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ONTAP Discussions
Can a S550 be the secondary storage for OSSV?
Having a quick scan through the tech pages
http://now.netapp.com/NOW/knowledge/docs/s_family/software/html/software/iag_svmanager/index.htm
I would put my money on no. However it maybe worth phoning your account manager.
The S family does not support the SnapVault secondary license, which means it cannot currently be an OSSV target. That's something we plan to change in the future. What's the use case where you'd like to do this?