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file corruption

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  #1  
Old 06-02-2007
bsuprai
 
Posts: n/a
file corruption

I have two servers running Windows 2K3 Enterprise Edition connected to a disk
storage unit via fiber channel. They are not part of a cluster, however,
when connected the 2nd server to the disk unit, I started getting the
following errors in the event logs of both servers:

Event ID: 257, Source: PlugPlayManager
"Timed out sending notification of target device change to window of
"C:\WINDOWS\Explorer.EXE"

Event ID: 55, Source: NTFS
"The file system structure on the disk is corrupt and unusable. Please run
the chkdik utility on the volume cluster set."

When I look up these event ID's in Microsoft's Knowledgebase, The TID's
state that these errors are informational and can be ignored. However, I am
getting files that are being flagged as corrupt and cannot be accessed. When
I reboot, the chkdsk utility launches on the drive they both are sharing on
the disk unit.

Please help. Thanks.

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  #2  
Old 06-02-2007
Edwin vMierlo
 
Posts: n/a
Re: file corruption

You cannot have two different servers accessing the same NTFS-disk
simultaneously.

You can NEVER have two different servers accessing the same NTFS-disk
simultaneously

When you do, you WILL have data corruption.

Ensure only one server accesses a disk.

rgds,
Edwin.


"bsuprai" <bsuprai@discussions.microsoft.com> wrote in message
news:C0423F2F-5336-413E-9837-C88DF0A4C9BE@microsoft.com...
> I have two servers running Windows 2K3 Enterprise Edition connected to a

disk
> storage unit via fiber channel. They are not part of a cluster, however,
> when connected the 2nd server to the disk unit, I started getting the
> following errors in the event logs of both servers:
>
> Event ID: 257, Source: PlugPlayManager
> "Timed out sending notification of target device change to window of
> "C:\WINDOWS\Explorer.EXE"
>
> Event ID: 55, Source: NTFS
> "The file system structure on the disk is corrupt and unusable. Please

run
> the chkdik utility on the volume cluster set."
>
> When I look up these event ID's in Microsoft's Knowledgebase, The TID's
> state that these errors are informational and can be ignored. However, I

am
> getting files that are being flagged as corrupt and cannot be accessed.

When
> I reboot, the chkdsk utility launches on the drive they both are sharing

on
> the disk unit.
>
> Please help. Thanks.



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  #3  
Old 09-02-2007
John Toner [MVP]
 
Posts: n/a
Re: file corruption

I totally agree. The NTFS file system is not designed to handle multiple
servers accessing it simultaneously. With Microsoft clusters, MSCS is a
"Shared nothing" cluster model. MSCS has a built in filter driver that
controls access to the disks. It is this cluster disk driver which prevents
this sort of corruption from occurring in a cluster.

Without cluster software to control access to the drive, corruption will
always occur.

Regards,
John


"Edwin vMierlo" <EdwinvMierlo@discussions.microsoft.com> wrote in message
news:%23cLP2pdSHHA.1200@TK2MSFTNGP04.phx.gbl...
> You cannot have two different servers accessing the same NTFS-disk
> simultaneously.
>
> You can NEVER have two different servers accessing the same NTFS-disk
> simultaneously
>
> When you do, you WILL have data corruption.
>
> Ensure only one server accesses a disk.
>
> rgds,
> Edwin.
>
>
> "bsuprai" <bsuprai@discussions.microsoft.com> wrote in message
> news:C0423F2F-5336-413E-9837-C88DF0A4C9BE@microsoft.com...
> > I have two servers running Windows 2K3 Enterprise Edition connected to a

> disk
> > storage unit via fiber channel. They are not part of a cluster,

however,
> > when connected the 2nd server to the disk unit, I started getting the
> > following errors in the event logs of both servers:
> >
> > Event ID: 257, Source: PlugPlayManager
> > "Timed out sending notification of target device change to window of
> > "C:\WINDOWS\Explorer.EXE"
> >
> > Event ID: 55, Source: NTFS
> > "The file system structure on the disk is corrupt and unusable. Please

> run
> > the chkdik utility on the volume cluster set."
> >
> > When I look up these event ID's in Microsoft's Knowledgebase, The TID's
> > state that these errors are informational and can be ignored. However,

I
> am
> > getting files that are being flagged as corrupt and cannot be accessed.

> When
> > I reboot, the chkdsk utility launches on the drive they both are sharing

> on
> > the disk unit.
> >
> > Please help. Thanks.

>
>



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