Can A Lion Boot Drive Be Part Of Apple Software RAID
May 3, 2012
After many hours of head-banging, I now realize that Lion cannot be installed on a boot drive that is part of an Apple software mirrored RAID (early Mac Pro hardware, Snow Leopard.)Something about a limitation that a RAID drive cannot be repartitioned to allow for the creation of the Recovery partition.Sad, but so be it.So, I plan to use SuperDouper! to copy my boot drive to a fresh, non-RAID drive, boot from that drive, and then and install Lion there.Once I have done that, will I be able to add the new Lion boot drive to a new Apple Software RAID mirror set? Or is Lion simply not capable of being booted from a software RAID device?
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Jan 25, 2009
I decided that I couldn't wait for Gainestown and ordered a 2.8x8 MP today. I'm going to get another 8GB of RAM (I assume 10GB in matched pairs will still perform at full speed). My real dilemma is a Boot/Storage solution-I'm moving from a Dual 867 G4, so all my current drives, both internal and external are IDE, which basically means I'm starting over as far as internal drives goes. The G4 power supply gave out so I'm getting this external enclosure to put my old drives into for file recovery. As far as new drives go, I can't figure out what to do. I'll spare you my million iterations of drive configs I've sketched over the past two days.
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Aug 28, 2008
2x160 GB drives in a RAID-0 holding my boot driveI want to move it do: A) Ideally 2x250 GB drives in a RAID-0 or B) A 400 GB drive.I've tried:Straight up copying/restoring in Disk Utilit Carbon Copy Cloner File-levelCarbon Copy Cloner Block-levelI can copy everything, but I wind up not having the system recognize the new drive(s) as a boot drive.
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Sep 22, 2010
I'll be going with the OWC SSD(s) ExtremePro for the boot drive................ either a 2x60 OSX SW RAID 0 or single 120. I'd rather err on the side of safety but always looking for more umph If going RAID 0 would it be advised to go with a dedicated controller?My data drive will be 2x1T RAID 0.
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Dec 31, 2008
Compatible to PCI-e 2.0
Boot to Mac OS X with Mac Pro (2006-2008) Models
Boot to Single Drive or RAID Array
Well,finaly it's bootable and raid bootable.Does anybody know is ti bootcampable?I just come back from windows,I find I lost so much,I can't even use foobar2000 and my 9800gt.
I hope it will be a positive answer
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Mar 18, 2010
I'm still working out the details on purchasing a new MacPro. My Apple sales rep tells me that I can greatly increase the launch speed of applications and the system OS by purchasing 2 hard drives and using Disk Utility to stripe them together into a "software RAID". They claim it will be faster and more reliable than a single SSD. I know I've asked this question before, but the answers were over my head. I don't know anything about SATA raid cards, or SSD's except for their benefits. But I'm pretty sure I can stripe two drives together and make a software RAID.
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Mar 15, 2009
I thought i'd share this with everyone if anyone has been interested or curious to do the same, I have installed a Raid 0 setup in my 2.4ghz Aluminum macbook using 250gb and 320gb Seagate 7200.3 2.5" drives with 16mb cache each. The reason its 2 different sizes? Because i'm stupid! I bought the 320 thinking the other drive was 320 aswell- only realising once i had installed both that they were different sizes. Not to fear- the raid would be slowed down by the slowest drive, specification wise they are both the same so no problems there. In fact in my case it creates something which is quite awesome- individual boot partitions on each drive.
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Jul 19, 2009
I purchased a 128gb Patriot Torqx to run as the boot drive for my Mac Pro. I know that the new Intels are coming but I am happy with the Patriots and wanted some instant gratification. The machine is definetly snappier but doesn't quite have the pep as my MBP running a 256gb SSD as the sole HDD.
I have (3) 1 TB 5400 rpm drives in a striped RAID array. It seems sometimes when I start an application that lives on the SSD boot drive, the other drives begin to run as well (I can hear them spinning). Any thoughts on what could be done to speed up my system and also make sure that the SSD runs as independent from the traditional Hdd's as possible?I am running a early 2008 Intel 2.8ghz machine, 8 cores, 6gb RAM.
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Jul 11, 2009
I just got a used mac pro quad. I plan to use it for video production- final cut pro, pics - aperture, and music production- protools. THe computer came with 3 - 10k rpm 160g hd's. Two of them are set up as a raid 0. I like the idea of having a faster drive as a boot drive, but 160 seems kind of small to me as the drive to run memory hungry apps and the operating system. Am I right? I could go to a 300g 10k rpm drive. I am also thinking about getting a bigger drive, say a 750g or 1 tb 7200 rpm. Should I use this as the boot drive or as a secondary storage drive?. If it's the boot drive should I add the other 160g 10k drive to the raid or keep it separate? I assume that neither way would be wrong, nor create a problem, but since I haven't put anything on it yet, I'm wondering what would be the most efficient way to manage my files and get the most out of my computer.
