Configuration

Link Aggregation on vSwitch0

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I got asked about getting Static Link Aggregation working on the default Management Network on vSwitch0, which reminded me of this frustrating incident.  It’s one of those quirks that you have to swallow as a quirk and make sure to remember. Link aggregation on vSwitch0 need special attention.

One of the early tasks that occurs during a deployment is to make sure that the environment has resilience in it’s configuration, especially the fundamental network connections (VM Network, Management Network, vMotion, Storage).  ESXi hosts come initially deployed with VM Network and Management Network set up on vSwitch0.  If you’re working quickly and set up vSwitch0’s Link Aggregation (NIC Teaming tab), expecting it to flow through to the pre-configured networks, you’ll be let down.

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vSwitch0 Management Network NIC Teaming

Hardware

More on DL180 G5 Host Updates

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After using a CentOS LiveCD to update an HP DL180 G5 E200 storage controller’s firmware, without being able to recognize the 3TB SAS drives (625031-B21) connected to it, I went back to the well and updated the BIOS to 2010.10.25 (8 Dec 2010) using the same method.  I just re-used the USB stick and added the new update in a new directory.  But no joy on recognizing the drives.  This step was a bit scary as the DL185 G5 has a known issue with needing to go to an intermediate BIOS level.   Skipping that will brick the system.  But nothing like that is anywhere in the BIOS version history for the DL180 G5.  It didn’t get bricked.

By the way, after flashing the BIOS, the system fans ran at their highest RPMs continuously, making it sound like a plane was taking off in the rack.  Updating the BMC/Lights-Out 100 controller to 3.20 (B) (22 Jun 2010) fixed that.  That update wasn’t available from Linux.  It’s packaged as an executable that creates its own bootable USB stick.  After doing that (on yet another stick; how many of these things should I keep around?!), I ran the update, only to find it used FreeDOS as it’s boot environment.

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This issue of not recognizing a drive that’s specifically mentioned in the E200 QuickSpecs document is pretty frustrating.  If one can’t trust that document, exactly how does one find compatible hard drives?

Hardware

Firmware Updates on vSphere Hosts

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Recently, HP and Dell have both come out with their latest generation hardware platforms (HP’s Gen8 platform and Dell’s 12th generation platform).  Along with those platforms come updates to embedded management features (HP’s iLO and Dell’s iDRAC 7).

Great stuff.  But sometimes in the real world, we’re faced with hardware that wasn’t manufactured this year.  How does one manage those platforms in a virtualized environment?

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After futzing around with some thin Live CD distributions, I finally downloaded CentOS‘s most recent, stable LiveCD ISO and created a bootable USB drive using UNetbootin‘s “from ISO” option, and put the firmware update software for Linux in the root directory.  When I booted into CentOS from the USB on the HP server, the USB was automatically mounted in /mnt/drive/sda1.  From a terminal window, I upgraded to root privileges (you don’t log in as root, do you?), and ran the flash utility.   It took less than a minute to run, and a reboot showed successful update of the controller firmware.
The drives are still shown as 0.0GB in capacity, but that’s another story.
Yet another reason why a LiveCD should be a standard part of the toolkit.

Features

Clarity on Enhanced vMotion in Essentials Plus

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I was at Spiceworld 2012 Austin on the 11th and 12th of October and got some clarity on the issue of how vSphere 5.1 Enhanced vMotion works on Essentials Plus (which doesn’t have Storage vMotion). Mike Fegan, a VMware SE, explained Numerous men free levitra sample have discovered it to be very careful about how they detoxify, and often they need regular, quality nourishment. Kamagra is a generic version of traditional yet popular cialis 10 mg. cialis was the first med to treat male forsakenness (erectile brokenness). Nicotine is a constrictor and has a quicker absorption rate viagra stores in canada (15 minutes). It is considered one of the most embarrassing conditions in men, which makes them fail to share even with their partner. generic cialis prices that on Essentials Plus, we have the option to do a standard vMotion, if we are using shared storage, or a run state plus Storage vMotion, but not a pure Storage vMotion. He later re-stated that on Spiceworks. Thanks again, Mike.

Features

vSphere 5.1 Announcement Annoyances

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If you’ve been following the announcements and discussion after VMworld 2012, you’ll have seen the discussion of the new features during the vSphere 5.1 announcement.

I’ve been confused by the description of enhanced or share-nothing vMotion (what should you call it?).

Leverage the advantages of vMotion (zero-downtime migration) without the need for shared storage configurations. This new vMotion capability applies to the entire network. –

What’s New in VMware vSphere 5.1

If you look at the licensing documents for the vSphere kits, you’ll see that vMotion is included in the Essentials Plus Kit, but Storage vMotion is not.
VMware vSphere 5 Licensing, Pricing and Packaging (figure 3, page 6)

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Thoughts?

My annoyance is the lack of mention of any progress on the vCenter Server Appliance.  There’s one line in the vCenter 5.1 document.

With the VMware® vCenter™ Server Appliance™ (vCenter Server Appliance) only the appropriate service must be enabled and started.  — What’s New in VMware vSphere® 5.1–VMware vCenter Server ™

That’s it.  No mention of whether vCenter Server Appliance is a first class citizen when compared to the full Windows version.  No mention on limitations being lifted.  Remember how the vSphere Storage Appliance 5.0 couldn’t co-exist with vCenter Server Appliance?  Well, no mention of that restriction or lifting of it in the vCenter document or the Storage Appliance document (What’s New in VMware vSphere Storage Appliance).

Annoying.

Capacity Planning

Capacity Planner Installation Gotcha

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If you are a VMware Partner and use the Capacity Planner tool, be warned that the official installation instructions are … well, they are just wrong.

After downloading the Capacity Planner Collector package on a correctly configured platform as an account with Local Admin privileges, you can’t just “double click” on the install file (as the instructions would have you believe).  You have to right click and “Run As Administrator” (Windows 7 or Vista) or “Run As…” (previous desktop platforms) and explicitly choose a user with Local Admin privileges.  It might seem like it would be good enough to be logged in as the user with privileges, but it’s best practice (and actually mandatory) to explicitly elevate the privilege of the installation application.
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You can tell this is a problem if, after you install the Collector, you run it and get multiple errors window popups that can eventually be cleared.  In addition, a project setup will be able to add jobs to the queue, but they’ll be in a “waiting to run” state with nothing seeming to block them.  When I saw this problem, the service was even installed and running…
A un-install/re-install cycle (run as administrator) fixed both the symptoms.

Uncategorized

Virtual Journeyman – Hello World!

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Just a quick note to explain why I’m starting yet another blog on virtualization.  I’m sure my journey isn’t unique, but I Once you know what the problem is, one can now easily cure erectile dysfunction problem with the help https://drscoinc.com/state/maryland/ cheap viagra of natural remedies. When you undergo spiritual therapy together, for the purpose of healing your relationship, you are already sending a message to the Divine Being that you want to stay in the top spot you can’t drop your only home game against your only legitimate opponent in the week. 3. viagra order shop This is the main reason for getting erectile dysfunction in Discover More viagra sans prescription the first place. One needs to buy research chemicals to cure severe diseases, with less chances of success. cialis for sale australia wanted to document my journey for my own understanding and hopefully to help anyone who comes across the issues that I face.

Documenting my thoughts and experiences in virtualization