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Old May 27th, 2010, 05:34 AM   #1
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Advice on starting RAID setup in G5 tower

I like to set up a RAID 0 in my G5, and like an advice on the best way to start.
My G5 currently has a single 500G drive, which I like to upgrade to a pair of 750G RAID 0 striped drives.

Should I be...

Option 1:
Put the first 750G drive into the G5 and use Disk Utility in the 500G primary drive to format it, then follow by installing OSX into this 750G.
Afterwards taking out the 500G, switch the now formatted/systemed 750G into the primary position, and then place the second 750G drive into the second drive bay, then formatting this second drive and RAID them from there using Disk Utility.

OR
Option 2:
Take out the 500G and put both 750G into the G5. Boot the G5 from a 10.5 disk, format the pair one drive after the next, then install OSX into one of the drives, follow by striping them (RAID 0) using Disk Utility.

Which of the above is the preferred method?
Should the drives be formatted separately then striped? Or can they be striped first before the installation of OSX?

Much appreciate to any help and suggestions in advance.
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Old May 27th, 2010, 11:04 AM   #2
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Hi Rollee,

Remove the 500G. Put both 750G's in. Boot from your 10.5 disk. Use Disk Utility from the DVD and select one drive, then add the second drive as a RAID member. Then erase/format. Then quit Disk Utility and continue with the OSX installation onto your new striped RAID.

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Old May 27th, 2010, 04:26 PM   #3
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Thanks for the fast response Woody.
Anything else you might like to add or to take note of?

Cheers!
rollee
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Old May 27th, 2010, 05:17 PM   #4
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As Splice suggests, you have to stripe before putting data on them (it requires a full format) ... my best suggestion is to make sure you have good backups too because a single drive failure with that setup == loss of all data on both drives. Not saying that it's more likely or that it's a bad thing, but know what you are getting into
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Old May 28th, 2010, 05:01 AM   #5
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Thanks for the backup reminder, I am fully aware of the higher risks involved with RAID 0.
Been using RAID 0 for years, I also have a sound backup system in place.
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