Data corruption in large files
Carry over from this thread.http://social.technet.microsoft.com/Forums/en-US/w7itprohardware/thread/b0374fa7-a8d1-4d19-9713-ca184841bf96/After some further reading it looks like its normal for a SATA drive to show up as SCSI but I have not been able to resolve the data corruption issues. Files that are fine on a different PC (running Vista) end up corrupted when copied over to my PC running Windows 7. Same applies for any big files (like virtual PCs) created on Windows 7. My PC running Win7 is a standard HP CPU: AMD Phenom (64bit)Motherboard: ASUSTekNARRA3Chipset: Nvidia MCP612 Hitachi HDP725032GLA360 DrivesI just reinstalled the OS and this time mirrored a volume across these 2 drives, still same issue on the now mirrored drive.
June 6th, 2009 9:35pm

Do you have the same issue with no third partysoftware (and by that I mean not even other software from MS) installed? No anti-virus, nothing?It sounds like from other threadthat you upgradedchipset drivers, but what about BIOS? Do you see the same issue running Vista on the same computer? Ned Pyle [MSFT] - MS Enterprise Platforms Support - Beta Team
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June 6th, 2009 10:01pm

I did a fresh install of Win7 (build# 7100) today, so no other installed software except what came with the OS. The BIOS is what came with the machine. I haven't had this issue before on this machinewhen I hadVista on it. This only seem to happen with very big files, like 1GB+ (e.g. Virtual PC HDs and World of Warcraft data files) and pretty easy to reproduce.
June 6th, 2009 10:14pm

You need to upgrade the BIOS and chipset drivers before we can continue, I'm afraid. It's not that the RC isn't the problem, it's that it may be an interop issues with the vendor drivers that ship in RC and your existing firmware. All must be current before troubleshooting further.Ned Pyle [MSFT] - MS Enterprise Platforms Support - Beta Team
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June 6th, 2009 11:43pm

BJ2009,This is only when you transfer files from another computer? Maybe it's the network card driver causing the problem. While you are getting drivers for the chipset, look for network drivers as well (if they are not built in to the chipset drivers).
June 7th, 2009 2:22am

I am working on updating the BIOS and chipset drivers, I will do the same for the network card. Thank you both.
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June 7th, 2009 2:31am

BJ2009,No problem, please let us know how you make out.
June 7th, 2009 8:22pm

As per biosagentplus.com I am running the latest bios (their scan tool did indicate that its out of date but their customer service came back saying that its up to date). This machine is less than a year old and it originally came with vista on it so I am not surprised.The networking componentsbuilt in with the chipset, anyway I copied those files over using a thumb drive, still the same problem.Is there anything else I should try?
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June 8th, 2009 6:10pm

BJ2006,Yes, at this point I would find a nice memory diagnostic and a hard drive diagnostic and run those. Were there drivers for Windows 7, or only Windows Vista? Did you install them in compatibility mode? Also, just out of curiosity... Anything in the event logs?
June 9th, 2009 5:01am

I am not sure how I missed it last time but when I checked the eventlog again I noticed aton on ntfs error. All of them point to the same device HarddiskVolumeShadowCopy1Log Name: SystemSource: NtfsDate: 6/7/2009 11:10:54 AMEvent ID: 55Task Category: (2)Level: ErrorKeywords: ClassicUser: N/AComputer: Win7Description:The file system structure on the disk is corrupt and unusable. Please run the chkdsk utility on the volume \Device\HarddiskVolumeShadowCopy1.Event Xml:<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Ntfs" Guid="{dd70bc80-ef44-421b-8ac3-cd31da613a4e}" EventSourceName="Ntfs" /> <EventID Qualifiers="49156">55</EventID> <Version>0</Version> <Level>2</Level> <Task>2</Task> <Opcode>0</Opcode> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2009-06-07T16:10:54.340400000Z" /> <EventRecordID>1397</EventRecordID> <Correlation /> <Execution ProcessID="4" ThreadID="60" /> <Channel>System</Channel> <Computer>HOMESERVER1</Computer> <Security /> </System> <EventData> <Data> </Data> <Data>\Device\HarddiskVolumeShadowCopy1</Data> <Binary>00000C000200380002000000370004C000000000020100C000000000000000000000000000000000EE0C14006809000000000100</Binary> </EventData></Event>I did not have to have to install any drivers in compatibility mode, I would imagine the drivers were win7, they either came with install or were picked up by the OS when I hit update driver. I had already ran a hd diag tools fom hitachi and they came back clean.
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June 9th, 2009 6:41am

Run CHKDSK /R against all disks (see the help for chkdsk with /?). When you kept reinstalling, I don't suppose you formatted the disks? Sounds like you kept using the same bad ones again and again.Ned Pyle [MSFT] - MS Enterprise Platforms Support - Beta Team
June 10th, 2009 6:34am

Finally found the issue, something I should have looked into long back. The problem was with one of the RAM module, I ran memory diag tool from MS and the tests failed. All the errors kept point to hd corruption so never though RAM was the problem, but now when I think about it that makes sense. Thank you both for your help.
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June 11th, 2009 6:40am

Excellent (well, not for the problem, but that you found the answer).
June 11th, 2009 6:41am

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