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multipathing
Dears,
For migration purpose [from IBM to DMX array], I have mapped/masked the AIX host HBAs to both IBM and DMX arrays. The host is currently attached to IBM and using data path [vpath] multipathing software of AIX. And, for DMX devices, I am planning to install power path multipathing software.
Now the concern is
-whether powerpath will be used only for DMX luns OR even for existing IBM LUNs.
- If only be used to access DMX devices, it should be fine.
- Is there anyway I can configure power path only for DMX LUNs not disturbing existing vpath to IBM LUNs?
I prefer not to disturb the existing vpath and configure power path only to DMX luns
Please share your expertise
cheers
dynamox
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February 24th, 2010 19:00
What type of IBM array ?
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wishtobeMrEMC
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February 24th, 2010 19:00
dynamox
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February 24th, 2010 20:00
Take a look at page 34, PowerPath should detect 3rd party software and will try not to manage that array
https://powerlink.emc.com/nsepn/webapps/btg548664833igtcuup4826/km/live1/en_US/Offering_Technical/Technical_Documentation/300-008-341.pdf
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wishtobeMrEMC
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February 24th, 2010 22:00
thanks dynamox .. as per the pdf, powerpath can co-exist but cant co-manage with third party multi-path software .. And, only for ESS, i have to run this command 'powermt manage class=ess' . But , for DS8000, it will disable the support for it during installation of powerpath.
So in my case, both vpath and powerpath can co-exist and support IBM DS8000 and DMX respectively , correct?
cheers
dynamox
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February 25th, 2010 03:00