I saw this little discussion on an internal mailing list a week or so ago and I've decided to post it too The SLOG – 1. So I don't forget it, 2. I'm sure many of you will at some point use Jumbo frames in the future on your vSphere environments.
Question: "Assuming that I enable jumbo frames, is there a way on in the VM to determine is jumbo frames are truly supported end-to-end?"
In your VM, ping your destination with a large message and specify don’t fragment.
Linux VMs: ping –M do –s 8000 <ip address or destination>
Windows VMs: ping –f –l 8000 <ip address or destination>
ESX(i): vmkping –d –s 8000 <ip address or destination>
Another year has passed….Where the hell did that go? Well you may or may not have heard that the vSphere-Land.com Top Bloggers in VMware and Virtualization Award nominations have been released and voting has commenced.
Once again I'm both pleased and honoured to have my Blog on the shortlist amongst some of the worlds top Virtualization Bloggers.
So if your a regular reader of the various Virtualization Blogs, it would be great if you could vote for your favourites.
VMware have just released their latest version of vSphere, version 4.1. There are a lot of new features and changes, all of which can be found here: What’s New in vSphere 4.1
So, what does that mean for you if you're about to start studying for the VCP exam? Well I've heard from an "unofficial" source that the VCP will always be related to the current software version. I'm waiting on official confirmation of this from VMware, but Scott Vessey is very seldom wrong and his Blog is where I found this information.
So from now on, I'd recommend using the latest vSphere 4.1 Documentation as part of your VCP Studies and the latest version of the VCP Exam Blueprint which you can download from here
Update: If VMware decide that there are features in vSphere 4.1 that would be benifical for a VCP to know, then they will release a new Exam Blueprint with the relevant changes in. I of course will let you know if this happens and I will also do my best to change my online blueprint links page to suit.
About two weeks ago I received an email from John Troyer from VMware notifying me that I have been awarded the vExpert award. This was one of my targets for the year, so I have to say that I am very happy to recieve this award. For those of you who don't know what the vExpert award is, here is a little quote from the vExpert landing page.
The VMware vExpert Award is given to individuals who have significantly contributed to the community of VMware users over the past year. vExperts are book authors, bloggers, VMUG leaders, tool builders, and other IT professionals who share their knowledge and passion with others.
It's quite an honor when you see the list of others who have also been the vExpert title. For a comprehesive list have a look at Armin Van Lieshout's vExpert Directory.
Hitachi Data Systems, Blogger Day
I had the pleasure of spending most of last week over in California attending the Hitachi Data Systems Bloggers Day. This was another great experience. I caught up with some old friends and have made some great new friends. I'm not going to go into too much depth about my visit as I plan to write a post which will give you a little more detail into what I got up to at HDS.
As you can see, things have been pretty good for me. But it doesn't stop there, I'm pleased to tell you all, I have landed my dream job!!!
In August 2010 I will be joining VMware as a Senior Consultant. I CANNOT wait! I will be working in a team consisting of some of best Virtualisation Consultants in the world, Including Frank Denneman, Hany Michael, Kenneth Van Ditmarsch. This for me is the icing on the cake. This is a job I have wanted since I first started working with ESX 3 back in 2007.
It's 6am here in San Jose, as you can tell I have a little jetlag. If you regularly follow me on Twitter, you'll probably know that I am over here in the US for the Hitachi Data Systems' Bloggers day which takes place tomorrow and Wednesday.
I'll be joined today by a small list of other bloggers, some of wish I've met before at the Gestalt IT Tech Field Days. So I'm really looking forward to catching up with them and meeting the other guys who I have only chatted to on twitter. Here is a list of the attendees for you to follow.
This is something I did a while ago, but it came to my attention that people didn't; a) Know that it's recommended to use a syslog server with ESXi b) You could use an application built in to vMA called vilogger.
Because the in-memory file system does not persist when the power is shut down, log files do not survive a reboot. ESXi has the ability to configure a remote syslog server, enabling you to save all log information on an external system.
…..it is not a well known fact. So that is partly the reason for writing the post. The other reason is to introduce you to vilogger, which is part of the vMA. Of course you can use which ever syslog server you wish, if you plan to use your own, be sure to checkout Managing VMware ESXi page #68 to view the configuration steps.
I'm not going to take you through the steps of installing vMA, nor am I going to tell you all about what the vMA (vSphere Manage Assistant) does. If you want to read more about that please find the relevant links in the Sources section at the bottom of the page. But I am going to take you through the steps I took to use vMA as my ESXi syslog server.