Power Mac G5 :: Internal Drives For RAID 0 Startup Disk

Dec 7, 2007

Thinking of using 500GB and 750GB internal drives for a raid 0 startup disc (software raid obviously)?

Dual 2.5 G5
Mac OS X (10.4.11)

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Mac Pro :: Multiple Hard Drives Boot Drive & Internal Raid

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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Power Mac G5 :: Setting Up RAID On Internal Hd / Mirror My Drive With Apps And System?

Oct 19, 2007

I have 2ea 250GB internal HD. One with my apps and system on it and the other with no data. How do I mirror my drive with the apps and system? Or is that possible?

Dual 2.3ghz PowerPC G5
Mac OS X (10.4.10)
8 GB ram / 2ea. 250 GB internal HD

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Hardware :: Internal Hard Disk Does Not Show In Startup Disk Options

Jan 1, 2008

I have 2 internal Serial-ATA disks:

Both were checked (with Disk Utility and DiskWarrior) and are OK. But only one of the two disks shows in the Startup Disk list in System Preferences->Startup Disk.

PowerMac G5 / OS X (V.10.4.11)
3GB memory

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OS X :: Creating Mirrored RAID On Startup Disk?

Dec 24, 2010

I have a Mac Pro that I want to create a mirrored RAID set in.

I have a 1TB Hard Drive that is the main system drive.

I just added a 2nd 1TB Hard Drive that I wanted to use along with this first hard drive to create a mirrored RAID set.

I used the following document to help with the process:


I have opened up Disk Utility and think I may know how to do this but a few things concern me.

First, it states that it will erase the contents of the drives it's using to mirror. I had the idea it would simply duplicate the data onto the other drive. Is it true that it will delete the data on the current drive?

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OS X :: Converting Existing Startup Disk To RAID?

Jul 23, 2010

Having had an issue with 2 powercuts in quick succession meaning my Mac Pro was unbootable I am looking into the software RAID built into Snow Leopard. I know it doesn't replace backups and I got my data back ok from backups. My system disk is a 1GB drive, could I purchase a 2nd identical drive and mirror across that without having to do a system re-install? What would happen to the Bootcamp partition which is also on the same drive. Taking my thoughts one step further, if I bought 3 more 1TB drives, could I create software mirror sets, and then stripe across those, which should give me some performance and reliability gains?

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PowerPC :: Internal RAID Card To Create RAID 1 Mirror Of System Drive For G5

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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Mac Pro :: Get A Highpoint Raid Controller And Put Those 4 Drives In A Raid 5 Array?

May 1, 2008

I have a macpro with 4 x 1tb drives

Is it possible to get a highpoint raid controller and put those 4 drives in a raid 5 array (and then create partitions inside that array) - or do you need to have 1 drive by itself for the operating system, and then create a raid array using the remaining 3 drives?

Lastly, are the highpoint 3500 series a decent card? and fully compatible?

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Power Mac G5 :: Internal Hdd Disk Utility / It Will Be Completed In 1 Minute

Dec 3, 2007

I just installed a Hitachi 1TB drive in my dual 2.5ghz powerPC G5.

I carbon copied my old harddrive over to it.

I didn't want to reinstall my OS.

However I think I copied some problems over.

In Disk Utility when I try to Verify Disk Permissions, Verify Disk, or Repair Disk Permissions (any of the options I am allowed to do to the startup drive) it moves like 1/5th of the time bar meaning it is working then changes to "It will be completed in 1 minute" then stalls there.

Dual 2.5GHZ PowerPC Power Mac
Mac OS X (10.4.8)
30inch Apple Cinema Display, 4.5gb Memory, and 1.5TB of Harddrive.

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Power Mac :: Switch The Startup Disk On G3?

Mar 17, 2012

I recently developed a problem where my Blue and White G3 Power Mac will not start in OSX. It starts but then displays a screen that tells in four languages to restart my machine. When I restart I just get the same message.This all started when I switched from booting in OS 9 to OSX.  Both had worked in the past.  Now I cannot return to OS 9.  Is there a short cut of keys to press to bring up the start up disk control panel during start up to try switching back to OS 9?

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Mac Pro :: RAID 5 Volumes - Create In RAID And Disk Utility?

May 20, 2009

I have a new Mac Pro Quad 2.93 with the Mac RAID card installed with four 1TB drives setup in a RAID 5 array. When creating the volumes in the RAID utility, you can not edit them, resize, etc. If one large volume is created in the RAID utility, you can then partition that one volume using the Apple Disk Utility, which then allows you to resize if needed.

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MacBook Pro :: Cannot Eject The Startup Disk From Power-book G4 (laptop)

Jun 5, 2012

Cannot eject the start-up disk from my PowerBook G4 (laptop). Can anyone help me? My screen is blank too, that's why I'm using the start-up disk.

