OS X :: Recovering A RAID Drive That Won't Mount?
Oct 8, 2009
I recently bought a Lacie 2big Raid drive with 2 x 1 TB drives for backup of my images (I'm a photographer).
Everything was fine, mounted the drive, formatted, and used SilverKeeper to transfer all my previous work onto the drive which was formatted with RAID 1 (mirrored).
The files all seemed to transfer across fine, size was the same, and I had a quick flick through the drive and images where all ok. So needing to use the drive that these images CAME off, I formatted that, and put that to use where it was needed.
So in summary I had the Lacie RAID 1 as my 2 sources of backup at this point. I thought everything was fine at this point.
Now maybe a few months on when I have to track back for files, I noticed quite a few folders had been corrupted, for example, opening a job folder, and every type of image file, jpeg's, tiffs, and PSD's would all say they are corrupt when I tried to open them in Photoshop. Some of these jobs where 20GB of RAW and edited images, all corrupt.
So, reading through my manual for the Lacie, it said I could remove the 2nd drive, without altering the 1st drives data.
With this I removed the second drive, trying to narrow out any problems with the RAID. Mounted the disc, same corrupt files.
I then replaced the second drive back to the RAID, which the instructions said was fine, and it would just rebuilt the mirror, so I left if for a few hours while it rebuilt the second drive.
Now my problem, the RAID has finished mirroring the drives, and now my MacPro or Powerbook won't let me mount the drive without formatting it which I obviously can't do, It brings up Disk Utility when the drive is switched on and wants me to format the drive to mount it.
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Feb 20, 2010
I had a 1 TB Western Digital MyBook World (first edition with the blue rings) that failed. I was able to take apart the drive and get it spinning again by placing it in the freezer. Unfortunately, it would not mount using a USB adapter or the NAS enclosure it came with. I was finally able to get Data Rescue 3 to see it using the USB adapter. At that point, I used the software to make a clone to a DMG on a new drive. Apparently, the drive was originally a Linux RAID (without mirrors), and that's what the DMG is.
So, there are four volumes under the one DMG. I think I need only the fourth one though. Unfortunately, I cannot get the DMG to mount. I've tried DiskImageMouter, Disk Utilities, Burn, and Springy. Every single one of them tells me that there's no mountable system. Disk Utilities can see the DMG and its four volumes. I have also tried to mount it in Linux (Ubuntu) via Parallels Desktop. Is there anything I can do to salvage my files, preferably with the same folder structure. So far, I can still access the drive itself through the USB adapter, if that helps any.
MacBook Pro (Core2 Duo) Mac OS X (10.5.8)
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May 25, 2009
I'm having a problem with my external RAID that I use between my G4 Laptop (10.5.x) and G4 tower (10.4.x). I downgraded the G4 laptop to 10.4.x so I can run Classic (kids educational software), and gain some speed. I backed everything up to my external RAID (two HD's RAID together). The downgrade install onto the laptop went perfectly. I went to restore some files from the RAID backup, and I got this error when trying to mount the external RAID: "the disk you inserted is not readable by this computer".
I just ignored the error and did not touch the RAID. I then re-connected the RAID to my G4 tower that had previously mounted successfully, and same error: "the disk you inserted is not readable by this computer". This time I started Disk Utility, and it sees the RAID and it's volume set, but it is "Locked" (see attached pics). I think I need to first mount it to change any "access control list" or permissions, but I can't figure out how to mount, and then change permissions/ACL.
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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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May 21, 2012
Since upgrading to Mac OS X 10.7.4 I am unable to mount any of my G-Tech Raid hard drives.
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iMac, Mac OS X (10.7.4)
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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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Jul 9, 2009
I recently killed my PC laptop by spilling liquid on it. It died instantly. I replaced it with a Macbook, which I love, but all my iTunes music files and photos were on the hard drive in the PC laptop. Is any of that information recoverable and capable of being added to my Macbook?
