<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/ITtang</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; ITtang]]></copyright><item><title><![CDATA[cinder delete xx 计时]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/16116459</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/16116459</guid><author>ITtang</author><pubDate>Thu, 14 Nov 2013 14:29:38 +0800</pubDate><description><![CDATA[当前适用openstack f版，使用cinder创建300G块存储，然后删除。

删除300G的块存储需要1.04小时，如果删除1000G那么应该需要3个多小时。

刚删除日志:
2013-11-14 12:57:51 DEBUG cinder.utils [req-78cfb496-f69b-4ff1-8a0f-b2ffdb2621d0 f3e41f4e448a4ca7a9a65eb]]></description><category></category></item><item><title><![CDATA[PXE网络安装自定义配置教程]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/8697400</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/8697400</guid><author>ITtang</author><pubDate>Wed, 20 Mar 2013 17:05:05 +0800</pubDate><description><![CDATA[About the author

Author: Zhang Huangbin (michaelbibby

gmail.com) 
Summary

客户端通过网卡的 PXE 功能，从 DHCP 服务器获取 IP 地址； DHCP 服务器将 '''filename "pxelinux.0";''' 参数中指定的文件(pxelinux.0)推送给客户端； 客户端执行 pxelinu]]></description><category></category></item><item><title><![CDATA[配置noVNC]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/8670012</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/8670012</guid><author>ITtang</author><pubDate>Wed, 13 Mar 2013 19:26:30 +0800</pubDate><description><![CDATA[OPENSTACK ESSEX 2012.2配置noVNC

首先需要安装这三个rpm包





novnc-nova-proxy-0.3-5.el6.noarch.rpm








novnc-0.3-5.el6.noarch.rpm   







python-websockify-0.1.0-3.el6.noarch.rpm]]></description><category></category></item><item><title><![CDATA[yum安装程序时出现的问题]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/8481292</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/8481292</guid><author>ITtang</author><pubDate>Tue, 08 Jan 2013 15:10:36 +0800</pubDate><description><![CDATA[Yum安装问题 

Traceback (most recent call last):
  File "/usr/bin/yum", line 29, in 
    yummain.user_main(sys.argv[1:], exit_code=True)
  File "/usr/share/yum-cli/yummain.py", line 277, in user_main]]></description><category></category></item><item><title><![CDATA[Openstack块迁移步骤]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/8350490</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/8350490</guid><author>ITtang</author><pubDate>Thu, 20 Dec 2012 16:37:02 +0800</pubDate><description><![CDATA[openstack-essex-2012.2
使用命令:nova live-migration 70f4be6a-8812-4538-a313-350c72c9a044 novanc2 --block-migrate --disk-over-commit

块迁移首先拷贝镜像到/var/lib/nova/instance/_base
然后拷贝instance-0000000x到/var/l]]></description><category></category></item><item><title><![CDATA[openstack网络详解]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/8278283</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/8278283</guid><author>ITtang</author><pubDate>Mon, 10 Dec 2012 15:25:33 +0800</pubDate><description><![CDATA[这篇文章基本是参考了http://www.mirantis.com/blog/的几篇英文blog，进过翻译和整理，详细介绍了openstack Essex版的网络模型，虽然在Folsom版启动了Quantum，但并不成熟，如果是部署中没有用到网络高级特性，建议大家还是使用nova-network。
1      Flat
Flat模式和FlatDHCP模式其实区别不大，都是基于网桥网络，只是F]]></description><category></category></item><item><title><![CDATA[Xen Cloud Platform 系列：虚拟机创建]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/7943251</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/7943251</guid><author>ITtang</author><pubDate>Tue, 04 Sep 2012 17:58:38 +0800</pubDate><description><![CDATA[安装好xcp后，可以进入CLI环境，用命令对进行虚拟机的创建和管理。可以参考官方的指导文档。
http://www.xen.org/files/XenCloud/guest.pdf
1. 虚拟机的网络安装
其中有个迅速安装Debian虚拟机的例子，具体的操作过程如下：

