Hello,
Your question is hard to answer since you have just given how many drives you have but not what your storage will be used for. Databases, VDI application, test and dev deployment, scratch data use, etc? You have not provided enough detail as to whether you need to configure for access, swapping, large data transfers, or long term storage whihc makes the question hard to answer.
The one item that concerns me in both of your scenarios is the use of RAID5. Both configurations you have placed all available drives into RAID5 disk-groups without consideration of spares. While you design and consider your system you should also take into account that you will eventially encounter a drive failure - so build in redundancy now at the start.
I personally prefer the use of RAID6 but if your needs fit better into RAID5 then consider what your usage and application needs are and design up from there being sure to consider at least 2 spares in the configuraiton. From there I would consider what the storage is going to be used for and design to balance workload across the system.
Good luck!
Cheers,
Shawn
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