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Jul 20, 2009
The USB flash drive is Sandisk, 4GB, formatted for Mac. It became corrupted and I don't have access to stored files. The messages on screen is that disk can not be read and invitation to reformat it. I found special software for recovering files from corrupted drives but it is not affordable for a student like me. I've tried to find in forums and word of mouth some shareware/freeware working on Mac OS 10.3.9 but all I got is programs that take space on HD and do nothing, that is, software that is about selling and marketing stuff, not the real thing. Tried with 3 different such a programs, sheer time wasting. I found that this area is pretty much absolutely dark. Do experienced fellow mac users know about some truly working shareware/freeware that can help me retrieve the files from this corrupted Sandisk USB flash drive?
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Nov 5, 2010
I was partitioning an external storage drive with iPartition and ipartition stopped and said it couldn't complete its task and now I am stuck with a drive I cannot access, or rather I cannot access the data that is on it. Drive is greyed out in disk utility. It was not written over however, which I am hoping is a good thing.I have little to no experience with data recovery so some advice on what app to use would be swell.
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Dec 5, 2008
Data Rescue II was recommended to me recently to retrieve erased files from an external 1TB hard drive, where the files were accidentally erased whilst initializing another (now discovered as a faulty) external hard drive. I was led to believe by the sales person that the lost data could be recovered completely with no change, but now since using the software it seems this is not the case. As recommended, I scanned the drive using the scan specifically for deleted files, proceeded with the recovery (happy to see it had recovered all of the expected files, plus more) but then discovered that none of the files had their original file name (everything is now renamed with numbers relating to the file, and the file type). I have tried calling ProSoft several times now during their opening hours, and sent several emails to enquire further about the recovery process, but never receive an answer.
It would be great if anyone here has had a similar/same problem or knows if there is a way of retrieving the lost files with original file names intact. I fear that this software has left me with no choice but to open each file and rename individually, which is sure to be an epic task for the amount of files that were on the drive!
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Jul 27, 2009
just a few minutes ago, i decided to install leopard on my mac. So i cloned my old install onto my external hard drive using carbon copy cloner. once that was done and verified that it was good, i inserted my leopard dvd and installed: erasing my os x install...now i booted up and was messing in disk utility and erased my external hard drive...i thot it was the other one i had plugged in for time machine! i just lost all my important files, including my itunes library, and everything else that i really need!!
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Feb 9, 2010
I recently upgraded to snow leopard because i needed to install logic pro and I decided to format the hard drive, I did my back up but there was to much music on it so I did a couple of dvd's just for the music I compressed them (.zip) with stuffit one of them did work but the other one where it has all of Itunes library doesn't unzip. I wonder if I can recover it from time machine?
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Oct 9, 2009
I had a PC before I had a MAC, and I started using my external hard drive (a FAT32 drive) with my MAC using NTFS-3g. Now my hard drive has stopped working - it is recognised by my mac although no files show up, and it is not recognised in the PCs I've tried it in, and seems to crash them. I tried DiskWarrior to recover the data, but it only works in NTFS. I am looking for a way to try and fix the drive and retrieve the data using a mac rather than a PC.
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Jun 2, 2009
My macbook refuses to boot and freezes with either the blue or grey screen of death. I took my computer to the Genius Bar and the guy said my drive was dead but said I could possibly recover some of my files with an external hard drive. How exactly would I go about doing this? I've searched through posts but haven't really found anything specific. Do I go through Disk Utility or do I need a third party program like Data Rescue? He said to just boot from an external drive and then browse my old hard drive (which does show up in Disk Utility) and move things over.
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Apr 16, 2012
My hard drive on my iMac died. However, I saved my music on my back-up Seagate Drive. Now my iMac has a nice new drive and a freshly downloaded copy of iTunes. I found the music on the back-up drive. So far, so good. Now, all I gotta do is get the music files from the back-up to iTunes.So:
(a) How do I do that, since my efforts so far have been unsuccessful.
(b) Can I assume all my original lists and albums are kaput and will have to be recreated and reorganized?
(c) When I sync my iPod to the new library, can I assume it will scramble my existing iPod configuration to meet the new lists and album configuration?
