Storage Migration tools for EMC Celerra?

We are looking into options for migrating data from Solaris and HP-UX (host based) to Celerra. Rsync is what has been chosen (is this a bad choice?).We are looking at 150+ terabytes of data. What are some storage migration tools that can be used and would they be better than a host based solution. The tools need to be the same for host and target. Source is in existing Celerra Nas.
Server mount points will need to be changed twice; once when storage moves and again when server moves.
Tools need to be same versions on source and target Thanks experts!

Rhiaanon44Asked:
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arnoldCommented:
Then you should have/use the EMC SAN copy to transfer/copy the data.
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arnoldCommented:
Presumably the EMC celerra resource will be allocated to a system.
host based copy is the best.
EMC has tools to migrate data from other San's not sure whether those tools work with the host to SAN.
You should raise this question with the EMC tech.
Presumably your Solaris/HP-UX currently function as NFS shares?
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Rhiaanon44Author Commented:
Yes, NFS shares. We will be performing an rsync test. Copying a directory to a server to measure transfer time.
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Rhiaanon44Author Commented:
I have received corrected information. The data is on a Symmetrix san disk on the backend. Celerra front end. Is open replicator a better option than rsync? Is the replication celerra to celerra or symmetrix to symmetrix? Thanks!
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