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New to RAID - did I screw up?
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Forum Regular
Join Date: Sep 2000
Location: Michigan, USA
Status:
Offline
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I had a little incident on Friday - blue screen of death. I thought the hard drive with my system folder had failed because Tech Tool didn't even recognize the drive existed. Disk Warrior saw it and repaired a badly disordered directory. Turns out I had to do an archive install of OSX 10.4. I'm up and running fine now.
Before Disk Warrior showed me that the drive was physically OK I (prematurely) went out and bought a new drive - two, in fact. I thought I'd use the best in data backup methods and install two identical hard drives on my machine in a mirrored RAID configuration. Despite not needing it after reinstalling 10.4, I had the drives and decided to go ahead and enjoy the extra storage space and peace of mind. The RAID seems to be working fine. http://forums.macnn.com/newthread.ph...read&f=90#
However, I had a strange thing happen immediately after reinstalling 10.4. Every time I tried to copy a file onto the RAID I was asked to authenticate. I typed in my password and it copied. I moved my iTunes and iPhoto libraries onto the RAID along with all my other data. I redefined the location of the iTunes and iPhoto libraries to the RAID, also. I updated all the software through Software Update and restarted.
Blue screen again!
I went through the whole archive install procedure again. This time I checked "ignore ownership on this drive" for the RAID. I seem to be A-OK now. No issues, but here are the questions:
Will I regret selecting "Ignore ownership on this drive" ? Will this screw up my RAID in some way? Will I, if I want to, be able to install a system folder on this RAID? Permissions are vital to the operating system so I would think not. I'm scared to uncheck that box and allow permissions to be used again because I don't want to get that blue screen of death again. I suspect that the authentication business caused the second blue screen problem because iTunes or iPhoto couldn't access its library, thus hanging up the whole startup procedure.
Any thoughts, comments, answers?
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MBP 17" Core i7 matte screen; iPad 16Gb 3G
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Fresh-Faced Recruit
Join Date: Aug 2005
Location: Asia Pacific
Status:
Offline
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Hi!
1) You used the RAID from OS X or is this a hardware RAID system? You won't be able to boot from a STRIPED RAID unless it is a hardware RAID, and not from a MIRRORED RAID if you are just using the built-in RAID from OS X. You need a 3rd party driver to boot from a mirrored RAID. Search for Mac OS X RAID tools that support this.
2) I believe the only problem with permissions is just that anyone can get at your data, and they don't need to authorize. Could be a problem if your system is hacked (via a weak password you set, and weak or non-existent firewall/DMZ topology).
3) Your blue screen is weird (I've never even seen a BSoD on Mac OS X). Try a different RAID driver (3rd party) if you can get a free trial to work. Otherwise, get a hardware RAID box (e.g., the Dual Disk from Miglia).
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Forum Regular
Join Date: Sep 2000
Location: Michigan, USA
Status:
Offline
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to put ownership back "on". Thanks for letting me know about the security issue. I made the RAID using the disk utility in OSX. I won't try to put a system folder on it now that you told me it's incompatible. Thanks for the help.
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MBP 17" Core i7 matte screen; iPad 16Gb 3G
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Senior User
Join Date: Oct 1999
Location: Sin City™, USA
Status:
Offline
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Originally Posted by bZGqWqQB
Hi!
1) You used the RAID from OS X or is this a hardware RAID system? You won't be able to boot from a STRIPED RAID unless it is a hardware RAID, and not from a MIRRORED RAID if you are just using the built-in RAID from OS X. You need a 3rd party driver to boot from a mirrored RAID. Search for Mac OS X RAID tools that support this.
2) I believe the only problem with permissions is just that anyone can get at your data, and they don't need to authorize. Could be a problem if your system is hacked (via a weak password you set, and weak or non-existent firewall/DMZ topology).
3) Your blue screen is weird (I've never even seen a BSoD on Mac OS X). Try a different RAID driver (3rd party) if you can get a free trial to work. Otherwise, get a hardware RAID box (e.g., the Dual Disk from Miglia).
Whoa... you can't boot from a striped RAID configured with Apple’s Disk Utility? Are you sure about this?
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To dislike Sinatra is a sign of highly questionable taste. To dislike the Beatles is a serious character flaw.
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Addicted to MacNN
Join Date: Jan 2001
Location: The Sar Chasm
Status:
Offline
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I'm running from a RAID 0 software RAID made in Disk Utility right now, and have been for months. Worked in 10.3 and continues to work in 10.4.
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When a true genius appears in the world you may know him by this sign, that the dunces are all in confederacy against him. -- Jonathan Swift.
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Senior User
Join Date: Oct 1999
Location: Sin City™, USA
Status:
Offline
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Originally Posted by chris v
I'm running from a RAID 0 software RAID made in Disk Utility right now, and have been for months. Worked in 10.3 and continues to work in 10.4.
Cool. That's what I thought. Thanks.
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To dislike Sinatra is a sign of highly questionable taste. To dislike the Beatles is a serious character flaw.
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