ZFS
If you do this, you will break something. DO NOT run production on this SR. If you do, I hope you trust your backups.
Install/enable ZFS on your hosts
On each host that you want to run ZFS:
yum install --enablerepo="xcp-ng-extras" blktap vhd-tool
Install ZFS packages built for XCP-ng: (check version)
yum install --enablerepo="xcp-ng-extras" kmod-spl-4.4.0+10 kmod-zfs-4.4.0+10 spl zfs
Enable the module with
depmod -a && modprobe zfs
.
Create a new ZFS pool:
Create the new SR.
Disable sync.
zfs set sync=disabled tank