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Can you boot from OS X utitlity raid stripped drives?
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Mac Elite
Join Date: Feb 2002
Location: Hilton Head, SC
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Can you boot from OS X utitlity raid stripped drives? What I want to do is use a dual channel ata card to attach to ata drives then use os x's raid utility to configure a raid 0 array to boot from.. is that possible?
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Mac Elite
Join Date: Jan 2001
Location: L.A., CA
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I think so, although I've never got a firm answer on whether you can boot from RAID (software or hardware) in 10.2.
Along similar lines, does anyone know if you can add a second drive that already had data on it, and stripe them w/o losing the data? Or does making a RAID always require you to format 'em clean?
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Mac Elite
Join Date: Feb 2002
Location: Hilton Head, SC
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I'm almost 100% sure you'll have to reformat your disk and lose the data...
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Posting Junkie
Join Date: Nov 2001
Location: Retired.
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Originally posted by JB72:
I think so, although I've never got a firm answer on whether you can boot from RAID (software or hardware) in 10.2.
Along similar lines, does anyone know if you can add a second drive that already had data on it, and stripe them w/o losing the data? Or does making a RAID always require you to format 'em clean?
Not possible, busting the RAID means re-formatting.
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Mac Elite
Join Date: Jan 2001
Location: L.A., CA
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Originally posted by gorickey:
Not possible, busting the RAID means re-formatting.
Ok coolio, thanks. Just means I'll be doing a little CCC action to another drive. A little inconvenient, but no worries. It's all about the RAID. 
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Mac Elite
Join Date: May 1999
Location: San Jose, CA
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Originally posted by Tyler McAdams:
Can you boot from OS X utitlity raid stripped drives?
It depends on the machine.
The XServe was the first machine to support booting off raid. The latest incarnation of the PowerMacs (which are based on the same design) follow suit. No earlier machine can boot from RAID.
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Gods don't kill people - people with Gods kill people.
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Grizzled Veteran
Join Date: May 2001
Location: Ca
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get a raid card Thats what I did, Acard Raid 133. I have 2 of them making 2 raids one startup and one for video storage.
real
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With some loud music + a friend to chat nearby you can get alot done. - but jezz, I'd avoid it if I had the choice---- If only real people came with Alpha Channels.......:)
AIM:xflaer
deinterlaced.com
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Addicted to MacNN
Join Date: Jan 2003
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It will boot off a hardware RAID on a PCI card. It will not boot off a software RAID.
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Grizzled Veteran
Join Date: May 2001
Location: Ca
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Yep i thinkit has to do with the way OS X loads during startup but the hardware raid is working fine, If you get 2 raid cards you can have 4 drive raid 2 and 2 all drive on thier own channel so to speak. not as fast as the Xserve but fast.
real
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With some loud music + a friend to chat nearby you can get alot done. - but jezz, I'd avoid it if I had the choice---- If only real people came with Alpha Channels.......:)
AIM:xflaer
deinterlaced.com
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Mac Elite
Join Date: Jan 2001
Location: L.A., CA
Status:
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Originally posted by Camelot:
The XServe was the first machine to support booting off raid. The latest incarnation of the PowerMacs (which are based on the same design) follow suit. No earlier machine can boot from RAID.
OK. I have an MDD so it looks like I'll be OK. I'm planning on going with a PCI RAID eventually (A/V RAID w/ second drive set - looking at the Seagate 7200.7 160GBs.)
This won't happen for a bit, but I'm sure I'll show off about it her when it happens.
TY.
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