Product : DataCore, SSY [SDS]/10.0 PSP8, x86
Feature : Task Offloading, Performance, Data Services
Content Owner:  Herman Rutten
Summary
vSphere: VMware VAAI-Block (full)
Hyper-V: Microsoft ODX; Space Reclamation (T10 SCSI UNMAP)
Details
DataCore SANsymphony iSCSI and FC are fully qualified for all VMware vSphere VAAI-Block capabilities that include: Thin Provisioning, HW Assisted Locking, Full Copy, Block Zero

Note: DataCore SANsymphony does not support Thick LUNs.

DataCore SANsymphony is also fully qualified for Microsoft Hyper-V 2012 R2 and 2016 ODX and UNMAP/TRIM.

Note: ODX is not used for files smaller than 256KB.

VAAI = VMware vSphere APIs for Array Integration
ODX = Offloaded Data Transfers

UNMAP/TRIM support allows the Windows operating system to communicate the inactive block IDs to the storage system. The storage system can wipe these unused blocks internally.