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тАО01-03-2002 02:02 AM
тАО01-03-2002 02:02 AM
I have two D370 with Dual CPU's which are under ServGuard, if a single CPU fails on the primary node will this cause the node to fail over.
I beleive that the node will fail over but would like confirmation, as I am a bit of a newbie where SG is concerened, I am sure if you lose a single CPU this would cause an Abend and fail the machine.
Any help would be appreciated, I just need to clarify the info.
Kev
Solved! Go to Solution.
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тАО01-03-2002 02:11 AM
тАО01-03-2002 02:11 AM
Re: CPU Failure on a node with dual CPU
Not the node but the packages running on the node can be configured to fail over. if you issue a:
#cmviewcl
take a look at the PKG_SWITCH. check if it is enabled for all packages.
check the /etc/cmcluster/
(NODE_NAME)
can contain more than one entry
to alter PKG_SWITCH use cmmodpkg command.
to alter node in cfg file add it with vi and cmcheckconf, cmapplyconf.
Hope this will help,
Gideon
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тАО01-03-2002 03:33 AM
тАО01-03-2002 03:33 AM
SolutionI would expect the D class to crash in the event of a CPU failure with some sort of HPMC.
Depending on the type of fault and which CPU failed, it may or may not reboot.
Any packages configured to failover will do so.
Regards,
John
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тАО01-03-2002 03:45 AM
тАО01-03-2002 03:45 AM
Re: CPU Failure on a node with dual CPU
Between the two replies I think I have now got the answer I was looking for, I was almost certain that the D class would fail and the packages would be transfered to the remaining node but needed clarification.
Have a great 2002
Kev
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тАО01-03-2002 05:30 AM
тАО01-03-2002 05:30 AM
Re: CPU Failure on a node with dual CPU
For your information, new products like vPARS (Virtual Partitioning) allow the administrator to run multiple operating systems on the rp5470 (L3000) and rp7400 (N4000) servers - alleviating an entire server crash. To learn more about such products, check out this page:
http://docs.hp.com/hpux/11i/index.html - near the bottom: Virtual Partitions