MCITP: Server Administrator Hardware RAIDs on a preexisting virtual machine
In Exercise 10.4, you will install an operating system on a preexisting virtual machine. You must have completed Exercises 10.1 to 10.3 to do this exercise.
Installing an Operating System on a Previously Created Virtual Machine Upon exiting the previous exercise, the virtual machine for your install Linux Install should have begun and appeared on your screen, as shown here.
To load a disk, it’s recommended you download a version of SUSE Linux CCNA Exam Enter-prise edition for free from Novell.com. Depending upon your choice, you can either burn it to DVD or leave it in ISO format. For this exercise, you will leave it in ISO format. Select the location where your ISO is located, and then double-click it.
Choose Action and then Reset. This will bring you to the default loading screen for SUSE Linux. Enter linux at the command prompt to begin the installation, as shown here. Follow the installation instructions on the SUSE screen, and the machine will then start upon VM reboot.
If you try to use Hyper-V through Remote Desktop, the mouse will not be enabled unless you turn on Integration Services, which is available through the Microsoft Download Center.
One of the most popular methods for storing both data and virtual operating systems is iSCSI. A relative new kid on the block, Internet Small Computer Systems Interface (iSCSI) is very popular for virtualization solutions because iSCSI devices can be installed via TCP/ IP protocols and receive standard SCSI commands.
In the enterprise, most iSCSI Configurations are stored in arrays of disks that are MCSE 2003 man- aged through external software in proprietary enclosures, such as those made by EMC2 and other companies that produce disk arrays. Using iSCSI, administrators can easily create RAIDs of various disks and then assign further details to these RAIDs using logical unit numbers (LUNs).
To understand logical unit numbers, it’s best to first understand SCSI. In case you’re not too much of a hardware guru, SCSI is a type of I/O method that takes advantage of a dedi- cated card that interconnects directly with the PCI bus.
In the old days, or at least the ?older?days, of computing, SCSI was used because it could interface with higher-frequency buses and transfer more information faster than the standard PCI bus using IDE technology. SCSI supported a maximum of 16 devices per bus, each of which had its own individual and unique identi?er, or number. You could, for example, have four hard drives that exist on logical numbers 0, 1, 2, and 3. You could then specify which drive you wanted to communicate with via some relatively simple I/O operations.
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