Server Freezes - i am going crazy


I have a server 2008 R2
out of now where, It started freezing. the log said  disk three   something.... we looked at disk manager and it seemed to point to an external tosheba drive.
I took the usb drive off the machine, and I am pretty sure the problem stopped.   I just put it back on.. and it started again......but it may be my superstition.  we have two identical external drives.... and I noticed no difference in either of them.

how can I be sure....

the log said the " system rebooted with out cleanly shitting down first. this error could be from the system stopped responding, crashed ,or lost power unexpectedly
it says kernel-power  

any help about what is going on would be helpful.... let me know.......
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JohnConnect With a Mentor Business Consultant (Owner)Commented:
First, with no external drives connected, your Server does not crash and works normally. Correct?  I think so. And then further, I think that means the Server OS is fine.

Second, you attach a new drive (not one of the first two) and the Server crashes.

So I think there must be a hardware problem with the Server USB sockets.

Do you think installing a separate USB card and plugging my HD into it may avoid this problem.?

Yes, I think this is definitely worth a try. Put in the card, install it and make sure the Server runs properly. Only then, insert the new external drive above and test.

..... Thinkpads_User
JohnConnect With a Mentor Business Consultant (Owner)Commented:
Unplug external drives and leave them unplugged for 48 hours. Restart the server immediately after unplugging the drives. Let the server run for 48 hours.

Does it freeze / crash?

If not, start troubleshooting the drives. There could be a hardware problem in the electronics. For that matter, there could be a hardware problem on the server USB port.

... Thinkpads_User
intelogentAuthor Commented:
hi think pad......

so we did that... we left them off for a week... no issues.....

but how can a usb device  cause such a problem.
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JohnBusiness Consultant (Owner)Commented:
A USB hard drive can have an electronic hardware problem.

You say you have two external drives. If possible to distinguish which one was plugged in at the time of the crash, plug the other one in and see what happens.

Use a process of elimination to determine which (or both) drives are causing issues.

Once you know, you can discard the one bad drive (if there is only one bad drive), or, get another new drive and try (alone) to see if the server is unhappy having something plugged into its USB port.

.... Thinkpads_User
intelogentAuthor Commented:
I will report back... after swapping tomorrow...
intelogentAuthor Commented:
so I put in a drive... and it froze again.
diagnostics say  
 The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly

it is related to an external hard drive... at least I did just plug it in , and shortly after this happened.

do you think installing a separate USB card and plugging my HD into it may avoid this problem.?
intelogentAuthor Commented:
Think pad,

when you say the "USB server sockets."   I have moved from one to another. I think the problem unchanged.   could it be the drivers...?  there are no issues in the device manager.
or is this pointing to MoBo failure.

 but what about  the error messages I am getting in the event log... not sure what they are telling me. I posted a message with the log... please have a crack at it...
JohnBusiness Consultant (Owner)Commented:
It could be the driver or the motherboard (if the USB sockets are connected directly to the motherboard). It appears to me to be hardware rather than software but that is difficult to tell from here.

I will see if I can find the log and look.  Thanks.

.... Thinkpads_User
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