multi-volume archives

Victor Sudakov vas at
Sat Sep 21 18:22:53 UTC 2019

MJ wrote:
> >
> > Which is now the most convenient way to create multi-volume archives? To
> > fit an archive on a FAT32 flash drive, a volume size should not exceed 4g.
> >
> > I have traditionally used "tar | split" to pack, then "cat | tar" to
> > unpack. But split is very slow, and generally this way is clumsy.
> >
> > I don't want to use "zip -s" either, because I think zip does not
> > preserve symlinks, hardlinks, permissions... to cut a long story short,
> > I don't believe in zip as a Unix archiver.
> >
> > Any more ideas?
> Hi Victor,
> If you don't like zip, what about 7zip? It has volumes which allow you to break it up on the fly into parts

Hmm, maybe 7z in tar mode. It does not preserve permissions in 7-zip mode.

> Whether this is overall faster than tar|split is unknown.

"7z a -ttar -v2G" seems indeed faster than tar|split

I just don't know if its tar format can be trusted to preserve the metadata. 

Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
2:5005/49 at fidonet
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 455 bytes
Desc: not available
URL: <>

More information about the freebsd-questions mailing list