2000 server is losing data files

2000 server is losing data files

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Subject Author Date
2000 server is losing data files catsystems 02-17-2006
Posted by =?Utf-8?B?Y2F0c3lzdGVtcw==?= on February 17, 2006, 7:52 am
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Help....!!!

I don't know if this belongs here but I could not find a more relevent area
to post it

Sorry this is a bit of a long one but this is driving us nuts...!!! and I
hope it will help anybody else experiencing the same problem or at least
forewarn them if anybody has an answer.

We have a client that has both a 2000 & a 2003 server that are not on the
same network but both for some strange reason and at random times of the year
perhaps 3 or 4 just lose a whole section of their data files. eg they have a
folder called \admin of which is subfolders a,b,c,d, etc into which is
created the name of their client into which they store the relevant data for
that client all in alpahbetical order. The data typically comprises *.docs,
*.xls, *.pdf etc.

Layout:-

e:\Admin
\A
\aardvark
\ armstrong
\ etc......
\B
\barclay
\bradley
\etc.......
\C
\etc.....

For some totally unknown reason that we can not understand, a whole chunk of
this Admin folder should vanish. It has happened today where they lost
everything from Folders A to D and had to restore from tape. When this occurs
it is random as to how many folders it will zap. Sometimes 2 sometimes as
many as 12 however
the Admin folder always stays put. We have catagorically ruled out users
deleting them, Virus and any spyware influence. The only common denominator
is that most of the documents are stored with the _ (underscore) eg.
fred_jones.doc or bill_smith holidays.xls etc.

We manage a large number of servers and have never come across anything like
this and MS can offer us no help. I have only come across one other article
similar to this where the conditions were somewhat similar to that described
above. He managed to recreate the problem but had no resolution for it...

I would be most gratefull for any ideas....

Thanks in advance


Posted by Malke on February 17, 2006, 8:22 am
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catsystems wrote:

> Help....!!!
>
> I don't know if this belongs here but I could not find a more relevent
> area to post it
>
> Sorry this is a bit of a long one but this is driving us nuts...!!!
> and I hope it will help anybody else experiencing the same problem or
> at least forewarn them if anybody has an answer.
>
> We have a client that has both a 2000 & a 2003 server that are not on
> the same network but both for some strange reason and at random times
> of the year perhaps 3 or 4 just lose a whole section of their data
> files. eg they have a folder called \admin of which is subfolders
> a,b,c,d, etc into which is created the name of their client into which
> they store the relevant data for that client all in alpahbetical
> order. The data typically comprises *.docs, *.xls, *.pdf etc.
>
> Layout:-
>
> e:\Admin
> \A
> \aardvark
> \ armstrong
> \ etc......
> \B
> \barclay
> \bradley
> \etc.......
> \C
> \etc.....
>
> For some totally unknown reason that we can not understand, a whole
> chunk of this Admin folder should vanish. It has happened today where
> they lost everything from Folders A to D and had to restore from tape.
> When this occurs it is random as to how many folders it will zap.
> Sometimes 2 sometimes as many as 12 however
> the Admin folder always stays put. We have catagorically ruled out
> users deleting them, Virus and any spyware influence. The only common
> denominator is that most of the documents are stored with the _
> (underscore) eg. fred_jones.doc or bill_smith holidays.xls etc.
>
> We manage a large number of servers and have never come across
> anything like this and MS can offer us no help. I have only come
> across one other article similar to this where the conditions were
> somewhat similar to that described above. He managed to recreate the
> problem but had no resolution for it...
>
> I would be most gratefull for any ideas....
>
> Thanks in advance

That's a real puzzler. I don't suppose the data is used by any one
particular program that could be corrupting it? The reason I ask is I
have a client using a niche legal database and all their client files
on the server under "D" and "E" were completely inaccessible (not
gone). Upgrading the database solved that.

I can't imagine that the underscore naming could affect this. After all,
in the the non-Windows world that naming convention is used all the
time and bits of data don't disappear from servers.

When you say you've ruled out users deleting them, does that mean the
servers are in a locked room and only a few people have the key?

Are both servers on separate and high-quality UPS's? Although it seems
to me so unlikely that only that range of folders would disappear if
electrical problems were causing data corruption.

