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6
ESS Introduction and Planning
You can access ESS Specialist from your own workstation if you connect the
ESSNet into your intranet by using one of the ports on the ESSNet hub. If you use
your own workstation IBM recommends at least 128MB of memory in the
workstation. You can access the ESS Specialist by using a browser that is fully
enabled for Java(TM) 1.1.x. The ESS Specialist supports the following browsers:
v Netscape Navigator Version 4.04 or greater, which supports Windows NT and
Windows 95.
Note: Version 4.04 requires Java 1.1 fixpack; later versions such as 4.5 may not
require this fixpack.For better web performance, IBM recommends using
Netscape Navigator Version 4.5.1 or greater.
v Microsoft Internet Explorer (MSIE) Version 4.0 or greater, which supports
Windows NT and Windows 95.
Note: Version 4.0 requires Service Pack 1.
The ESSNet PC is pre-loaded with current release levels of Microsoft Internet
Explorer and Netscape Navigator.
If you do not choose to attach ESSNet into your intranet, you can only access ESS
Specialist from a browser on the ESSNet workstation.
You must provide another network connection to the remote ESS through ESSNet
hubs for Copy Services support.
IBM updates ESS Specialist and ESS Copy Services through engineering changes
(ECs).
ESS Specialist
The ESS includes the ESS Specialist. The ESS Specialist is a Web-based interface
that allows you to configure the ESS.
From the Web interface, you can perform the following tasks:
v Monitor error logs
v View and change the configuration:
– Add or delete SCSI and fibre-channel host systems
– Configure SCSI host ports and fibre-channel host ports on the ESS
– Define controller images for System/390
– Define fixed-block (FB) and count-key-data (CKD) disk groups
– Add FB and CKD volumes
– Assign volumes to be accessible to more than one host system
– Change volume assignments
v Change and view communication resource settings, such as electronic mail
(e-mail) addresses and telephone numbers
v Authorize user access
With the ESS Specialist, you can view the following information:
v The external connection between a host system and an ESS port
v The internal connection of SCSI ports and fibre-channel ports to cluster 1 or
cluster 2
v The allocation of storage space to FB and CKD volumes
IBM updates the ESS Specialist through licensed internal code (LIC) updates.
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