How to reclaim disk space in ASM used by CRS

I installed a 3 node rac environment and assigned way to much disk space to CRS (i.e. 3 terabytes). I spoke to Oracle support about how to fix this problem and wasn't given an answer. Is there anyone who knows how I could do this. There are 3 disks 1 terabyte each. I don't want to break CRS or make things worse. What can I do?
sikyalaSenior Database AdministratorAsked:
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gheistConnect With a Mentor Commented:
Backup data and do everything from the beginning.
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sikyalaSenior Database AdministratorAuthor Commented:
I created a new diskgroup and backed up the voting files, crs, and asm spfile there. Then I dropped the diskgroup and was able to assign the 3 terabyte disks to other diskgroups
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