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learntheropes/swap_zfs.sh

Last active July 5, 2023 03:37
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Ubuntu set swap on a zfs drive
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swap_zfs.sh
# https://askubuntu.com/questions/1198903/can-not-use-swap-file-on-zfs-files-with-holes/1198916#1198916
sudo zfs create -V 8G -b $(getconf PAGESIZE) -o logbias=throughput -o sync=always -o primarycache=metadata -o com.sun:auto-snapshot=false rpool/swap
sudo mkswap -f /dev/zvol/rpool/swap
sudo swapon /dev/zvol/rpool/swap
# Make the swap persistent after reboot
# https://www.digitalocean.com/community/tutorials/how-to-add-swap-space-on-ubuntu-20-04#step-5-making-the-swap-file-permanent
echo '/dev/zvol/rpool/swap none swap sw 0 0' | sudo tee -a /etc/fstab
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