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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

cl_eventd

cl_eventd(1M)						   System Administrator Commands					     cl_eventd(1M)

NAME

       cl_eventd - Cluster event daemon

SYNOPSIS

       /usr/cluster/lib/sc/cl_eventd [-v]

DESCRIPTION

       The cl_eventd daemon is started at boot time to monitor system events that are generated by other cluster components. This daemon also for-
       wards these events to other cluster nodes. Only the events of class EC_Cluster are forwarded to other cluster nodes.

OPTIONS

       The following option is supported:

       -v	    Send additional troubleshooting and debugging information to syslogd(1M).

FILES

       /usr/cluster/lib/sc/cl_eventd	   Cluster event daemon

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       syseventd(1M), syslog(3C)

NOTES

       The cl_eventd daemon does not provide a publicly accessible interface.

Sun Cluster 3.2 						    5 May 2006							     cl_eventd(1M)