namenode.NameNode: java.lang.IllegalArgumentException: Does not c ...

  7. IllegalArgumentException: Does not contain a valid host:port authority: master:8031

    java.lang.IllegalArgumentException: Does not contain a valid host:port authority: master:8031 (confi ...

  8. RDO Stack Exception: UnboundLocalError: local variable 'logFile' referenced before assignment

    Issue: When you install RDO stack on CentOS, you may encounter following error. Error: [root@localho ...

  9. kettle添加hadoop cluster时报错Caused by: java.lang.IllegalArgumentException: Does not contain a valid host:port authority: hadoop:password@node56:9000

    完整报错是: Caused by: java.lang.IllegalArgumentException: Does not contain a valid host:port authority: ...

随机推荐

  1. Extensions in UWP Community Toolkit - Visual Extensions

    概述 UWP Community Toolkit Extensions 中有一个为可视元素提供的扩展 - VisualExtensions,本篇我们结合代码详细讲解 VisualExtensions ...

  2. JSONObject和JSONArray区别及基本用法

    一.JSONObject和JSONArray的数据表示形式 JSONObject的数据是用 {  } 来表示的, 例如:   { "id" : "123", & ...

  3. ALS音乐推荐（上）

    本篇文章的开头笔者提出一个疑问,何为数据科学,数据科学是做什么的?大家带着这个疑问去读接下来的这篇音乐推荐的公众号. 从经验上讲,推荐引擎属于大规模机器学习,在日常购物中大家或许深有体会,比如:你在淘 ...

  4. Struts支持的contentType

    'ez' => 'application/andrew-inset', 'hqx' => 'application/mac-binhex40', 'cpt' => 'applicat ...

  5. SRM 558 SurroundingGame

    题意: 给定一个网格,每个网格有选取代价和占据收益.每个点被占据,需要满足以下两个条件至少一个条件:1.被选取  2.邻近方格都被选取(有公共边被称为邻近)  不一定要占据所有方格,求最大收益. 输入 ...

  6. [HAOI2007]上升序列

    Description 对于一个给定的S={a1,a2,a3,…,an},若有P={ax1,ax2,ax3,…,axm},满足(x1 < x2 < … < xm)且( ax1 < ...

  7. LOJ #6041. 事情的相似度

    Description 人的一生不仅要靠自我奋斗,还要考虑到历史的行程. 历史的行程可以抽象成一个 01 串,作为一个年纪比较大的人,你希望从历史的行程中获得一些姿势. 你发现在历史的不同时刻,不断的 ...

  8. C++Primer学习——动态内存

    静态内存:用来保存static 栈内存:保存非static 智能指针: shared_ptr:允许多个指针指向一个对象 unique_ptr:独占所指对象 weak_ptr:一种弱引用,指向share ...

  9. POJ 3276 Face The Right Way

    Description Farmer John has arranged his N (1 ≤ N ≤ 5,000) cows in a row and many of them are facing ...

  10. bzoj 3930: [CQOI2015]选数

    Description 我们知道,从区间[L,H](L和H为整数)中选取N个整数,总共有(H-L+1)^N种方案.小z很好奇这样选出的数的最大公约数的规律,他决定对每种方案选出的N个整数都求一次最大公 ...