Tell me, is there a way to skip ZFS file system cache or tell me is
there a way to do direct IO on ZFS file system?
No, currently there is no way to disable file system cache aka ARC in ZFS.
There is a pending RFE though,
6429855 Need way to tell ZFS that caching is a lost cause
Mastan,
Import/Export are pool level commands whereas mount/unmount are
file system level commands, both serving different purposes.
You would typically 'export' a pool when you want to connect the
storage to a different machine and 'import' the pool there for
subsequent use in that machine,
Hi Duff,
... I expect vdev selection is a simple algorithm
that rotates through vdevs with some additional logic to handle the case
where the vdev is full.
The vdev selection policy is in metaslab_alloc_dva(). You are right that
it is a simple algorithm that rotates through the vdevs. Apart