Testing XenServer 6.2.5 beta [feedly]

Testing XenServer 6.2.5 beta
// Xen Orchestra

Thanks to this tweet, I decided to test latest build of XenServer. Let's see what we have here.

First, I don't have any physical host left to install it on bare hardware. Well, OK, let's play virtception!

The famous scene in virtception with 2 XenFuPanda

Step1: install Xenserver 6.2.5 in… Xenserver 6.2

No problem with that, just few clicks in XO:

Go to the Add Vm page and fill forms like this:

• Template: Other media install
• Name: xenserver 6.25
• RAM: 2GB
• ISO: main.iso (name of the iso downloaded from here)
• Create a disk of 20GB

Here is the summary:

Let's go! After the install in the console, we need to connect this XenServer to Xen Orchestra, just add it in Settings:

And now, see the result on the main page (with a VM installed on it: so a VM in a VM in XenServer):

Step 2: Explore

Now, we open a console on your new XenServer 6.2.5 beta and this:

• kernel 3.10.27-0.xs1.8.50.189.377584
• Xen version 4.4.0-xs83904-d

Modern kernel, latest Xen possible! Hell yeah! But… we need to go deeper.

Step 3: Profit

Current stable of XenServer doesn't support Debian testing (Jessie) in paravirt mode. Why? Because Pygrub installed lacks LZMA / XZ compression support.Thus, do NOT dist-upgrade your Debian in Jessie in XenServer stable. Your VM will fail (can't boot). I choose to try it on this Beta version of XenServer. But, I prefer to replay things if I'm wrong, by doing a snapshot (this feature will be accessible in XOA 3.3).

As you can see, a snapshot is created, and if I want, I can revert my VM to the previous state (also rename or delete):

After a Debian upgrade and a reboot, surprise! It's works!

That's great! I hope Citrix will release soon a stable version for 6.2.5. There is a lot of great things under the hood and it works out of the box with Xen Orchestra.

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