Info:
iMac, Mac OS X (10.5.8)
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Apr 24, 2009
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Jul 28, 2010
I did a search for this problem but all the solutions seemed to involve using your iPod or old hard drive to recover. I recently had two tragedies in a short period of time. First, my iPod broke - a tragedy, but one I could get past. The second was the horrible death of my laptop's hard drive. I had some backups of important school and work related files, as well as a few other things like old tax documents, and much of my older files, but I did not have my iTunes folders backed up, because I was under the impression that I could download these songs again through iTunes should the need arise, since I had purchased them in the past.
Now, on my new computer, I have downloaded iTunes, and have been trying to recover my old songs. I authorized this computer, but when I "check for available downloads" it says everything has been downloaded, and that I should try to transfer the songs from the other computer. This is of course, impossible at this point. I can still see my purchases in my history, and if I try to purchase a song I had before, it warns me that this will create a duplicate. Will I have to purchase these songs again? I can see how I should have backed up my music, but I thought that iTunes would allow me to acquire them again.
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Dec 21, 2009
My 500GB external hard drive (Hitachi DeskStar) crashed! The blue light comes on, and I can hear the hard drive spinning, then sounds like it's stuck, or clicking ...
Same thing happens to the internal HD on my iBook G4. Sometimes the internal HD works, sometimes not.
I desparately need to find someway to attempt to either fix the external 500GB HD, or recover the files. The 500GB was my main HD, and I have so much very important data that I need to recover (no backups!).
I have years of research (lots of family history), thousands of pictures (many very old), my personal journals that I've been keeping for years, personal information, letters, documents, family videos, and all of my e-mail.
Somebody was telling me that there is special software that will recognize the HD, and allow you to recover the files.
What would you recommend? At the present I have no money to do anything, but will save up for the recovery software. My uncle is getting me a new hard drive, so I'll have that to back up the files when I have the recovery software ...
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Sep 8, 2014
If my hard drive was "scrubbed" by techs at the genius bar who thought that my computer had a software issue (it didn't) does that mean that a data recovery tool wouldn't be able to find the deleted files?
Info:
MacBook Pro
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Oct 4, 2006
I have a PowerMac G3 running OS X Server 10.4.7. There is an 80GB ATA boot hard drive and a SATA card and two 250GB SATA drives. One SATA drive is existing and has data on it; I just installed the second one because I want to mirror the 1st drive onto the 2nd one.My questions are: how do I do it? When I try to create a RAID set in the Disk Utility GUI, it says all data will be destroyed. I cancelled that.So I tried diskutil enableRAID mirror disk1, which told me I could only mirror volumes.The volume name is RAID, so I tried diskutil enableRAID mirror /Volumes/RAID which gave me an error "Error enabling disk to RAID Could not unmount disk (-10000)"
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Oct 30, 2010
A while back I removed a Apple Hard Drive after I thought I had shut down the computer. Instead, it had just slept and so still had the power on. This caused the file system in the hard drive to fail, so I erased and rebuilt the file system on the Hard Drive. It worked fine for another day, and then failed. When I went to see if I could fix it, Disk Utility said the S.M.A.R.T status had failed and the send the hard drive to an apple specialist. Is there any way I could fix the Hard Drive myself?
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Feb 8, 2010
I have a Sandisk Cruzer 16GB flash drive, which was working fine for months. It was formatted as FAT32 so I could move stuff back and forth between my tech school computer and my mac. I pulled the files off of it, and put an anti-malware program on it to troublshoot a netbook for class. The size of the drive is now shrinking, down currently to 43.5KB. I have no idea what may be causing it, or how to stop it.
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Aug 4, 2009
My current setup consists of my boot drive (250GB), a striped RAID (500GB) for storage and a 1TB Time Machine Drive.I have recently bought a new 1TB internal drive and would like to replace the striped raid with this drive, thus freeing up two 250GB drives - 1 which i will keep internally and the other will go into a external enclosure My question is can i just copy the files from the RAID to the new internal or do i have to use software to clone it?
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May 3, 2012
I went to make a copy of an important drive and accidentally re-formatted it (re-formatted mac journaled, originally mac journaled). The drive contained a bunch of important disk image files which I need to retrieve whole. I'm fairly confident that the files are still there and only the table information got overwritten, as the re-format took about 30 seconds. None of the recovery software I've seen however, can retrieve .dmg files, or such large files (these are up to 32 gb each in size).how I can retrieve these disk image files?
