Reclaim SAN space


I have a Dell PowerVault MD feeding a bunch of servers through iSCSI. At one point I had to give 20Gb extra space to one of the servers due to some backup issues. Now I want to reclaim the space in the SAN drive so I can use it for other servers. I shrunk the volume in the server and now the 20Gb sit there as unallocated space. How do I get it back into the SAN drive as empty space?

SAN server is a W2k8 R2 machine and the server is a 2012 server.

Thank you!
Alan DalaITAsked:
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andyalderSaggar maker's framemakerCommented:
MD what? Latest MD3220i does have a shrink option but only for thin provisioned volumes and there's always the possibility that you accidentally cut the tail off the end of the filesystem and blow the data away. Recommended is to create a new LUN and move the data to that, then delete the old one.

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Alan DalaITAuthor Commented:
Thank you for your response.

This is a MD1000. I'm not even sure if there is an option for a new LUN. It might just be the Dell OpenManage and creating a new virtual disk as far as I know.

andyalderSaggar maker's framemakerCommented:
MD1000 is DSA, used either with a RAID controller with external ports or presumably in this case as an expansion unit to a MD3000i. There is no shrink option on a MD3000i, you have to delete the LUN and create a smaller one then put the data back.
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