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See the IBM Enterprise Storage Server Host Systems Attachment Guide for
information on the ESS command line interface (CLI) for open system hosts. You
can use the command-line interface from your host system to invoke PPRC and
FlashCopy.
See "FlashCopy and PPRC restrictions for open system hosts" on page 18 for
additional information about PPRC and FlashCopy.
Feature codes for FlashCopy
Order the capacity you need for your System/390 hosts, SCSI, and fibre-channel
attached host systems by using the following feature codes:
1830
1831
1832
1833
1834
1835
Feature codes for Extended Remote Copy (XRC)
Order the Extended Remote Copy feature for the total capacity you need using the
following feature codes:
1810
1811
1812
1813
1814
1815
Feature codes for peer-to-peer remote copy
Order the capacity you need for your System/390 hosts, fibre-channel, and SCSI
attached host systems for both the primary and secondary ESS. Use the following
feature codes:
1820
1821
1822
1823
1824
1825
Guidelines for enabling and using ESS Web Copy Services
This section gives an overview of ESS Copy Services followed by the guidelines for
enabling and using ESS Web Copy Services.
OS/390
You can access and control ESS Copy Services functions from OS/390 host
systems with OS/390 DFSMS. Alternatively, you can access and control ESS Copy
Services functions for OS/390 host systems using the ESS StorWatch Web Copy
Up to 0.5 TB
Up to 1 TB
Up to 2 TB
Up to 4 TB
Up to 8 TB
Larger than 8 TB
Up to 0.5 TB
Up to 1 TB
Up to 2 TB
Up to 4 TB
Up to 8 TB
Larger than 8 TB
Up to 0.5 TB
Up to 1 TB
Up to 2 TB
Up to 4 TB
Up to 8 TB
Larger than 8 TB
Chapter 2. Planning the physical configuration
41
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