Veritas Multipathing problem.


 
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Operating Systems Solaris Veritas Multipathing problem.
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Old 05-25-2009
Veritas Multipathing problem.

Hi,

Basically the original configuration on my Solaris 9 server was two LUNs configured as Veritas file systems that were connected to a NetApp filer (filer1). These two LUNs are still configured on the server - but are not being used. They are there as a backup just in case the new configuration fails within the next week.

I have just created two new LUNs on a NetApp filer (filer2) and configured both of them as Veritas file systems. These two filers are in a cluster configuration. The problem is that the server is connecting to filer1 through Veritas multipathing first - then connecting through the partner connection to the LUNs on filer2.

How do I point VVM for the optimal path to filer2 where the new LUNs are located? Also the server has 4 paths to one LUN and only two to the second LUN? Any ideas?

# vxdmpadm getsubpaths dmpnodename=c2t0d0s2
NAME STATE[A] PATH-TYPE[M] CTLR-NAME ENCLR-TYPE ENCLR-NAME ATTRS
================================================================================
c2t0d0s2 ENABLED PRIMARY c2 FAS3070 FILER-01 -
c2t2d0s2 ENABLED(A) SECONDARY c2 FAS3070 FILER-01 -
c3t0d0s2 ENABLED PRIMARY c3 FAS3070 FILER-01 -
c3t2d0s2 ENABLED(A) SECONDARY c3 FAS3070 FILER-01 -

# vxdmpadm getsubpaths dmpnodename=c2t2d3s2
NAME STATE[A] PATH-TYPE[M] CTLR-NAME ENCLR-TYPE ENCLR-NAME ATTRS
================================================================================
c2t2d3s2 ENABLED(A) SECONDARY c2 FAS3070 FILER-01 -
c3t2d3s2 ENABLED(A) SECONDARY c3 FAS3070 FILER-01 -

Thanks.
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