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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479 views

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
1k 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 ...
2
votes
1answer
187 views

VMware ESXi compatible RAID card for the Mac Pro

I have a 2009 Mac Pro that I'd like to add a hardware RAID card to. I am running VMware ESXi with various OSes running as VMs. The Apple RAID card is not what I'm looking for. I would also like to ...
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vote
1answer
80 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
254 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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votes
1answer
30 views

Expanding Flash Storage with SDXC

I see on a Macbook Pro, you can expand your current storage space with SDHC or SDXC. Being a Linux user I know you can use RAID to expand storage with 2 disk, so storage looks like 1 HD. However, most ...
0
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1answer
34 views

Continuous volume shows too much available space

I have a continuous volume of two identical SSD drives. 2 terabytes, 1.92 terabytes in practice. I plugged it in via USB today and finder and disk utility show that all the space is available. ...
0
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1answer
15 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.
0
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1answer
147 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 ...
0
votes
1answer
190 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. ...
0
votes
1answer
146 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 ...
0
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1answer
251 views

Cannot boot Mac Mini with striped RAID 0 set

Today we could not get one of our machines running with 10.9 and RAID 0 which stripes the data on the boot volume. After several hours of doing the 'standard' tasks like fixing permissions etc, we've ...
0
votes
1answer
292 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. ...
0
votes
1answer
141 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 ...
0
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1answer
83 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 ...
0
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1answer
219 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 ...
0
votes
1answer
266 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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vote
0answers
193 views

Getting rid of “The disk you inserted was not readable by this computer” message at startup

I have a couple of disks in Windows software mirroring RAID in my system, and when OS X (Mountain Lion) loads, the same message pops up (twice) each time: The disk you inserted was not readable by ...
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vote
0answers
175 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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vote
0answers
45 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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vote
0answers
736 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 ...
0
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0answers
25 views

Mac Solution for Software RAID 6

Disk Utility apparently only supports RAID 1 and RAID 0. Is there a way to do software RAID 6 on a Mac? A Mac GUI is preferred but I can use any UNIX program.
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0answers
11 views

Encryption and Partitioned RAIDs

I use a Thunderbolt Duo configured as a mirror RAID 1. I understand that it is incompatible with FileVault. Is there another encryption system I can use on my MacBook Pro?
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0answers
12 views

Why does disk utility want to erase my RAID 1 set?

I have 2 disks, the first a 2 TB and the second a 5 TB the 2 TB is split into 2 partitions and the 5 TB into 3 partitions with one 2TB RAID0 set, one 1TB RAID1 set and one single 3TB partition. I now ...
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0answers
58 views

Pros and cons to JBOD setup on MacBook Pro with two internal SSDs

I've got an original Apple-installed 120GB 3G (3Gb/s) SSD which I'll be moving into the optical bay using an OWC "Data Doubler" and swapping a new 240GB OWC Mercury Electra 6G (6Gb/s) SSD into the ...
0
votes
0answers
21 views

Want to duplicate master sector 0 and partition tables on external drive

I have a theater system using a Mac Mini running OS X 10.6 Snow Leopard. It has two RAID 0 external drives connected that store my movies and TV shows. The system shut down during a storm and ...
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votes
0answers
164 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 ...
0
votes
0answers
667 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 ...
0
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0answers
2k 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 ...
0
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0answers
228 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 ...