Working With Vm Ware
Technology has a funny habit of solving one problem but then highlighting another. A typical example of this is the emergence of virtual operating systems, that is an OS that runs on top of another OS. While there are many advantages to many computer users in running these configurations they all rely the humble hard disk , and as fragmentation occurs, this can lead to instability and potentially data loss.
Virtual machines must still make use of the slowest part of any modern computer system: hard drive technology. Hard Drives can be partitioned to appear as dedicated individual devices, these devices are then often utilized to store virtual partitions and virtual operating systems. Underneath this “virtual” layer, the hardware is storing data as it always has, in a fragmented inefficient manner.
Fragmentation occurs on all hard drives and is part of the way the operating system stores the data on a disk. It won’t lay it down nice and neatly in one continuous block, but will lay it wherever there is a space. One file could literally be split into many separate places on the hard disk and this is fragmentation. If you have one OS running it can be bad but if you are running virtual machines the problems is far more serious.
Fragmentation is the scourge of modern computers as most people fail to conduct even the most basic maintenance on their computers. The situation just get worse over time and some people have even been known to purchase a new system even though there is nothing wrong with the old. On servers and raid arrays fragmentation is far more serious as it slows down business applications and reduces productivity. In very bad instances data recovery is the only method of saving the data.
You would like to think that as the problem of file fragmentation has been with us since the advent of hard drive based computer systems, operating system vendors would have come up with a software solution to ensure the problem is eradicated at source. Whilst Mac OS X will partially help with files under a 20 mb size, Windows operating systems seem to pay it no heed whatsoever.
Defragmentation utilities can take care of this problem, however, running them practically ties up the machine until completion, slowing the machine to a crawl. So what can be done to remove this issue? There are a number of possibilities that can be tried.
Fortunately we are not left to the operating systems alone as there are a number of third party defragmentation applications that are far superior to the inbuilt OS tools. These can be scheduled to run when system usage is very low for example whilst the system is idle or the screen saver is running. As you go defragmentation is my personal choice.
Use dedicated hardware for the Virtual Machines: Whilst it may appear to be a contradiction in terms, running the virtual machine from a dedicated hard disk or RAID Array is probably the most efficient method of running the machine at all. It leads to the minimum of wear on the individual hard disk devices and means that running even simultaneous defragmentation is possible.
Ensuring your systems are working in tip top condition is vital to maintaining a productive IT infrastructure. For more great computing tips visit the IT support Bury , or click here for hard drive recovery information and raid data recovery advice.
Posted: November 29th, 2008 under Computers, Data Recovery.
Tags: Data Recovery, raid data recovery







