http://tsmith.co/2011/creating-a-nested-esxi-5-environment/ http://tsmith.co/2012/vsphere-5-1-lab-nested-esxi-5-1/ vSphere 5.1 Lab – Nested ESXi 5.1 Now that I've got some shared storage setup for the lab environment, it's time to get some ESXi 5.1 h…

这次笔者需要面对的环境对时间的同步有比较高的要求, 而虚拟化的环境中时间是比较容易出问题的, 您可以参考上一篇博文为什么Domain controller上的time synchronization非常重要? 笔者的环境里, 经过亲自观察, 如果没有时间同步, 虚拟机与标准时间差距在短短的两个小时之内竟然就偏差了近半个小时!   按照VMware KB 1003063的说法, ESXi 5.5只要在vCenter的vSphere里配好NTP client就可以了. Note: For ESX 3…

Using LACP with a vSphere Distributed Switch 5.1 by Chris Wahl on Oct 15th, 2012 | 6,347 views One of the more exciting and eagerly anticipated announcements in vSphere 5.1 (at least for me) were all the distributed switch enhancements. Among the new…

https://www.simple-talk.com/sysadmin/virtualization/vmware-lab-setup---a-virtualized-lab-for-testing-ha-and-drs/ VMware vSphere offers some extremely powerful virtualization technology for businesses and enterprises to use. If you are still new to th…

什么是环境? http://www.lua.org/manual/5.1/manual.html#2.9 Besides metatables, objects of types thread, function, and userdata have another table associated with them, called their environment. Like metatables, environments are regular tables and multiple…

参考文档:http://www.hyper-v.nu/archives/marcve/2013/01/lbfo-hyper-v-switch-qos-and-actual-performance-part-1/ EtherChannel Negotiation An EtherChannel can be established using one of three mechanisms: PAgP - Cisco's proprietary negotiation protocol LACP…

http://www.poppingclouds.com/2012/12/20/to-lacp-or-not-to-lacp-on-a-5-1-vds-2/ I have been recently mulling over the potential benefit of LACP in some of our environments. I want to discuss how LACP is implemented in vSphere, its limitations, and the…

1. Parsing XML 1.1. XmlParser and XmlSlurper The most commonly used approach for parsing XML with Groovy is to use one of: groovy.util.XmlParser groovy.util.XmlSlurper Both have the same approach to parse an xml. Both come with a bunch of overloaded…

1. Class Variable/Static Variable: Class variable is also known as static variable with "static" keyword inside the class but outside the methods. There is only one copy of class variable is no matter how many objects are initiated from this cla…

转自http://coolshell.cn/articles/3512.html 在http://www.viva64.com/en/l/上例出了28个在64位平台上使用C/C++开发的注意事项,对于进入64位时代的程序员应该去看看这28个事项, 相信对大家一点有帮助. Lesson 01. What 64-bit systems are. Lesson 02. Support of 32-bit applications. Lesson 03. Porting code to 64-bit s…