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Powerpath upgrade with SVM disksets

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Operating Systems Solaris Powerpath upgrade with SVM disksets
# 1  
Old 09-29-2013
Powerpath upgrade with SVM disksets
Hi all
I am running the following hardware:
2 SUN Solaris 10 machines
They are connected to EMC clarion LUNs
We are running a Sun Cluster 3.2 managing both nodes
We are using Solaris Volume Manager to handle the shared storage for the cluster. It is using a number of named disk sets that is shared among both hosts.

Now the situation is as follows:
We are upgrading the storage from Clarion to VMax. The storage admin will handle data replication so that the new luns are exactly the same. The only problem at hand is that the PowerPath software will be updated which means that the luns will have new IDs.
I need to change the hardware IDs of the diskset disks to reflect the new hardware address provided that they still have their same DID.
How can i do that? can i edit some file and change the hardware address or should i attach the new disk and remove the old one? and if so how can i retain the same DID?
thanks a lot in advance
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LEARN ABOUT OPENSOLARIS

clprivnet

clprivnet(7)					     Sun Cluster Device and Network Interfaces					      clprivnet(7)

NAME

       clprivnet - SUNW,clprivnet Sun Cluster private network driver

SYNOPSIS

       /dev/clprivnet

DESCRIPTION

       Note -

	 Beginning  with  the Sun Cluster 3.2 release, Sun Cluster software includes an object-oriented command set. Although Sun Cluster software
	 still supports the original command set, Sun Cluster procedural documentation uses only the object-oriented command set. For more  infor-
	 mation about the object-oriented command set, see the Intro(1CL) man page.

       The  SUNW,clprivnet  Sun  Cluster  private  network driver is a STREAMS pseudo driver supporting Sun Cluster resident applications that use
       standard Solaris interfaces to communicate over the Sun Cluster private network. By striping data traffic over all links, this driver opti-
       mally utilizes the bandwidth of the private network while supporting highly available, software fault-tolerant communication.

APPLICATION PROGRAMMING INTERFACE

       The driver is supported by the character-special device /dev/clprivnet, but is reserved for Sun Cluster internal operation and the standard
       Solaris network utilities. This interface must not be directly used for general application communication.

ADMINISTRATION

       The administration and configuration of the driver as a network interface is done completely by the Sun Cluster infrastructure internals.

FILES

       /dev/clprivnet

	   clprivnet special character device

       /usr/kernel/drv/clprivnet.conf

	   System-wide default device driver properties

Sun Cluster 3.2 						    05 Sep 2007 						      clprivnet(7)