1 xe vm-install template=Debian\ Lenny\ 5.0 new-name-label=]]></description><category></category></item><item><title><![CDATA[VMware ESX常用命令 和 IP 地址修改]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/7924493</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/7924493</guid><author>ITtang</author><pubDate>Thu, 30 Aug 2012 11:30:44 +0800</pubDate><description><![CDATA[一． VMware ESX Command
1. 看你的esx版本
vmware –v

2. 查看显示ESX硬件，内核，存储，网络等信息
esxcfg-info -a（显示所有相关的信息）
esxcfg-info -w（显示esx上硬件信息）

3. 列出esx里知道的服务
esxcfg-firewall –s

4. 查看具体服务的情况
esxcfg-firewall]]></description><category></category></item><item><title><![CDATA[install virtualbox for CentOS6.2]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/7834418</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/7834418</guid><author>ITtang</author><pubDate>Mon, 06 Aug 2012 10:44:14 +0800</pubDate><description><![CDATA[cd /etc/yum.repos.d/
wget http://download.virtualbox.org/virtualbox/rpm/rhel/virtualbox.repo
yum install VirtualBox-4.1yum install make gcc kernel-headers kernel-deve
KERN_DIR=/usr/src/kernels/2.6.]]></description><category></category></item><item><title><![CDATA[xm command]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/7783746</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/7783746</guid><author>ITtang</author><pubDate>Wed, 25 Jul 2012 10:57:20 +0800</pubDate><description><![CDATA[RHEL5 提供 xm command 給使用者操作 Xen Guest,下面介紹一些常見的使用方式!

1.xm list
xm list 是看目前正在動作的 Guest.



[root@benjr ~]#
xm list
Name                                      ID Mem(MiB) VCPUs State   Time(s)]]></description><category></category></item><item><title><![CDATA[Xen工作原理]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/7713859</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/7713859</guid><author>ITtang</author><pubDate>Wed, 04 Jul 2012 09:07:41 +0800</pubDate><description><![CDATA[此文转载他人翻译，原地址:http://www.cnblogs.com/debugger87/archive/2012/03/07/2383615.html

执行摘要
本文档涵盖了Xen Hypervisor的高层架构概要视图，及其用于支持完整虚拟环境的相关工具和应用。
该架构文档基于Xen 3.4 发行版，仅仅介绍了Xen的整体架构。更多的完整架构描述，请参考http://wiki.x]]></description><category></category></item><item><title><![CDATA[openstack代码分析]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/7680360</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/7680360</guid><author>ITtang</author><pubDate>Wed, 20 Jun 2012 16:59:31 +0800</pubDate><description><![CDATA[以下已创建虚拟机为题目对openstack进行通透性代码分析，写得简陋望各位手下留情


  1.发起ec2命令(nova/api/ec2/__init__.py)
  

