Welcome to my Blog
Only just set up this blog but hope over the coming weeks and months to upload how to build VXLAN/vCNS and vCloud labs on VMware Workstation. I will also put up examples of how to do packet captures to...
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Simple VXLAN lab on Workstation viewing traffic with Wireshark Part - 2
Now that we have captured an ARP request that has been encapsulated in multicast by VXLAN we will now use the same option in Wireshark to decode the VXLAN packet. This shows the same VXLAN header and...
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Simple VXLAN lab on Workstation viewing traffic with Wireshark Part - 1
My 1st lab I'm blogging shows how you can setup a simple virtual lab to create VXLAN's on then use wireshark to view the VXLAN traffic and peek inside the VXLAN traffic by decoding the packets. On my...
View ArticleX-vMotionと呼ばないで
vSphere 5.1 からのvMotionについて、シビれる記事を見つけました。 vMotion without shared storage requirement, does it have a...
View ArticlevFredag 23/11 - 2012 Vi har fokus på Storage, nu med gæstetaler
Denne uges vFredag har fokus på storage.Vi får besøg af Cormac Hogan fra vores Technical Marketing, og han ved en ting eller to om storage.Cormac vil præsentere et par af de storage tech previews der...
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Part 25: My vCloud Journey Journal - Adding an Organization with Secure LDAP
A while back I wrote about my plans for my Organizations within vCD. As you might recall I'm trying to keep theme going by using my fictious company "Corp, Inc" that I've used in my previous SRM and...
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VMwarewag with Justin King (Part 3 - vCenter5.1)
In this 3rd and final VMwareWag in the vCenter5.1 series myself and Justin King take a look at the improvement to the vCenter Server Appliance (VCSA). I recently made the switch away from the Microsoft...
View ArticleESXi の通信をキャプチャする方法（tcpdump-uw）
ESXi には、tcpdump は入っていませんが、代わりに、tcpdump-uw というコマンドが使えます。 Capturing a network trace in ESXi using Tech Support Mode or ESXi Shellhttp://kb.vmware.com/kb/1031186 まずは、インターフェース名を確認します。...
View ArticleUEKの準仮想化ドライバ（vmxnet3）には要注意。
OracleLinuxには、RHCK（レッドハット互換カーネル）とUEKカーネルが付属していて、デフォルトはUEKです。実は、UEKには 最初から ESXi用のドライバがいくつか含まれています。含まれているのは、準仮想化のNICとSCSIアダプタ（vmxnet3とvmw_pvscsi）、バルーニングドライバ(vmw_balloon)です。 UEKのLinuxゲストOSに...
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Garbage data in, garbage information out, big data or big garbage?
Do you know the computer technology saying, garbage data in results in garbage information out? In other words even with the best algorithms and hardware, bad, junk or garbage data put in results in...
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SSD, flash and DRAM, DejaVu or something new?
Recently I was in Europe for a couple of weeks including stops at Storage Networking World (SNW) Europe in Frankfurt, StorageExpo Holland, Ceph Day in Amsterdam (object and cloud storage), and Nijkerk...
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Is SSD only for performance?
Normally solid state devices (SSD) including non-persistent DRAM, and persistent nand flash are thought of in the context of performance including bandwidth or throughput, response time or latency,...
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Data Center Infrastructure Management (DCIM) and IRM
There are many business drivers and technology reasons for adopting data center infrastructure management (DCIM) and infrastructure Resource Management (IRM) techniques, tools and best practices....
View ArticleESXi にコマンドで NFSマウントする方法（esxcfg-nas / vim-cmd / esxcli）
ESXiに、コマンドでNFSをマウントする方法の紹介です。コマンドで、192.168.0.249サーバの /nfs ディレクトリを、ESXiの /vmfs/volume/ds_nfs_249 としてマウントします。 ・NFSサーバ： 192.168.0.249・NFS共有名： /nfs・NFSデータストア名： ds_nfs_249...
View ArticleWHAT IS VIRTUALIZATION AND VIRTUAL MACHINE?
Virtualization Working with traditional Servers and its Drawback Now a days IT plays a major role in all Industries ,There is a lot of Pressure and responsibility for IT peoples and as wall as...
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vSphere5.1 Revision: Distributed vSwitch Port Bindings
One of things I've noticed in the last two of more years is how "fuzzy" I've become about basic vSphere settings and options. The reasons why are many varied, but my fuzziness comes from no longer...
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Part 26a: My vCloud Journey Journal - Creating Organization vDCs (PAYG)
Note: The first part of this blogpost is very much focused on the "resources" (cpu/memory/storage) side of the fence of creating an Organization vDC. In my second part I will be focusing on...
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Ceph Day Amsterdam 2012 (Object and cloud storage)
Recently while I was in Europe presenting some sessions at conferences and doing some seminars, I was invited by Ed Saipetch (@edsai) of Inktank.com to attend the first Ceph Day in Amsterdam. As luck...
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Seven databases in seven weeks, a book review of NoSQL databases
Seven Databases in Seven Weeks (A Guide to Modern Databases and the NoSQL Movement) is a book written Eric Redmond (@coderoshi) and Jim Wilson (@hexlib), part of The Pragmatic Programmers (@pragprog)...
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