2011-12-27 22:56, Nishimura, Scott L (ESS) wrote:
I'm finally about to retire one FOG and send all sessions over to a
different one. DHCP has already been changed to advertise the new IPs. How do
I force the TCs to start using the new SRSs? It appears I had to do a reboot
at the TC itself [an X display reset did not do the job].
Is there a way I can do this centrally? "utrestart -c" keeps the TCs on the
currently SRS.
There also seems to be something hosed with both original SRSs and normal "ut" commands are not
working [ie "utsession -k -t token", "utadm -f", etc].
I believe that the DTUs might retry a few times with their current
settings if they've "lost" the session, but in the end they should
powercycle "just in case" and do what you want.
So instead of a utrestart you might want to just disable the old
FOG servers and see if the DTUs fail over in about 5 minutes.
As can be found in the archives, "Starting with SRSS 4.2,
/opt/SUNWut/lib/utload takes a "-r" option that will reset
a Sun Ray remotely."
http://comments.gmane.org/gmane.os.solaris.sunray/10145
But if your UT* commands don't work, that might be tricky ;)
Possibly you can try that from the other FOG's servers though.
Also check that your DHCP actually serves updated settings
(i.e. to a DTU that you've reset manually) - perhaps something
is cached in some DHCP relay, or configs have to get committed,
or whatever? Perhaps the new FOG and DHCP and DTUs should be
in a different new dedicated VLAN so your networking switches
should be reconfigured (that happened on my colleagues once)?
Good luck,
//Jim Klimov
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