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Old 06-25-2002, 10:05 AM   #1
burningodzilla
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tar size limit


i'm trying to use tar to backup a number of directories. i tried tarring a couple that are some 7+ gb, and tar died w/ the error:
"size limit exceeded" or something similar. the resulting size both times was approx 2gb. can tar not handle creating archives > 2gb?

the man pages said nothing of a size limit!
thanks
 
Old 06-25-2002, 10:43 AM   #2
progster
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http://www.cactus.com/faq/1086.html
 
Old 06-25-2002, 04:02 PM   #3
Noerr
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what is your kernel. 2.4 supports over 2gb without problems
 
Old 06-26-2002, 01:17 PM   #4
burningodzilla
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thanks for the link - i saw that one after i posted

- as far as the problem being solved in 2.4xx kernels, i dont think that is correct, unless redhat 7.3 ships with screwed up tar. redhat 7.3 uses 2.4.18 and tar has that same limit
 
Old 06-26-2002, 03:18 PM   #5
finegan
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The limitation isn't inherent to the kernel or the GNU tar program, but is a problem of the filesystem. Ext2 only supports file sizes up to 2Gb (gotta remember how old ext2 is, 5 years? something like that). I don't know if ext3 beats the 2gb limit, but I'm pretty certain Reiser is alright, and I know XFS and JFS don't have that problem.

Cheers,

Finegan
 
Old 06-26-2002, 04:50 PM   #6
crabboy
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I've got an almost 9 gig tar file on reiser.
 
Old 06-27-2002, 07:38 AM   #7
MasterC
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Sweet, I think Ext3 allows larger. I believe I have 5GB movie file.
 
Old 06-27-2002, 09:42 AM   #8
burningodzilla
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i'm pretty sure that the fs is ext3, which would probably explain it. that fact that one has a 5gb movie file is irrelevant - ext2 allows for large files as well - just not creating tarballs > 2gb.

of course if you tarballed your movie file and it ended up as 5gb then that is relevant .

thanks crew - you all are why linux is amazing
 
Old 09-26-2002, 01:06 PM   #9
shinepuppy
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Kinda similar

Howdy folks,
I have a question about limiting the size of tarball archives. I'm developing a backup system that pulls data off remote boxen and tars and compresses them (tar -zcvf...). I want the option of burning these archives to a cdrom, so they should be limited to about 650 megs a pop. I am pretty sure i've read that tar can tell when it's reached a size limit, close off the archive, and start a new one; but for the life of me I can't find the article!! Can anybody shed some light on the subject?

Thanks a million,
shinepuppy
 
  


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