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The VMworld 2012 user conference wrapped up on August 30, but the user community's conversation didn't end at the San Francisco airport. Here are some of our favorite tweets about the conference.

@mbroeken: No more vCenter linked-mode required to manage all your vCenter servers, use SSO to manage them all with the web client #VMworld

VSphere Linked Mode  allows administrators to manage complex virtual environments when they need to go beyond VMware's implementation and management limits. VMware's vSphere 5.1 includes single sign-on (SSO), designed for multiple vCenter Server products to accept one authentication. SSO works by transferring a user name and password that's entered into the Web client into a security token. Users can see multiple vCenter servers and inventories on a single pane of glass.

Marco Broeken wasn't the only VMworld attendee interested in the web client. @scott_lowe: One small problem w/ #Dell's demonstration: it's based on the old .NET vSphere client. Oops. Didn't they hear about the Web Client? 

@cpjones44: So if you can vMotion without shared storage with 5.1, then why do you need a VSA? #VMworld

Virtual SAN appliances (VSA) were developed to allow storage managers to convert unused virtual server storage capacity into a storage area network (SAN), which can be accessed as-needed by the virtual servers. However, the shared-nothing live migration feature of vSphere 5.1 integrates support for simultaneous memory and storage migration. vMotion without shared storage will allow live migration of virtual machines across vCenter Servers and over long distances, which will be useful for moving to public or private cloud.

@bradhedlund: Easy prediction @Beaker Yes, VMware DVS one year from now will be reborn and a lot more bad ass thx to Nicira. VXLAN there but not needed

VMware's distributed virtual switch (DVS) is a virtual switch that spans its ports and management across all ESX servers in the cluster, improving data center use and agility with server virtualization. It seems that VMware's late July acquisition of network virtualization company Nicira Networks Inc. is bringing some to the conclusion that the VXLAN tunneling protocol will become passé. Brad Hedlund followed up this prediction with a post-VMworld tweet, "vCloud Distributed Storage? Nicira? The next gen data center is shaping up to be a *software* overlay on enterprise commodity hardware."

@veverything: I can't think of a single reason to use boot from SAN instead of Auto Deploy for stateless ESXi #vSphere … anyone?

Boot from SAN is "notoriously tricky" but can be more reliable and improve recoverability over server booting from an image stored on a local disk. With VMware Auto Deploy, you can automate stateless ESXi host provisioning and re-provisioning, because ESXi hypervisor files and state are not stored on the host disk. Benefits include booting the host from any server hardware, saved costs of local storage, easy deployment of new hosts, uncluttered hosts and simpler patching. Vijay Swami (@veverything) seems to be one of the users enthusiastically embracing Auto Deploy on vSphere.

And plenty of attendees were just trying to recoup after all they'd seen and heard during the week:

@cxi: ....Downloading all of the #VMworld sessions....

@jshiplett: So much post-#VMworld information to try and process...

@CiscoServerGeek: Hmmmm post #VMworld work email.. FIFO LIFO or CTRL-A DEL ?

@zmilleson: Expense report time. By far the worst part about #VMworld. #Ineedanassistant

@mixdup is dreading something else: Queue up all the post-conference spam from every vendor who scanned my badge at #vmworld

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This was first published in September 2012

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