122IBM TotalStorage Enterprise Storage Server: Implementing ESS Copy Services with IBM eServer zSeries
Maximum of three subordinates with LIC 2.4.0 using Web Copy Services.
An individual Session consists some or all of the volumes in a Master and up to three
primary ESS subordinates. (Architecture allows for growth.)
Maximum of eight ESSs (in any combination of primaries and secondaries) can participate
in an Asynchronous PPRC environment using ICKDSF or MDM. (Architecture allows for
growth.)
The Asynchronous PPRC mechanism will only act upon volumes which have been added to
a Session, other PPRC volumes may still operate in any Copy Ser ...
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