Below you will find pages that utilize the taxonomy term “Zfs”
In Jim Salter’s excellent series
of articles on ZFS, he
a potential pitfall of ZVOLs: snapshots fail unless there is enough free
space in your zpool equal to the size of the ZVOL.
One of the important tunables in ZFS is the recordsize (for normal
datasets) and volblocksize (for zvols). These default to 128KB and 8KB