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-   -   tar + gzip/bzip2 with big file size limitation/solution (https://www.linuxquestions.org/questions/linux-newbie-8/tar-gzip-bzip2-with-big-file-size-limitation-solution-935828/)

limdel 03-22-2012 03:34 AM
tar + gzip/bzip2 with big file size limitation/solution
 
I'm looking to compress a folder containing multiple big files (.vmdk files), over 100GB.

my first attempt was:
Code:
>tar -jcvf myfolder.tar.bz2 myfolder
but returned:
Code:
tar: can't store file 'myfolder/myvm-flat.vmdk' of size 107374182400, aborting
Since i want to have a single compressed file, i've heard about the option "-M" and "-F" on tar man pages but can't found any sample command line.

Anyone already used those options ?

Thanks

PS: the system is BusyBox v1.16.1 ("uname -prosi" return: Linux 2.6.32.12 unknown unknown GNU/Linux)

pan64 03-22-2012 06:34 AM
just a tip: tar needs a temp space to store the tar file (before bzip2), maybe you do not have enough space in /tmp?

chrism01 03-22-2012 07:47 PM
It could be a 32 bit limit (2GB signed or 4GB unsigned), but it appears to be hard to tell from your uname output.
Can you find out if its 32 or 64 bit?

limdel 03-24-2012 10:29 AM
Hi Guys

Thanks for reply.
The system is a 32bit SYNOLOGY NAS

df return
Code:
Filesystem                Size      Used Available Use% Mounted on
/dev/md0                  2.3G    494.3M      1.8G  22% /
/tmp                    496.5M      7.5M    488.9M  2% /tmp
/dev/md2                  7.1T      3.0T      4.1T  42% /volume1
@pan64: tar isn't supposed to write on disk once buffer is full ?

I will try on a biggers 64bit debian system and post result later.

If anyone have soem other idea !

Thanks


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