by nicola for livenet research

Performance zfs

http://open-zfs.org/wiki/Performance_tuning#Alignment_Shift_.28ashift.29

http://open-zfs.org/wiki/Performance_tuning#Basic_concepts

https://github.com/zfsonlinux/zfs/blob/master/cmd/zpool/zpool_vdev.c#L108

https://www.servethehome.com/the-case-for-using-zfs-compression/

https://utcc.utoronto.ca/~cks/space/blog/linux/ForcedUTF8Filenames

https://serverfault.com/questions/74411/best-compression-for-zfs-send-recv

https://github.com/zfsonlinux/zfs/issues/692

https://www.percona.com/blog/2018/05/15/about-zfs-performance/

https://forums.freebsd.org/threads/help-with-zfs-and-block-size-alignment.46957/

choose correct value ashift

https://illumos.topicbox.com/groups/zfs/T2cf12f740806aa96-Ma3844bffd677334735f94f3d

https://wiki.orzfly.com/topics/zfs-on-linux-mount-raw-pool-image

https://www.tecmint.com/setup-iscsi-target-and-initiator-on-debian-9/

http://dalaris.com/how-to-install-zfs-and-present-a-zvol-through-iscsi-in-ubuntu-14-04/

https://linuxacademy.com/howtoguides/posts/show/topic/21208-how-to-share-your-storage-with-iscsi

https://help.ubuntu.com/lts/serverguide/iscsi-initiator.html.en

https://linux.die.net/man/8/tgtadm

https://unix.stackexchange.com/questions/132797/how-to-dd-a-remote-disk-using-ssh-on-local-machine-and-save-to-a-local-disk

understanding aio mode

https://specs.openstack.org/openstack/nova-specs/specs/mitaka/implemented/libvirt-aio-mode.html

https://blog.programster.org/zfs-record-size

==option of qemu== *

https://heiko-sieger.info/qemu-system-x86_64-drive-options/

http://people.redhat.com/pbonzini/qemu-test-doc/_build/topics/disk_005fimages.html

native or threads

https://www.reddit.com/r/VFIO/comments/9e3wwf/io_native_vs_threads_with_kvm_and_gpu_passthrough/

https://wiki.mikejung.biz/KVM_/_Xen

qemu disk with win10 performance

http://turlucode.com/qemu-disk-io-performance-comparison-native-or-threads-windows-10-version/

initramfs

https://github.com/zfsonlinux/zfs/issues/6264