Re: Backing up "stuff"

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

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)