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тАО03-24-2009 03:52 AM
тАО03-24-2009 03:52 AM
Can some one please provide me steps to do that?
Solved! Go to Solution.
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тАО03-24-2009 04:00 AM
тАО03-24-2009 04:00 AM
Re: Changing alternat disks
I don't understand, you are using powerpath and alternated paths (pvlinks)in your volume group setup?
couls you post a part of;
# powermt display dev=all
Regards,
Robert-Jan
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тАО03-24-2009 05:29 AM
тАО03-24-2009 05:29 AM
Re: Changing alternat disks
# vgreduce vgname pv_path_primary
# vgextend vgname pv_path_primary
Do not need to bring the system in single user mode.
rgs,
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тАО03-24-2009 05:55 AM
тАО03-24-2009 05:55 AM
Re: Changing alternat disks
PowerPath will always override the path selection with its chosen load balancing strategy.
Check the PowerPath settings instead.
MK
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тАО03-24-2009 06:31 AM
тАО03-24-2009 06:31 AM
SolutionAs people have said, LVM primary and alternate paths will not be useful when you have powerpath configured.
LVM paths will work on active passive mode. It will not do any kind of real load balancing. When active path fails it will be switched over passive paths.
Whereas in powerpath, all the I/O's will be routed through all the available paths to achieve higher throughput. It will work on active active mode.
Ganesh.