How can I create a multipart tar file in Linux?
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Related How to split a tar file into smaller parts at file boundaries?– Sathyajith Bhat ♦Oct 13, 2010 at 0:15
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1Similar, but not the same. The linked question @Sathya points to is more complex and requires a more complicated solution.– Ian C.Oct 13, 2010 at 19:46
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3 Answers
You can use the split command to split an archive in to multiple files. For example, if I wanted my archive stored in 1 MByte files:
tar -cvf - <stuff to put in archive> | split --bytes=1m --suffix-length=4 --numeric-suffix - myarchive.tar.
And when I want to recombine and untar:
cat myarchive.tar.* | tar xvf -
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GNU Tar natively supports multiple volumes. There are many options, the one I found neat was
tar --create --multi-volume --file=/tmp/file1.tar --file=/tmp/file2.tar files_to_archive
size can be specified via -L (tape-length)
It does not support compression in this manner however, so you would have to seperately do that. "tar: Cannot use multi-volume compressed archives"
Use tar c to create the tar archive, and specify the k size-in-kbytes parameter to control the maximum size of each part. You'll end up with ((original size)/(part size) + 1) parts.
answered Oct 13, 2010 at 0:15
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Where did you get the "k size-in-kbytes parameter"? Can't seem to find it on Linux.– sleskeOct 13, 2010 at 0:30
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