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Oct 1, 2008
I have a single boot disk with just the apps on, and 2 disks in a software mirrored RAID in which I keep all the important stuff.Its just occurred to me, if the boot drive fails won't the software RAID be destroyed as well?Or will it be easy to recover the data off one of the previously RAID1 disks, when the new boot drive is installed?
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May 16, 2007
I have a PowerMac G5 and need to purchase an internal RAID card to create a RAID 1 mirror of the system drive... one that will allow me create a Hardware RAID 1 mirror, not software RAID through OS X.
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Mar 25, 2012
MacBook Pro 15" (15-inch Core 2 Duo) late 2006 this apple macbook boot lion from usb or firewire ext hdd or usb stick which of 3 better must boot Lion on ext device? or none at all?
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Nov 16, 2009
I have a RAID 0 set up with two 1.5TB HDs. I am doing some reorganizing and want to take all the data on the RAID 0 and move it to one of the hard drives in the RAID 0 and create to single drives. Is there any way of moving all the data from a RAID 0 onto one of the HDs?
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Jun 5, 2012
My Mac Pro RAID 5 (with Apple RAID controller card and RAID 5 volume with 3 hard disks) showed degraded RAID set message due to failed drive. After I repalced the failed drive, I was unable to add it back to the RAID set. So I tried to removed or deleted this RAID set so that I can rebuild the RAID set from scratch. No matter what I did, I was unable to delete the RAID set using the RAID Utility.
Info:
MacBook Pro, Mac OS X (10.7.3), Mac Pro Quad Core
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Dec 9, 2010
I just tried to download Adobe Digital Editions as an advice from a friend of mine, saying it was a nice way do read ebooks. So I decided to give it a try. Besides not being able to download it I was delighted with the grammatical mistakes in the pop-up window that was downloading the application.It is refreshing to see a company that does not even care to proofread what they publish.
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May 4, 2010
is there a way to check a part by number? from apple. I got my repaired laptop back and the 3rd thing they replaced was a "cover" - "mechanical / cosmetic damage" cover of what? i have the part number, is there a way to see what this is exactly?
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Apr 27, 2012
Last week I finally upgraded from 10.6 to 10.7, but now my Mac Pro (2008) won't boot properly. It'll start to boot with the gray screen and the Apple logo, but then the entire screen goes gray and it just locks up there. However, if I reboot and hold down the Option key to bring up the list of bootable drives that works fine. I've checked my Startup Drive settings and the proper drive is selected. why it won't boot on it's own anymore? Holding down the Option key is getting old.
Info:
Mac Pro - Octo Core, Mac OS X (10.5.6)
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Jun 20, 2012
I am currently using Apple Mail on Lion with IMAP enabled for emails. A couple of times I have had only part of an email downloaded. The full email is viewable on the iPhone and through a web browser. Is there anyway to resync an email to have it finish loading the message and attachments? I have tried to Sync the full Apple Mail program but the email did not change. I am assuming this problem is occurring when the internet loses the connection.
Info:
MacBook Pro
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Nov 28, 2010
I have a 2009 MacPro. SSD has the boot and apps from the 2nd Optical Drive. Original 1x4TB drives are in Raid 0 and have all the data (home folder etc). They also have the original OSX and apps which are no longer in use since everything boots off the SSD.
I want to erase the 4 raid drives (disconnect raid all together) (data all backed up to a drobo). Use first 3 drives as new storage and the 4th as bootcamp.
however, when I try to erase the raid data drives, it says it can't unmount the disk (yes, have no apps running other than disk utility from the SSD apps)
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Mar 15, 2012
I have a very large itunes library, is there a way for me to store some of my music on external hardrive and have this music still be in my itunes library when the hardrive is plugged in.
Info:
macbook, Mac OS X (10.7.1)
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Mar 25, 2012
I have a Late 2006 20~inch iMac with a USB2.0 & 1394 & eSATA combo Drive {SBP-LUN}. I have a Macally external drive that has an eSATA port. My iMac has no eSATA port. I am presently using the Firewire 400 ports {1394}to connect the external drive to the computer. How do I utilize the eSATA part of the combo Drive?
Info:
iMac, Mac OS X (10.4.11), Intel
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Oct 2, 2008
I don't know where I read about this, but I am getting ready to redo one of my systems. Currently it has 2 identical 250GB Hitachies, which use Super Duper every Sunday to backup. I tried doing a RAID 0 back in like 2004 on a system that had 4x60GB. I found out through trial and error and then later reading that you can't boot from a RAID in a Power Mac G4. But like I said earlier I don't know where I read this, but someone stated I could boot from a RAID 1 (mirror) in my Power Mac G4. Is this true? or not? Is it possible to boot from a RAID 1 in a Mac G4 but not RAID 0?