  2.执行方法__call__解析URL发送参数
  

  3.执行/nova/api/ec2/apirequest.py:apirequest.invoke，这里有一个ec2动作解析,如RunInsta]]></description><category></category></item><item><title><![CDATA[Openstack动态迁移功能]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/7676833</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/7676833</guid><author>ITtang</author><pubDate>Tue, 19 Jun 2012 15:44:17 +0800</pubDate><description><![CDATA[openstack使用的是块迁移，因为没有共享存储只能做块迁移，同时openstack也支持共享迁移，共享迁移只能在有共享存储的情况下才被使用。
执行迁移动动作:
1.首先会去检查目标物理服务器是否有足够的内存，虚拟CPU，磁盘，磁盘大小必须大于当前所要迁移的虚拟机磁盘大小
2.同步文件到目标物理服务器 rsync -rS /var/.../vmdir  nova9x:/var/.../vm]]></description><category></category></item><item><title><![CDATA[openstack快照制作动作]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/7676771</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/7676771</guid><author>ITtang</author><pubDate>Tue, 19 Jun 2012 15:29:31 +0800</pubDate><description><![CDATA[制作快照使用xen管理命令和qemu-img来做的，前台发起一个动作，后台执行一个写入执行快照命令的shell脚本
创建快照有三步：
  1.xm save vm vmpath/state.snapshot.snapshot_id
  2.qemu-img snapshot -c snapshot.snapshot_id vmpath/disk
  3.xm restore vmpath/]]></description><category></category></item><item><title><![CDATA[使用openstack遇到的问题]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/7597990</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/7597990</guid><author>ITtang</author><pubDate>Thu, 24 May 2012 13:06:54 +0800</pubDate><description><![CDATA[openstack的相关包：
First you have to import several GPG public keys:
rpm –import http://download.opensuse.org/repositories/isv:/B1-Systems:/OpenStack:/release:/Essex/SLE_11_SP2/repodata/repomd.xml.key]]></description><category></category></item><item><title><![CDATA[DHCP服务安装问题解答]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/7554402</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/7554402</guid><author>ITtang</author><pubDate>Thu, 10 May 2012 16:21:33 +0800</pubDate><description><![CDATA[[root@icloud bin]# /etc/init.d/dhcpd restart
正在启动 dhcpd：                                           [失败]
查看/var/log/message

May 10 15:10:13 icloud dhcpd: Internet Systems Consortium DHCP Server 4.]]></description><category></category></item><item><title><![CDATA[PXE网络安装Linux]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/7531231</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/7531231</guid><author>ITtang</author><pubDate>Thu, 03 May 2012 13:37:25 +0800</pubDate><description><![CDATA[原创作品，允许转载，转载时请务必以超链接形式标明文章 
原始出处 、作者信息和本声明。否则将追究法律责任。http://qiulove.blog.51cto.com/516754/143559

        PXE(preboot execute environment)是由Intel公司开发的最新技术,工作于Client/Server的网络模式，支持工作站通过网络从远端服务器下载映像，]]></description><category></category></item><item><title><![CDATA[设置Xen的VNC访问密码]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/7496623</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/7496623</guid><author>ITtang</author><pubDate>Wed, 25 Apr 2012 10:06:11 +0800</pubDate><description><![CDATA[#vi /etc/xen/xend-config.sxp

编辑下列内容（请根据自己情况修改）：
(vnc-listen '192.168.0.xxx')
(vncpasswd 'password')
此处的修改也可以在对应客户端的文件中修改。

重启计算机或重启xend服务]]></description><category></category></item><item><title><![CDATA[为什么raw转成qcow2]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/7448131</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/7448131</guid><author>ITtang</author><pubDate>Wed, 11 Apr 2012 09:22:28 +0800</pubDate><description><![CDATA[以基礎硬像檔建立多個虛擬機器, 以基礎映像檔所衍生出來的虛擬機器只會寫入差異資料 將 raw 格式的虛擬硬碟轉成 qcow2 格式, 並加以壓縮來節省 VM Host 硬碟空間raw 改用 qcow2 的好處: 可 snapshotide 改用 virtio 的好處: 可熱插拔http://jamyy.dyndns.org/blog/2012/02/3594.html]]></description><category></category></item><item><title><![CDATA[Openstack安全组security group设置]]></title><link>https://blog.youkuaiyun.com/ITtang/article/details/7392637</link><guid>https://blog.youkuaiyun.com/ITtang/article/details/7392637</guid><author>ITtang</author><pubDate>Sun, 25 Mar 2012 19:05:35 +0800</pubDate><description><![CDATA[装完Openstack的Dashbaord。最大的问题，就是创建的虚拟机无法登陆。
如何登陆，访问虚拟机。这里面其实和你常规不太一样。
你首先需要设置安全组]]></description><category></category></item></channel></rss>