Discussion, talk and tips
https://forum.puppylinux.com/
Have done some research on ZFS.
Looks like it is for entire hard drive, and not partitions.
Too bad.
That leaves BtrFS for a more stable file system.
Can puppy linux use BtrFS partitons instead of ext4?
QuickPup64 supports BTRFS
Fatdog can also create and use Btrfs savefiles, compressed or not.
http://distro.ibiblio.org/fatdog/web/faqs/boot-options.html wrote:btrfscompress=[zlib|lzo|zstd]
This is an optional boot parameter that tells Fatdog64 to enable compression on btrfs-formatted savefile. Both zlib and zstd (the latter since kernel v5.1) can have an optional compression level, zlib 1-9 and zstd 1-15, e.g.: "btrfscompress=zlib:5". Note that if you use this parameter, the specified compression will be enabled on all btrfs devices mounted by init.
I've been using the same savefile (8GiB, Btrfs, ZSTD compressed and LUKS encrypted; migrated from a previous ext4 savefile) for about two years now, so I can say it's pretty stable.
Greetings!
Most Puppy versions are going to need you to install the programs to support btrfs.
Most will need you to install:
btrfs-progs
There is also:
btrfs-tools
Depending on the Puppy version,
Some of the programs for manipulating stuff in a file system, may or may-not have built in support for btrfs.