Something tells me this isn't going to work. I have a 10% glimmer of hope that maybe it will just see the drive as a regular drive. This would really be great. If anyone knows the answer to this puzzle please feel free to let me know...
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Nov 8, 2010
it has been a while since my last post, but i am running into a big issue with my mac pro. I just recently got a areca arc 1210 and i am trying build a bootable RAID 0 through the card. I have gotten snow leopard installed on the raid, but the system refuses to boot to the raid. Any assistance would be MORE than
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Jan 12, 2011
So I'm considering a new boot volume for my Mac Pro revolving around this RAID controller, since I have had great experience with 3ware's products in my Linux boxen and it really seems like $700 for the Mac raid controller is a bit much. My workflow revolves very heavily around virtualization. I've been thinking about a variety of options for SSDs and hybrid drives and even just fast laptop HDs. Am I crazy for considering 2.5" drives other than SSDs? I'm thinking of 2.5" drives because I put a pair of them in the lower optical bay without issue. The amount of storage needed on the boot volume is probably in the range of 150-200GB. Getting SSDs that size may not be in the budget. Thus, I am currently considering either a pair of 320GB WD Scorpio Blacks or a pair of 250GB Seagate Momentus XTs. I'm not sure the hybrid Momentus drives are worth it. Additionally, I know that a lot of SSDs don't fully support RAID in their firmware. Thus, I am reluctant to buy one, let alone a pair, since a lot of places don't seem to have terribly generous return conditions for SSDs. Is this a fool's errand? Should I just relegate my VMs to other storage and get a smaller SSD for the OS + apps?
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Jun 23, 2009
Can anyone please suggest a RAID card for a MAC Pro that will also let me get into Boot Camp.
I have a Rocketraid 2644 connected to an external box with a RAID 0 array but it forces me to boot into OS X and nothing else
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Jun 4, 2012
So I have a Mac Pro with Bay 1 acting as my regular start up drive. I also have three other Western Digital 500GB hard drives that I have been using as a RAID backup system. However, when I place all three of the RAID hard drives into Bays 2, 3, and 4, the computer will not boot. It never reaches the Apple logo, and continually tries to restart. So I figured one of the hard drives was corrupt.
However, I have tested all three hard drives in Bay 2 and the computer will boot just fine. I have also tested each bay individually (i.e. the same RAID hard drive in each of the Bays seperately) and the computer still boots fine. I can even power up with any two hard drives in Bays 2 and 3. The only time I can't power up is when all three of the hard drives are occupying all three of the extra bays.
Also, none of the RAID hard drives show up in Disk Utility or on the desktop. Shouldn't I be able to view them as normal internal or external hard drives being plugged into my Mac? They do show up in RAID Utility. Is this normal with RAID hard drives, or should they always show up in Disk Utility?
I created a new RAID backup with two of the drives together (Bays 2 and 3) and it recognizes it in System profiler. However, I want to be able to use all three drives for the RAID.
Info:
Mac Pro, Mac OS X (10.6.8)
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Apr 15, 2012
there back in September when I got my macbook I had the problem where it wouldn't boot past the apple logo screen and it was taken away and the hard drive had to be replaced and now it has happened again! I'm so annoyed as Im getting really close to exams at Uni so need my computer but will it need to have the hard drive replaced again!? As well with it being Lion I dont have a disk with it to try utility disk.
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May 9, 2008
I'd like to set up a separate 3-drive striped software Raid0 solution in Vista to increase write performance for FRAPS capturing, but need guidance on how to proceed.
Mac Pro 8-core 2.8GHz "Early 2008" 14GB RAM WD 640GB x4
Drive1 - Mac OS 10.5.2 / Windows Vista Home Premium 64-bit (Boot Camp 2.1)
Drive2 - Striped Raid0 1/3
Drive3 - Striped Raid0 2/3
Drive4 - Striped Raid0 3/3
The 3 latter drives is what I'm trying to configure, but don't know how to do so for my Vista partition. Is this even possible? If so, does Vista have this built-in capability, or would I need to download a third-party software raid utility?
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Jul 7, 2008
i would like to reserve my 4th bay for windows only drive and a software raid will be used for these.
what would you think is a better set-up,
3x internal drives (all of the same model, probably WD 640's) set in raid 0 (both serve as boot drive and scratch disk) occupying bays 1, 2, and 3. In this set-up, everything (DVD's, music, photos, final cut media) would be stored on this array.
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Jun 5, 2010
Can you just install a vanilla PC raid card into a MP, stripe a few empty drives in a RAID 0 config, and make OS X ignore both the RAID card and the NTFS striped drives when switching to and from Leopard?
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