Malke
--
Elephant Boy Computers
www.elephantboycomputers.com
"Don't Panic!"
MS-MVP Windows - Shell/User

Posted by Kerry Brown on February 17, 2006, 12:32 pm
If you were  Registered and logged in, you could reply and use other advanced thread options
catsystems wrote:
> Help....!!!
>
> I don't know if this belongs here but I could not find a more
> relevent area to post it
>
> Sorry this is a bit of a long one but this is driving us nuts...!!!
> and I hope it will help anybody else experiencing the same problem or
> at least forewarn them if anybody has an answer.
>
> We have a client that has both a 2000 & a 2003 server that are not on
> the same network but both for some strange reason and at random times
> of the year perhaps 3 or 4 just lose a whole section of their data
> files. eg they have a folder called \admin of which is subfolders
> a,b,c,d, etc into which is created the name of their client into
> which they store the relevant data for that client all in
> alpahbetical order. The data typically comprises *.docs, *.xls, *.pdf
> etc.
>
> Layout:-
>
> e:\Admin
> \A
> \aardvark
> \ armstrong
> \ etc......
> \B
> \barclay
> \bradley
> \etc.......
> \C
> \etc.....
>
> For some totally unknown reason that we can not understand, a whole
> chunk of this Admin folder should vanish. It has happened today where
> they lost everything from Folders A to D and had to restore from
> tape. When this occurs it is random as to how many folders it will
> zap. Sometimes 2 sometimes as many as 12 however
> the Admin folder always stays put. We have catagorically ruled out
> users deleting them, Virus and any spyware influence. The only common
> denominator is that most of the documents are stored with the _
> (underscore) eg. fred_jones.doc or bill_smith holidays.xls etc.
>
> We manage a large number of servers and have never come across
> anything like this and MS can offer us no help. I have only come
> across one other article similar to this where the conditions were
> somewhat similar to that described above. He managed to recreate the
> problem but had no resolution for it...
>
> I would be most gratefull for any ideas....
>
> Thanks in advance

Have you tried auditing the folders?

http://www.microsoft.com/windows2000/en/advanced/help/default.asp?url=/windows2000/en/advanced/help/sag_SEconceptsUnAudDS.htm

Kerry



Posted by Roger Abell [MVP] on February 18, 2006, 1:52 am
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Indeed, at face value, your situation is puzzling.

As suggested, take steps to collect more info next time by
placing an inherited audit for folder delete on the area.

Does space use on the partition reflect an expected drop in
megs? What I am getting at here is whether you can rule out
a move to some (?) spot on the partition.

Characteristically a small percentage of the files are open at
any one time by the expected types of apps only for such as
doc, xls, pdf files. Is that right?

What sort of storage hardware is this on? Hardware raid?
SCSI? etc.. Chkdisk showing irregularities? Hardware level
drive info showing bad sections getting mapped out of use?
All of the above would however be a long-shot for something
that wipes only such an organized subset of the stored data.

I have been involved with moderately large-scale server-based
remote storage for, well, since around NT 3.5, and have not
seen what you describe, as described. Rather, it usually does
trace back to some process moving or deleting or is a one-off
event assumed to be as such.


> Help....!!!
>
> I don't know if this belongs here but I could not find a more relevent
> area
> to post it
>
> Sorry this is a bit of a long one but this is driving us nuts...!!! and I
> hope it will help anybody else experiencing the same problem or at least
> forewarn them if anybody has an answer.
>
> We have a client that has both a 2000 & a 2003 server that are not on the
> same network but both for some strange reason and at random times of the
> year
> perhaps 3 or 4 just lose a whole section of their data files. eg they have
> a
> folder called \admin of which is subfolders a,b,c,d, etc into which is
> created the name of their client into which they store the relevant data
> for
> that client all in alpahbetical order. The data typically comprises
> *.docs,
> *.xls, *.pdf etc.
>
> Layout:-
>
> e:\Admin
> \A
> \aardvark
> \ armstrong
> \ etc......
> \B
> \barclay
> \bradley
> \etc.......
> \C
> \etc.....
>
> For some totally unknown reason that we can not understand, a whole chunk
> of
> this Admin folder should vanish. It has happened today where they lost
> everything from Folders A to D and had to restore from tape. When this
> occurs
> it is random as to how many folders it will zap. Sometimes 2 sometimes as
> many as 12 however
> the Admin folder always stays put. We have catagorically ruled out users
> deleting them, Virus and any spyware influence. The only common
> denominator
> is that most of the documents are stored with the _ (underscore) eg.
> fred_jones.doc or bill_smith holidays.xls etc.
>
> We manage a large number of servers and have never come across anything
> like
> this and MS can offer us no help. I have only come across one other
> article
> similar to this where the conditions were somewhat similar to that
> described
> above. He managed to recreate the problem but had no resolution for it...
>
> I would be most gratefull for any ideas....
>
> Thanks in advance
>



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