Hi, I recently bought a 2012 Mac Pro tower. I added a PCIe card that holds an SSD, on which I have Mavericks loaded. I plan to fill the 4 internal drive bays with 3-TB Seagate Barracuda HDDs. I am looking into creating a RAID set, probably with Disk Utility, on which I would put my home directory. I have not played around with RAID in Disk Utility yet, since I don't want to waste a lot of time before I know more about what I'm doing, so first I have a few questions.
I thought that Disk Utility only offered RAID 0 (striping) or RAID 1 (mirroring), but an Apple Support document on the web also mentions RAID concatenation and says this can be used to create a RAID 10 set (by mirroring two pairs of striped sets). Has anyone created a RAID 10 set with Disk Utility? A different Apple Support document equates a concatenated RAID set with JBOD (Just a Bunch Of Disks), which definitely sounds different than RAID 10. However, that same document later talks about combining RAID sets, such as mirroring two pairs of striped disks to obtain RAID 10. This is what I might like to try, presumably to get increased speed AND security relative to either RAID 0 or RAID 1 alone. If I use 4 of the 3-TB disks to create a RAID 10 set, I guess that should give me 6-TB of storage that would be faster than a mirrored pair and safer than a striped pair (though half of the available 12-TB of total disk space). Does anyone have any advice for me with respect to using Disk Utility to create a RAID 10 set? If RAID 10 is not a good idea, how about RAID 0 -- should Disk Utility work well enough for that? Either way, what block size would you recommend? What happens and what messages would I get if (er, I mean when) a component disk fails? Even if I create a RAID set, I still plan to do backups (on external and/or network disks). Thanks a lot for any help you can offer, Gregg _______________________________________________ MacOSX-talk mailing list [email protected] http://www.omnigroup.com/mailman/listinfo/macosx-talk
