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Software RAID5 and dyding network

L

lrdbelial

n00b
Joined
Feb 11, 2003
Messages
8
I run a fileserver running Windows 2003 Server and has a 1TB (7x200gb) software RAID 5 drive (Windows RAIDed). The problem is when copying large amounts of data to it over the netowkr, the networking on that computer seems to die. The computer its self is still working. I can hit the power button and it shuts down normally (There is no direct video. I have TIghtVNC running). Also I can hook up another drive and copy a large amount of data and it works fine.

The system is an AthlonXP 2500+ w/ 256mb PC2700. Is the lack of memory my problem? What else could it be?
 
It may have something to do with software RAID. That's about the most worthless feature I've ever seen, and it creates all kinds of bottlenecks and slowdowns because your making the OS do the work of a hardware controller. It may be such a performance hit that everything else suffers, including networking.
 
djnes said:
It may have something to do with software RAID. That's about the most worthless feature I've ever seen, and it creates all kinds of bottlenecks and slowdowns because your making the OS do the work of a hardware controller. It may be such a performance hit that everything else suffers, including networking.
Click to expand...

I've had much better luck doing Windows RAID then using Promise RAID hardware controllers..... I've used SX6000 and SX4000 with updated drivers, firmware, etc and still have had problems with hardware raid.

More on the point, not sure what the OPs problem is, I've done transfers well over 100GB from one system to another with no problems.

lrdbelial,
Are there any errors or warnings in the event logs?
How are you transferring large amounts of files?
After the Server network seems to go down, can you ping localhost or any other computer on the network?
What kind of NIC? Latest drivers?
 
I seem to have fixed my problem. I switched from the onboard NIC the a Realtek 10/100 I had lying areound and it seems to be working. I do notice it is very slow using the Software RAID versus using seperate drives like before. Copying over 200b is taking several hours. Is this the norm?
 
lrdbelial said:
I seem to have fixed my problem. I switched from the onboard NIC the a Realtek 10/100 I had lying areound and it seems to be working. I do notice it is very slow using the Software RAID versus using seperate drives like before. Copying over 200b is taking several hours. Is this the norm?
Click to expand...

Writing to a RAID 5 array is going to be slower since the hardware and/or software must write the information across the drives and calculate the parity bit.

How are you transferring the files? Windows explorer? FTP?
 
lrdbelial said:
Windows Explorer
Click to expand...

Map a network drive on the workstation going to the server and use xcopy or robocopy via command line....... transfers will be much faster than using Windows Explorer.
 
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