MacBook Pro (17-inch 2.4 GHz), Mac OS X (10.7.4)

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Mac Pro :: How To Run 4 1.5TB SATA Drives In A RAID 5 Or 10

Jan 18, 2009

The time has come to move to a RAID setup in my Mac Pro. Ideally I'd like to run 4 1.5TB SATA drives in a RAID 5 or 10. It seems there are a LOT of threads on this topic all filled with different information, so I have a few questions...

Which RAID cards are bootable?

Do any work like the Apple card and interface with the drives through the logic board?

If not, how do you connect the internal drives to the RAID card in their stock bay locations?

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Mac Pro :: Setup RAID 1 Using Two Drives

Jul 1, 2009

I just got a brand new MAC PRO desktop. It came with a 600GB HDD. I purchased a second identical internal 600GB HDD. I wanted to do setup a RAID 1 using these 2 drives. Currently the main drive has the OS and all my other apps installed. I installed the 2nd drive and was fooling with disk utility. I'm not sure how to set this up however. I tried numerous guides online but I just cant figure it out.

MAC PRO (takes up to 4 internal drives) - currently installed 2 identical drives
Using Disk utility

The RAID tab says "online" and the status is green (indicating the RAID is working). However on my desktop i see the 2nd hardddrive mounted with no contents in it. I just want to able to use the 2nd drive as a mirror so this way if one fails I'm still up and running.

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MacBook Pro :: Startup Disk Is Almost Full - Clean Startup Disk For More Space?

May 28, 2012

How do I clean my start up disk for more space? I have I cloud but don't really use it.

MacBook Pro, Mac OS X (10.7.4)

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Mac Pro :: New RAID CARD Cannot Detect SAS Drives

Oct 1, 2008

I just got the apple mac pro raid card today, but after I connect it and all 4 SAS drives, the MAC OSX Installtion program can not detect the SAS at all, I open the RAID Utility but no dirve there, the battery is in charging status.

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Mac Pro :: RAID 1 For External Hard Drives?

Feb 2, 2009

I currently have a 2TB WD mirror edition that is setup in RAID 1 so it will mirror all my data. Now I also have a bunch of other drives laying around which I also feel the need to back up and currently I am doing this by doing a whole bunch of dragging and dropping and copying and pasting etc etc etc and this is making me very tired. I know that a setup is possible in disk utility but I am not at all sure about how to configure it so I wont lose any of my data.

Some details about my setup:
Mac OS X 10.5.6
PowerPc G5
Harddrives: two 1TB WD MyBooks, and two 500gig WD Mybooks --> these pairs need to mirror each other and make my life less of a hassle.

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Mac Pro :: Possible To Migrate RAID To Larger Drives?

Apr 2, 2009

I'm about to configure my 2006 MP with one of Apple's RAID cards using RAID5. I currently have 4x 750GB drives that I can use, but I can see needing more space in the not too distant future. When I do need more space, can I simply drop in a 2TB drive, let the RAID system reconfigure itself, and repeat this until I have all 4 drives in place? Is there a better or different way to do this? I know that if one of the drives is larger than the others, then only a drive space equivalent to the smaller drives will be used in RAID5. After addition of the fourth drive (per the above scheme), will the array then use the full 2TB of each drive?

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Mac Pro :: Why Won't Boot Up With 3 RAID Hard Drives

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.

Mac Pro, Mac OS X (10.6.8)

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OS X :: Are Solid-state Drives Faster Than Hard Disk Drives?

Sep 13, 2009

I'm looking at the specs page for the MacBook Pro and it reads this...

Your MacBook Pro comes standard with a 5400-rpm Serial ATA hard drive. Choose a hard drive with a faster speed for greater performance. Or you can choose a solid-state drive that offers enhanced durability.

Basically suggesting that the HDD option has a performance advantage over the SSD, but is this the case? I always thought SSDs could read & write quicker because they use solid-state flash memory as opposed to hard disks.

I want to go with the 256GB SSD but I want to know how it ranks in speed.

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Mac Pro :: Protecting 4xWD640 RAID 0 With External Drives?

Mar 26, 2008

I have a 8-core MP 2.8Ghz with 10gb ram and Ati 2600HD. I'll someday replace the ATI with a quadro (all my application is 3d/CAD/Design) I'm installing 4 of the WD640 drives, they arrive on Friday.

I would love to order the CalDigit RAID card but after searching I finally figured out it's not available until next month.

That said, I need my system to start working ASAP and I don't want to wait if I don't have to.

I'm a designer, I need fast scratch so some striping needs to be involved. I also need data protection. At this capacity Time Machine isn't going to be of any use and I'd prefer redundancy anyway.

