::: Virtual Aleph ::: Virtualization Techniques: July 2006

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16 July, 2006

Installing Windows 2003 (within ESX 3.0) on an 8 processor AMD64 Opteron server

Funny video from Richard Masoner.
Like it very much: very good music :)

Have a look

..And have a look also at this one

15 July, 2006

VMware Delivers Free VMware Server

Enterprise-Class Support and VMware VirtualCenter Management Now Available
PALO ALTO, Calif., July 12, 2006 - VMware, Inc., the global leader in virtual infrastructure software for industry-standard systems, today announced the general availability of VMware Server after a five month beta program with more than 700,000 downloads. Customers deploying the free hosted virtualization product for Linux and Windows servers can now purchase enterprise-class support from VMware. In addition, they can now use VMware VirtualCenter to centrally provision, monitor and manage VMware Server deployments.

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08 July, 2006

From VMGuru: "In Depth Analysis: vmxnet_console (Re-released)"

From VMguru Webblog sherold says:

I have decided to re-release my most popular article from the original VMGuru.com website at the request of more than one person. I am actually re-releasing this original version as an introduction to my next entry that will be in place by the...

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VMware ESX Server 2.5.3 Upgrade Patch 2 (for 2.5.3 Systems Only)

From VMware site the release of the upgrade patch for ESX 2.5.3

This patch is for ESX Server 2.5.3 and addresses the following issues:

  • Bug 66534 VMs BSOD with STOP: c0000221 Unknown Hard Error during VMotion across HP Blades -->This patch includes a change in SCSI error handling. Prior to this patch, certain SCSI behaviors resulted in an error condition being passed to guest operating systems. After ESX Server 2.5.3 Upgrade Patch 2 is applied, the guest operating system will be passed a retry for its I/O rather than receiving the error condition.
  • This patch refines runt-packet padding behavior in order to accommodate relatively rare circumstances where Ethernet frames are dropped and/or flagged as suspicious by a network security appliance.
  • This patch fixes a bug that caused the VMware Management Interface not to display some groups defined in /etc/group. This is also fixed for ESX Server 2.1.3 in ESX Server 2.1.3 Upgrade Patch 1.
  • This patch enables the use of non-alphanumeric characters in passwords in the VMware Management Interface without generating an error message.This is also fixed for ESX Server 2.1.3 in ESX Server 2.1.3 Upgrade Patch 1. For additional information, refer to KB 2098.
  • This patch enables support for the Sun StorageTek FLX-380 storage array.

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06 July, 2006

TCP/IP Offload Engine relieves CPU burden

By Alan Baldus (from embedded computing design)

Today’s CPUs are overwhelmed by Ethernet traffic, with an increasing amount of CPU cycles being consumed by TCP/IP packet processing. An additional CPU can be added to share the load when this imbalance causes application performance to suffer, but this is an expensive solution with several other drawbacks. In this article, Alan discusses how the addition of a Network Accelerator Card (NAC) with an integrated TCP/IP Offload Engine (TOE) can relieve the burden on the CPU.

Read all in PDF

05 July, 2006

File / Print / DNS Servers: Getting Started with Virtual Infrastructure

From VMware site a whitepaper from Foedus

In this white paper, we will discuss the value of adding virtual infrastructure to the organization to support various staple services such as File and Printing services and DNS. Leveraging VMware ESX Server's iSCSI support, virtual file servers reach new capabilities while keeping costs affordable at the same time. The scalability of virtual networking support in VMware ESX Server 3.0 lends itself especially well in high-bandwidth scenarios when coupled with new processor technology from Intel. New features of ESX Server 3.0 such as clustering, consolidated backup and Distributed Availability Services mean you can ensure 100% availability of file and printing services without the complicated setup of Windows clusters or 3rd party products.

Read all or Download the whitepaper

04 July, 2006

iSCSI Review


Vladamir Savyak article

With the release of the Fibre Channel and SAN based on it the storage world staked on a network access to storage devices. Almost everyone announced that the future belonged to the storage area networks. For several years the FC interface was the only standard for such networks but today many realize that it's not so. The SAN based on the FC has some disadvantages, which are the price and difficulties of access to remote devices. At present there are some initiatives which are being standardized; they are meant to solve or diminish the problems. The most interesting of them is iSCSI.[...]
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From SNIA.org site lot of pdf docs
Internet SCSI (iSCSI) is a simple, yet powerful idea that will change the way we think about computer storage and the way it relates to computer networks. The iSCSI protocol maps the SCSI remote procedure invocation model on top of the Internet's [...]
Read all and get PDFs


From iSCSIStorage.com a page with whitepapers: take a look

03 July, 2006

Documentation in VMWare Official Site

I'm linking here the page from VMware Official Site, in order to find out easily the needed documentation for new Virtual Infrastructure 3.

Follow the link to documentation page (contains all PDF documents)

Some useful PDF files:

As stated on VMWare site: If a component of your configuration is not listed in the HCL’s above, please contact the respective vendor for more information.