Re: Backing up "stuff"

[Todd Gruhn <tgruhn2%gmail.com@localhost>]

OOOOH! What is 'zsyd' ,  'act' , 'btrsf' .
I have never seen these things...

On Tue, Oct 18, 2022 at 12:57 PM Todd Gruhn <tgruhn2%gmail.com@localhost> wrote:
>
> Thanks -- give me something to to do.
>
> On Tue, Oct 18, 2022 at 12:08 PM Steffen Nurpmeso <steffen%sdaoden.eu@localhost> wrote:
> >
> > Robert Elz wrote in
> >  <27074.1666095388%jacaranda.noi.kre.to@localhost>:
> >  |    Date:        Tue, 18 Oct 2022 07:03:08 -0400
> >  |    From:        Todd Gruhn <tgruhn2%gmail.com@localhost>
> >  |    Message-ID:  <CA+9Akf8rZkOYQVbG9j1_TUk78nYmoNLiZqPvxOP2fsZcNZxosg@mail.\
> >  |    gmail.com>
> >  |
> >  || DVD+DL?  I have not heard this name.
> >  || What is DVD-DL?
> >  |
> >  |Dual Layer.    Capacity about twice as much as a regular DVD (BluRay discs
> >  |hold much more however).
> >  |
> >  |Needs dual layer blank discs, and a dual layer capable writer.
> >
> > I used a (dump then BTRFS snapshot) ball splitter for years, in
> > order to save backups to VFAT; the last incarnation was
> >
> >      echo '== '$mydir': '$i' to '$target
> >      act mkdir -p "$target"
> >      act btrfs send $parent "$this" '|' \
> >         zstd -zc -T0 $ZSTD_LEVEL '|' \
> >         '('cd "$target" '&&' \
> >           echo "$this" '>' .stamp '&&' \
> >           split -a 4 -b 2000000000 -d -')'
> >
> >
> >      echo '=== '$mydir': receiving snapshot of '$snaps' files'
> >      act cat "$ball"/"$mydir"/* '|' zstd -dc '|' btrfs receive .
> >      act btrfs filesystem sync .
> >
> > Worked just fine.
> >
> > --steffen
> > |
> > |Der Kragenbaer,                The moon bear,
> > |der holt sich munter           he cheerfully and one by one
> > |einen nach dem anderen runter  wa.ks himself off
> > |(By Robert Gernhardt)