random file corruption on NTFS

[darrin hodges]

Hi Tony,
the volume was previously a FAT32 before it was reformatted to NTFS.  I've
wondered
about the drive being dodgy, is it that FAT32 is more leanient in terms of
file errors?


thanks.
Darrin.

On 5/12/06, Tony Abernethy <tony at servacorp.com> wrote:
>
>  Wild guess, but that sounds a lot like a disk drive going bad.
> An error message like The file or directory is corrupted and unreadable.
> There is essentially no way that an application (including rsync)
> can cause that kind of thing.
> You probably can cause that by messing with the controller registers
> or sticking strange stuff into the control or data lines.
> A bad place on the disk (and it has to be pretty bad or you will not
> notice it)
> or cables that aren't really plugged in
> or a failing or very weak power supply are all potential causes.
>
> Probably no way to know, but does it happen on the same sectors every
> time?
> FAT32 is probably on a different drive, but
> (essentially they are race conditions or timing errors)
> working on one and failing on the other doesn't mean much.
> Although,FAT32 is probably much less likely to lose you data
> (I've seen NTFS "fixed" by wiping out a directory that was unreadable)
>
> Curiously, backups have to be the standard place to discover you need the
> backup.
> (while in the process of destroying the backup you need;)
>
> -----Original Message-----
> *From:* rsync-bounces+tony=servacorp.com at lists.samba.org [mailto:
> rsync-bounces+tony=servacorp.com at lists.samba.org]*On Behalf Of *darrin
> hodges
> *Sent:* Friday, May 12, 2006 12:06 AM
> *To:* rsync at lists.samba.org
> *Subject:* random file corruption on NTFS
>
> Hi,
> We are using Rsync version 2.6.8  protocol version 29 on a winNT box to
> backup a linux (RedHat 9.0) box (same version of rsync) and everynight a
> different file on the NT server is reported as being corrupt, there are no
> errors in the rsync logs on either side.  NT Event log records:
>
> Event Type: Error
> > Event Source: Ntfs
> > Event Category: Disk
> > Event ID: 55
> > Date: 12/05/2006
> > Time: 3:05:19 AM
> > User: N/A
> > Computer: [ Deleted ]
> > Description:
> > The file system structure on the disk is corrupt and unusable. Please
> > run the chkdsk utility on the volume TESTDATA.
> >
> > For more information, see Help and Support Center at
> > http://go.microsoft.com/fwlink/events.asp.
> > Data:
> > 0000: 00 00 04 00 02 00 52
>
>
> we use BrightStor ARCserve Backup as backup software on the NT server, it
> reports:
>
> > Unable to open file. (FILE=F:\database\base_currency\country_list.frm,
> > EC=The file or directory is corrupted and unreadable.)
>
>
>
> The file reported is different every day, we have tried turning off the
> 'z' option, as that was causing an error when attempting to transfer large
> already compressed files but did not resolve  this particular problem.  We
> have noticed that the error does not occur on a FAT32  volume, is there a
> problem with rsync interacting with the NTFS?.
>
> Thanks
> Darrin.
>
>
>
>
>
>
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