I've installed Linux Mint using the ZFS option, and I find the default layout provided by the installer is really not good (rationale below) so I had to customize /usr/share/ubiquity/zsys-setup to produce something more usable.
script: zsys-setup
diff: zsys-setup.diff
And I think it would be good to contribute those changes upstream. I'd need to clean up the script a bit, but is anyone here interested in that? Is this the correct place to submit?
Why did I have to make changes to the ZFS layout?
For context, the default layout is
fat32 EFI 512 MiB
linux-swap 2 GiB
zfs bpool 2 GiB
zfs rpool rest of disk
This is not good because (and this is the only downside of ZFS) it's not possible to resize ZFS partitions. So if you want to add more swap or dual boot, you can't. You're stuck. So I changed zsys-setup to produce this for my 2TiB NVMe drive:
fat32 EFI 512 MiB
zfs bpool 2 GiB
zfs rpool 500 GiB
linux-swap 2 GiB
unallocated rest of disk
This leaves a bunch of unallocated space to be used how you wish. And if you want all that space in the rpool, you can easily create a second vdev and attach it to the rpool. In my case this is how I used the space:
fat32 EFI 512 MiB
zfs bpool 2 GiB
zfs rpool 500 GiB
zfs rpool(vdev2) 1.25 TiB
zfs SLOG(hdd) 32 GiB (SLOG for hdd pool separate from rpool)
linux-swap 64 GiB
I've installed Linux Mint using the ZFS option, and I find the default layout provided by the installer is really not good (rationale below) so I had to customize
/usr/share/ubiquity/zsys-setupto produce something more usable. script: zsys-setup diff: zsys-setup.diffAnd I think it would be good to contribute those changes upstream. I'd need to clean up the script a bit, but is anyone here interested in that? Is this the correct place to submit?
Why did I have to make changes to the ZFS layout?
For context, the default layout is
This is not good because (and this is the only downside of ZFS) it's not possible to resize ZFS partitions. So if you want to add more swap or dual boot, you can't. You're stuck. So I changed zsys-setup to produce this for my 2TiB NVMe drive:
This leaves a bunch of unallocated space to be used how you wish. And if you want all that space in the rpool, you can easily create a second vdev and attach it to the rpool. In my case this is how I used the space: