Redundant Array of Independent Disks, a scheme to utilize multiple hard drives to increase speed and reliability or to provide for data recovery in the event of hard drive failure

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Bootcamp won't run on OSX in RAID0

I have my MacPro booting into Lion off a 3 disk (software) RAID 0 array. I want to dedicate a fourth drive to Windows 7 via Bootcamp. However it won't run at all on my system, exiting with a 'RAID is ...
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1answer
440 views

Can I Mount a Hard Drive in Mac Pro Tower as Read Only?

I'm trying to recover data from a failed external Fantom RAID Drive enclosure by plugging the drives into a Mac Pro tower, but I'm concerned that OS X might write to the disks and jeopardize the RAID ...
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1answer
41 views

Can one slice of a “Disk Utility” RAID mirror be moved to a new computer?

With a 2-disk RAID mirror created in Disk Utility, after one disk fails, can the remaining good disk be moved to a different Mac and used successfully?
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1answer
141 views

How can I reconfigure the RAID settings on a Maxtor OneTouch III?

I have a 1TB Maxtor OneTouch III. This is the drive that comes with two 500GB disks and software to configure RAID 0 (mirroring) with 500GB of storage, or full use of both disks for 1TB of storage. ...
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1answer
8 views

Manually force sync on AppleRAID 1

I'd like to force a sync or repair on my AppleRAID set as part of a regular maintence. Under Linux (md) I can do this by writing to control devices. Diskutil does not seem to offer me such an option.
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1answer
61 views

RAID 0 On 21.5" iMac Late-2012

I am about to get my fusion drive upgraded to a 256gb SSD on my Late-2012 21.5" iMac that I got from work (don't worry I have a company upgrading it, and yes they know its a Late-2012 iMac). When ...
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1answer
42 views

How to use iostat with AppleRAID volume?

When I try iostat disk5, I get the error: iostat: could not record 'disk5' for monitoring Iostat works with my other drives, and with the individual disks which make up the RAID volume. How can ...
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1answer
156 views

OS X software RAID 0 with 6x SATA SSD?

I will be able to use a former video editing "Mac Pro" :) for a bit, free to configure anything I want in software. I would like to experiment with setting up OS X software RAID 0 with 6x SATA SSD. ...
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1answer
95 views

Lacie Big 5 10tb to be used as external hard drive but want security so: ZFS Raidz?

I've just bought the Lacie Big 5 10th and I want to use it as an external hard drive for my files. I was thinking of making it raid1 but then I heard about ZFS and Raidz. so that I can easily ...
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1answer
65 views

OSX partitions wiped by NAS RAID

So I messed up when I thought it would be a good idea to stick some hard drives into my NAS. It's now changed the partition table to a RAID0 one and my data has vanished. What are my best chances of ...
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1answer
214 views

RAID questions with ML

I'm looking to build a NAS box and putting ML on it. I currently have two drives that are configured as RAID one that I am pulling out of a NAS box. I have one drive that I'd like to add to the two ...
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1answer
174 views

Break RAID0 to have separate drives

I have an enclosure Hornettek Dual Bay SATA Case with removable disk trays, and RAID0, RAID1. USB3.0 and eSATA dual bay case with two 2T WD drives. My idea was to set them up as separate drives to ...
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0answers
61 views

Raid two external hard-drives with read/write support on Windows & OS X

I have a USB 3 HDD enclosure that currently has two 1TB drives in it. I am looking at buying another external USB 3 HDD drive (not an enclosure). I am currently running the external enclosure with the ...
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0answers
31 views

Can I enlarge a RAID10 with Disk Utility?

I have a 4TB RAID10 (4x2TB disks) created with Disk Utility. I also have 4x4TB spare disks. Can I enlarge the RAID10 to 8TB (4x4TB)? This post suggests that I can break each mirrored set, and ...
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0answers
392 views

RAID 1 array degraded, now not being recognized by OSX

I've got a pair of Seagate 3TB HDDs in a mirrored RAID 1 array using a Vantec NexStar MX two-drive enclosure. The setup has generally worked fine for the last four months, but lately I've noticed that ...
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0answers
63 views

2 Mac Mini Server in a restored RAID 1 config and question mark folder at boot

We have two identical Mac Mini servers (let's call them A and B) running OS X Lion with two 500 Gb HD. Using a Thunderbolt cable, a RAID 1 matrix was creating using three HDs (2 from A, 1 from B) with ...
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0answers
62 views

Partitioning RAID 1 on Mac Mini

I have 2x 750GB drives in the Mac Mini. I want to partition it to have 250GB for OS and 500GB for Service Data. I thought I could create the RAID first, then partition it but it does not give me an ...
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25 views

XServe 10.6.8 with Fusion R800 Raid. Raid shows as fully functional, but Xserve doesn't see partition

I have a Sonnet Fusion R800 RAID array with 8x3TB drives in it. The unit recently had a strange issue with the power supply that has since been addressed. Once the unit was able to power back on, the ...
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0answers
56 views

Something like MHDDFS for OS X?

I'm trying to have my Mac Mini take over all my server's functions (I'm recycling the server hardware into a Linux workstation). Its pretty much all done, except for the file-serving portions. ...
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0answers
83 views

Repurpose 2006 Mac Mini for Time Machine with external HDD

I have a Apple Mac mini "Core Duo" 1.66 from 2006 sitting around. I also have on order a CiT 3.5 inch USB 2.0 Dual SATA HDD Enclosure and was thinking of getting a WD Green 4TB Desktop Internal SATA ...
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32 views

HP Media Vault HDD connected to macbook Pro and accessing it

Our family HP Media vault MV0000 motherboard has failed and we need to recover family pictures of our late mother. The HDD is supposedly Raid format and while we connect it to either a PC or Mac ...
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70 views

How do I match a disk UUID with a software RAID member?

I have one member of a stripe which is starting to fail, but hasn't yet thrown any errors that SMART can pick up on. Currently I'm getting errors like this: Aug 8 11:34:22 myhost kernel[0]: ...
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655 views

Reverting from Mavericks to Mountain Lion on dual SSD's in RAID 0

So I have my MBP Late 2011 setup with Dual SSD's in a RAID 0 Configuration. Since this is a software RAID, I don't have a functioning Recovery HD and I need to erase the Mac and get back to a stable ...
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1k views

The disk you inserted was not readable by this computer

I am getting a system message from Mac OS x 10.8.2 every time I power on my ICY DOCK RAID enclosure. I have followed the procedure in the manual to the letter. Installed two new 2TB HDDs > Changed ...
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165 views

Will RAID-0 speed up OS X that is installed on external SD card?

I'd like to have some portable OS X installation that I'll be able to use with different machines (MacBook at home, MacMini at work, etc.) I installed Mountain Lion on my 32GB class 10 SD card ...