Info:
Mac OS X (10.6.8)
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Feb 23, 2012
I recently performed an optical drive install. Had to remove the hard drive bays (I use three hard drives - Luckily, 2 run OSX). I carefully removed all three drive bays and the empty bay. When I inserted the drives into the computer I had changed the position, swapping one OSX drive with a different one and reversing the drive bays. On restart, the computer started on the drive I had not selected for startup and I received an error message stating the other drive could not mount and it gave three options (Initialize - Ignore and Eject).
I can see the drive in Disk Utility and repair the permissions (it's also located in the System Profile).
I tried a few things I read in the community using various Terminal commands but was unsuccessful.
(Let me point out that I recently switched from a PPC G5 to MacPro and swapped the drives from PPC into MacPro and all has been fine until I removed changed their positions in the bays)
Info:
Mac Pro, Mac OS X (10.5.8)
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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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Dec 2, 2009
I just bought a Guardian Maximus RAID1 kit and I have two 1TB drives in it. I'm using it over Airport Extreme as an airdisk (mac osx 10.6.2)
My question is simply: am I running a risk by partitioning it into two partitions? Should I ever have to rebuild the failed disk (which I understand is really simple with the Guardian Maximus) - will it have trouble doing two partitions? I'm using one 500gb partition for time machine and one 500gb partition as redundant itunes/media.
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Nov 17, 2010
I tried searching for a solution for this and can't find any. I've seen one other threat in here about similar problems but the variables in my case are different. Here's the thing, a friend of mine lent me her usb pen-drive. She uses it on a pc mostly at work. When she gave it to me she forgot to copy some files i needed so she plugged it into her macbook pro (one of the new ones from this year, intel, snow leopard and stuff), copied the files i needed on it and i took it home. I have an intel imac, bought on april 2009. I plugged the usb pen-drive on my keyboard usb port and nothing happened. So i took it out, plugged it in again and nada. I did it a 3rd time and this time it showed me a message saying that this pen-drive needed more power and i had to try plugging it into a different usb port. So i plugged it in the back of my imac and nothing happened, not even the "insufficient power" message. It doesn't mount, won't show up in the desktop nor in the sidebar of a finder window.
I checked the disk utility and the pen-drive shows up there. I see the "main" pen-drive and it's "partition" (i dunno how to call it... mmm... you know, like you're seeing the "parent" drive and its "son" drive but they're "one and the same") and i can see its tech info and i noticed it's formatted NTFS. Since it worked just fine on my friend's macbook pro, i can't figure out why isn't it working in my imac. I know macs can't write NTFS, only read (mine doesn't at least) but hers wrote info in the pen-drive no prob. Another thing i noticed is that the "son" drive is grayed out. I can see its tech info but it's grayed out. Verifying the drive simply shows a message saying "Verify volume failed: Invalid request.".
So, i have no clue as to what's going on. I could give it back and ask my friend to format it as journal or whatever it's called to be mac os compatible and copy the info back again, but i don't know if that'd be a solution until i'm able to try it in a few days. Can't ask her to format it fat32 since the file i need is larger than 4gb, so yeah. Any clues as to what could be the problem? I even tried unplugging any usb peripherals and no dice.
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May 23, 2007
I understand macs can mount .iso with a simple double click, but I want my macbook to treat an iso file as if it were a CD in the cd drive. This is easily done on a C with PowerISO or Alcohol120% I should be able to do it on a mac too, shouldn't I? But I can't seem to figure out how to. When I double click the iso to just mount it, it mounts fine, i can access files and everything, but if I run a program that reads of the CD i of course get the "Please insert CD". Now, I have the CD right here, that's no big problem, but the using drive kills the battery life like nothing else.
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Jan 28, 2009
I have a Lacie ext hard drive with 2 x 250gb HD that were one RAIDed into a single 500gb HD. I ran this update Lacie firmware update: http://www.lacie.com/support/drivers...r.htm?id=10053 And now my HD will only show up as two separate HDs of 250gb instead of a single RAID HD of 500gb.
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