IBM DS8900F, Введение и руководство по планированию, Страница: 88 / 172

Table 38. z-synergy Services license feature codes (continued)
Feature Code Feature code for licensed function indicator
8354 zsS - 75 TB (from 500.1 to 1250 TB capacity)
8355 zsS - 175 TB (from 1250.1 TB to 3000 TB capacity)
8356 zsS - 300 TB (from 3000.1 TB to 6000 TB capacity)
8360 zsS - 500 TB (from 6000.1 TB to 10,000 TB capacity)
z-synergy Services license rules
A z-synergy Services license is required for only the usable capacity that is configured as count key data
(CKD) arrays for use with IBM Z host systems.
Note: If z/OS Distributed Data Backup is being used on a system with no CKD arrays, a 10 TB z-synergy
Services license must be ordered to enable the FICON attachment functionality.
High Performance FICON for z Systems
High Performance FICON for z Systems (zHPF) is an enhancement to the IBM FICON architecture to
offload I/O management processing from the z Systems channel subsystem to the DS8900F Host Adapter
and controller.
zHPF is an optional feature of z Systems server and of the DS8900F. Recent enhancements to zHPF
include Extended Distance Facility zHPF List Pre-fetch support for IBM DB2
®
and utility operations, and
zHPF support for sequential access methods. All of DB2 I/O is now zHPF-capable.
IBM HyperPAV
IBM HyperPAV associates the volumes with either an alias address or a specified base logical volume
number. When a host system requests IBM HyperPAV processing and the processing is enabled, aliases
on the logical subsystem are placed in an IBM HyperPAV alias access state on all logical paths with a
given path group ID.
Parallel Access Volumes
The parallel access volumes (PAV) features establish the extent of IBM authorization for the use of the
parallel access volumes function.
Parallel Access Volumes (PAVs), also referred to as aliases, provide your system with access to volumes
in parallel when you use an IBM Z host.
A PAV capability represents a significant performance improvement by the storage unit over traditional
I/O processing. With PAVs, your system can access a single volume from a single host with multiple
concurrent requests.
Transparent cloud tiering
Transparent cloud tiering provides a native cloud storage tier for IBM Z environments. Transparent cloud
tiering moves data directly from the storage system to cloud object storage, without sending data through
the host.
Transparent cloud tiering provides cloud object storage (public, private, or on-premises) as a secure,
reliable, transparent storage tier that is natively integrated with the storage system. Transparent cloud
tiering on the storage system is fully integrated with DFSMShsm, which reduces CPU utilization on the
host when you are migrating and recalling data in cloud storage. You can use the IBM Z host to manage
transparent cloud tiering and attach metadata to cloud objects.
The storage system supports the OpenStack Swift and Amazon S3 APIs. The storage system also
supports the IBM TS7700 as an object storage target and the following cloud service providers:
• Amazon S3
74 IBM DS8900F: DS8900F Introduction and Planning Guide