The 4 WD640s are replacing: 1 750gb 7200.11, 2 WD SE16 500GBs, and 1 320GB (Apple Stock Drive).

I would like to sell some of those drives to defray the cost of this endeavor but I'm open to keeping 1 or possibly 2 as external drives or stuffing one into the optical bay with a converter.

I want speed and reliability, of course! But really the largest motivator here is the combined drive aspect. Having so many volumes is driving me nuts.

My intention had been RAID 5 or 6 but I now know that Apple Software RAID can't do this. So now it seems with software RAID 0+1 would be the only option.

Realistically, does the cpu performance degradation outweight the speed gained from striping the drives? It's so difficult to determine bottlenecks.

Any thoughts on my best bet without/before the RAID card arrives. Can I migrate the array after installing the card without data loss?

If I just JBOD the drives can the concatenated set be broken up ever? I was thinking I could JBOD until the card came.

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Hardware :: 2 USB Drives Attached To TC In RAID Configuration

Sep 29, 2008

Anyone know if it's possible to attach two USB hard drives to a Time Capsule via a USB hub, and configure them in a RAID1 configuration and use them as my Time Machine backup disk? I would then use the TCs internal drive as network storage.

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Mac Pro :: File Server With Five Drives In RAID Array

Nov 19, 2008

I have a bunch of Mac Computers here and I want to make a file server for them with about 5 drives in an RAID array to be a little bit secure. I am fairly certain how to go about and build myself a basic file server for a bunch of PCs networked together, but I am not sure about how to do it for a network of Macs.

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OS X :: Using Two Hard Drives - Fastest RAID Type?

Mar 14, 2009

What is, in theory, the fastest raid type, when I use two hard drives.

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Mac Pro :: RAID Controller And Connecting Two Drives For Windows

May 31, 2009

Can I install a Raid Controller and connect say two drives to it, specially for windows? Will it be bootable? Or perhaps even connect the iPass of the four internal bays to an Adaptec 5405 and get a separate cable for my Mac Drive. Will both be bootable? What if I just want to boot Windows for now? I sometimes need to convert my early 2008 Mac Pro into a rather beefy Windows workstation and the lack of HW Raid is rather irritating.

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PowerPC :: RAID 0 On Dissimilar Hard Drives On G5?

May 2, 2010

I have read that it is "a shortcut to disaster" if I do a RAID0 (or any other RAID for that matter), if the Hard Drives are dissimilar. I have the original HD 149GB (now 5 years old), and have bought a new 1T HD, and was planning on setting them up as a striped RAID0. Is this a bad idea? Should I purchase a second 1T HD and do a RAID0 or RAID1 setup instead?

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Mac Pro :: Temporarily Removing RAID Hard Drives

May 24, 2010

I have a Mac Pro with all hard drive slots filled. The first two disks (includes startup disk) are independent, and 3 and 4 are set up in a RAID 1 mirror. I have to take my computer into the Apple store for a repair and I'd like to just take out all the disks except for my startup disk... however I'm not sure how to go about doing so for the RAID. If I take the drives out, and boot up the computer with them no longer inside, will the computer "freak out" and/or will the computer no longer recognize the RAID if I put them back in again later?

If the latter is the case, will the data be lost or would I just have to set up the RAID again... and if I do that, will that also cause the data on the drives to be lost, or is it possible for it to mirror them again without needing to make changes to the data?

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Mac Pro :: Testing Hard Drives Before RAID Build?

Aug 15, 2010

What should I be doing to my drives before building arrays with them?

Hitachi do a Drive Fitness Test and Seagate something similar but I have not been able to get either to work on a BootCamp Windows partition.

I tried formatting in Disk Utility and pulling some data on and off. I'm now running a scan for bad blocks in Drive Genius (is this worth it? It's going to take about a week at this rate). Anything else I should do?

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Power Mac G5 :: Want To Use Second Internal HD As An Internal Back Up Drive?

Nov 10, 2007

I want to keep my applications etc on one internal HD and use my second internal HD as a back up.I am a graphic designer, and i have been backing up to an external LACIE Porche 160 Gig firewire HD. This has worked fine, but...My second internal HD (112 gig?) is still loaded with 10.3 and has adobe CS2 on it along with some other crap that I no longer need.I have loaded Adobe CS3 on my primary drive and have all the files I need on that one...What is the best way to set up my second HD as a "slave" drive to improve the performance of my G5 dual 2 Ghz??Will there be any issues now that I loaded Leopard on the primary HD?

Power PC G5 Tower 2 Ghz dual processor (2004?) with two internal hard drives
Mac OS X (10.5)

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Mac Pro :: Can I Install 4 Drives But JBOD 2 Drives As 1 Large Disk?

May 15, 2009

As the title says, can you combine 2 drives to one large without the expensive raid card?

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