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RAID 0+1 using MacPro RAID Card

209 Views 1 Reply Latest reply: May 15, 2012 9:21 PM by Camelot RSS
dvassallo Level 1 Level 1 (0 points)
Currently Being Moderated
May 15, 2012 8:28 PM

Currently building a server to host approximatley 300 User Home Directories (roaming). Two other servers handle OD (one master and one replica) and DNS. As the MacPro RAID Card only supports RAID 0,1,5 and 0+1...I am wondering what the reccomended RAID level is for the server that will host the User Homes. Ideally, I would prefer a RAID 10 using the 4 installed disks. Since, this is not an 0+1 going to provide the best performance? Performance is the biggest consideration, both RAID 5 and 0+1 provide sufficient fault tolerance and capacity is not a concern. Thoughts? Suggestions? Experiences? Will RAID 0+1 provide a signifficant performance increase over RAID 5 in this type of scenario? Any official documentation pointing to one over the other? Thank you!

  • Camelot Level 8 Level 8 (45,670 points)
    Currently Being Moderated
    May 15, 2012 9:21 PM (in response to dvassallo)

    The choice of RAID is largely personal, and based on more factors than you've mentioned here, so it's hard to be precise.


    RAID 0+1 will generally give you better performance than RAID 5, especially in writes, so if capacity isn't your issue then that would be a good choice.


    For most applications the performance difference between RAID 1+0 and 0+1 isn't that great. For home directories you're still likely ro be throttled by your network bandwidth more than your disk bandwidth so it's not worth worrying about.


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