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We have a Mac server (10.7) with a 200TB disk array. We're trying to decide between HFS+ and the unsupported ZFS. Which should we use, why, and is there another choice that we haven't considered?

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closed as not constructive by Ben Pilbrow, dyasny, RobM, John Gardeniers, Tom O'Connor Feb 15 '12 at 0:58

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"(Un)Supported" would seem to be the key word here. If you end up with data loss/corruption from using an unsupported filesystem, Apple will likely tell you to get lost and use the FS that ships with the OS. –  James O'Gorman Feb 14 '12 at 21:45
    
I agree with @JamesO'Gorman. I love ZFS but it's not a good idea to do anything that the vendor considers unsupported (unless you're comfortable with the potential consequences). –  Mike B Feb 14 '12 at 21:47
    
We are a CS department and have been using ZFS on another server for more than a year without incident. I wonder who it was who felt the need to down vote my question. Apple doesn't even support 200TB on a server. –  vy32 Feb 14 '12 at 21:57
    
How good is your backup system? How much down-time can you afford if that system dies, and you need to do a restore? –  Zoredache Feb 14 '12 at 22:05
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@tonny Do what our compsci department did. Use FreeBSD and zfs. –  sysadmin1138 Feb 14 '12 at 22:39
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If I read this correctly, there is no practical limit the the size of filesystem you can create with HFS Plus. ZFS is unsupported, so unless you're using this for a throwaway scratchpad, your only choice is HFS plus.

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