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Backup to disk hitting NTFS 4GB limit

Posted on 2001-09-08
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Last Modified: 2008-01-16
I thought I'd be clever and backup 2kPro a lot faster than tape to a spare hard drive I had laying around.  The trick is, I've run up against the NTFS 4GB single file limit and the idiot-proof backup routine that MS tosses in with 2kPro as a freebie refuses to move on to another file name after that limit.  Specifically, it says: "Cannot swap fixed media".  

No kidding...  Is there a way around this, or am I out of luck without getting some third party backup program, in which case I'll just continue with the slow tapes.  Points to whoever feels like digging through MS's website for proof it can't be done or someone who has figured a way to trick the thing.

Thanks for any help,
magarity
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Question by:magarity
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13 Comments
 
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by:jhance
ID: 6467009
I think you are mistaken about NTFS.  The limit on file size is 2^64 bytes which is FAR MORE than 4G.  I think you are running into a FAT limitation.  The destination drive is FAT and it is true that FAT limits the MAX file size to 4G.
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jhance earned 50 total points
ID: 6467011
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by:jkr
ID: 6467051
>>The trick is, I've run up against the NTFS 4GB single >>file limit

Slightly OT, but: The NTFS file size limit (theoretically) is 4TB (*Tera*Bytes) - 4GB applies to FAT/FAT32.
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by:jkr
ID: 6467052
Ooops, sorry jhance, didn't mean to 'parrot' - I had the brower window open for too long :o)
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by:jhance
ID: 6467086
Actually, 4TB ( as large as that is) is still not approaching 2^64 which is NTFS maximun file size.  

4TB is 4000GB or 4 x 10^12 bytes.  2^64 is 18 x 10^18 or more than 6 orders of magniude larger.  Either way, it's one heckuvalot of storage.  

It's going to be at least another year before 1TB drives are installed in desktop machines....
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by:jhance
ID: 6468305
magarity,

Did you fall off a cliff or something?  

It's not like you to be away for so long.....
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by:magarity
ID: 6468520
"It's not like you to be away for so long."

The morning after backing up the boot partition and fighting over the miscellaney applications partition, the drive crashed in a bad way...  "unknown SMART error" and now doesn't even detect.  Warranty time...  at least I have my installation parition backed up with drivers, netscrape, email, etc.  So much for all my saved games.

Meanwhile, I THOUGHT I had formatted all my drives with NTFS, but you're right, that extra drive was really FAT32.  Doh!  The question is academic until IBM sends a new drive, but how do you backup with the freebie backup routine when it insists that you can't swap fixed disks.
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by:alexgreen
ID: 6786047
Please Pick up your A grade & 300 Points

http://www.experts-exchange.com/jsp/qShow.jsp?ta=hardgen&qid=20261093 
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by:jhance
ID: 6786056
magarity,

How about closing this question while you're at it?
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by:magarity
ID: 6786124
Well, I still can't get it to backup, but I'll close this question in an attempt to avoid this constant harrassment from 'alexgreen'.
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by:jhance
ID: 6786138
He can harrass me ANYTIME like he's "harrassing" you!!
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by:magarity
ID: 6786199
He's a condescending jerk.  That's OK, I won't have my blood pressure raised by him any more...

Tools > Filters > New Filter:  If {text of message} contains {"comment has been added by alexgreen"} then {delete message}
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by:alexgreen
ID: 6786371
jhance

have a look at
http://www.experts-exchange.com/jsp/qShow.jsp?ta=hardgen&qid=20259568

I try to do magarity a favour because I feel that he's been hard done by, especially after he moaned about me getting the points when he should have, then he gives me all this crap!

I don't know why I bother to be nice!

you'd have thought I was trying to kill him or something, I thought that it was a sensible gesture to diffuse him, I think it backfired!

oh well, off to delete the points question!
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