Currently controller picks one node and the node agent keeps on trying to
create the volume on that node. There might not be enough space available
on that node to create the volume.
The controller can try on all the nodes sequentially and fail
the request if volume creation fails on all the nodes which satisfies the
topology contraints.
Signed-off-by: Pawan <pawan@mayadata.io>
ZFS does not create the zvol if volume size is not multiple of
the volblocksize. There are use cases where customer will create
a PVC with size as 5G, which will be 5 * 1000 * 1000 * 1000 bytes
and this is not the multiple of default volblocksize 8k.
In ZFS, volblocksize and recordsize must be power of 2 from 512B to 1M,
so keeping the size in the form of Gi or Mi should be
sufficient to make volsize multiple of volblocksize/recordsize.
Signed-off-by: Pawan <pawan@mayadata.io>
