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SPARC Enterprise Mx000 Servers XSCF User’s Guide • August 2009
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SPARC64 VII Enhanced Mode – All boards in the domain must contain only
SPARC64 VII processors. In this mode, the server utilizes the new features of
these processors. Domain 0 in
FIGURE 2-9
corresponds to this mode.
To check the CPU operational mode, execute the
prtdiag
(1M) command on the
Solaris OS. If the domain is in SPARC64 VII Enhanced Mode, the output will display
SPARC64
-
VII
on the
System Processor Mode
line. If the domain is in SPARC64 VI
Compatible Mode, nothing is displayed on that line.
By default, the Solaris OS automatically sets a domain’s CPU operational mode each
time the domain is booted based on the types of processors it contains. It does this
when the
cpumode
variable – which can be viewed or changed by using the
setdomainmode
(8) command – is set to
auto
.
You can override the above process by using the
setdomainmode
(8) command to
change the
cpumode
from
auto
to
compatible
, which forces the Solaris OS to set
the CPU operational mode to SPARC64 VI Compatible Mode on reboot. To do so,
power off the domain, execute the
setdomainmode
(8) command to change the
cpumode
setting from
auto
to
compatible
, then reboot the domain.
DR operations work normally on domains running in SPARC64 VI Compatible
Mode. You can use DR to add, delete or move boards with either or both processor
types, which are all treated as if they are SPARC64 VI processors.
DR also operates normally on domains running in SPARC64 VII Enhanced Mode,
with one exception: You cannot use DR to add or move into the domain a system
board that contains any SPARC64 VI processors. To add a SPARC64 VI processor you
must power off the domain, change it to SPARC64 VI Compatible Mode, then reboot
the domain.
In an exception to the above rule, you can use the DR
addboard
(8) command with
its
-c reserve
or
-c assign
option to reserve or register a board with one or
more SPARC64 VI processors in a domain running in SPARC64 VII Enhanced Mode.
The next time the domain is powered off then rebooted, it comes up running in
SPARC64 VI Compatible Mode and can accept the the reserved or registered board.
Содержание Sun SPARC Enterprise M3000
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