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2 Sun Enterprise 10000 DR Configuration Guide • May 2002
DR Models
There are two models of DR available for the Sun Enterprise 10000 system. DR
model 2.0 is sometimes referred to as “legacy DR,” and DR model 3.0 is referred to
as “next generation DR.” The following table shows the different versions of the
Solaris operating environment and the SSP software that are used with DR models
2.0 and 3.0:
Domains running version 9 of the Solaris software support only DR model 3.0, and
version 3.5 of the SSP software is required.
Only one model of DR can run within a domain at a time. To check the version of
DR that is running, use the domain_status command with its -m option (available
only on domains running version 3.5 of the SSP software). Make sure to verify the
DR model before you execute any DR commands. The following is an example of the
domain_status(1M) output. The DR-MODEL column indicates which model is
enabled
According to this output, domain A is running Solaris version 8 software (OS 5.8)
with DR model 2.0 enabled; domain B is running Solaris version 8 software with DR
model 3.0 enabled; domain C is running Solaris version 7 software (OS 5.7) with DR
model 2.0 enabled; and domain D is running Solaris version 9 software (OS 5.9) with
DR model 3.0 enabled.
Only certain commands are available in each model, and if you execute a command
that is not supported, an error message appears on the console.
DR Model Solaris Software Versions SSP Software Versions
2.0 Solaris 5.1, 6, 7, and 8 3.3, 3.4, or 3.5
3.0 Solaris 8 10/01 and 02/02,
Solaris 9
3.5 only
# domain_status -m
DOMAIN TYPE PLATFORM DR-MODEL OS SYSBDS
A Ultra-Enterprise-10000 all-A 2.0 5.8 2
B Ultra-Enterprise-10000 all-A 3.0 5.8 3 4
C Ultra-Enterprise-10000 all-A 2.0 5.7 5 6
D Ultra-Enterprise-10000 all-A 3.0 5.9 7