OS X :: Ntfs3g Writing To Disk Crashed -> Corrupted Disk
Nov 19, 2008
I installed ntfs3g on my MBP and it seemed to be working correctly and I had write access to my usb disk.
While I was copying a large file to my disk, the disk was suddenly unmounted from OSX ( I had a warning saying that I should use proper unmount the next time).
I mounted it again but now I cant access the directory I was trying to copy the large file anymore. All the content of this directory is not there anymore.
When I try to access it via Windows, it says "Directory E:Backup is not accessible. The file or directory is corrupted and unreadable"
... owned
What shall I do ? It seems that the other directories are ok. I'd like to recover the lost directory but I'm scared to screw up and lose everything.
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Apr 25, 2012
Fortunately I got a time machine backup. And its restoring the drive while in Lion recovery mode. Here's what happened... I dont have a router a my place at the moment and so my two phones (iphone 4 and htc android) connect to my internet using my MBP's wifi via internet sharig. For some reason they were not able to get an IP from the mbp. After doing some wifi swtich toggles and forgettig & rejoining the network, i decided to reboot all my devices. I shut down my modem, phones and restarted my mbp. On reboot, after the chime, it showed an unsusal 'progress bar' under the apple logo. The bar progressed to about 10% and then the mbp just powered off. This happened several times even after PRAM and SMC reset.
So now i booted with cmd+r pressed and in recovery mode ran a 'verify disk'. It said the verification stopped and that i should repair the disk. When i tried to do that it said the disk cannot be repaird and that i should back up as many files as possible and attempt to format the disk and restore it with time machine. It is precisely what im doing at the moment.
1. Mbp wont sleep even when internet sharing is off
2. Mbp wont lit the onboard display upon opening it in clamshell mode until i removed the 3.5mm audio cable of my speakers from the audio out port!
Info:
MacBook Pro, Mac OS X (10.7.3), Mid 2010
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Nov 24, 2010
so everyone knows the iMac hard drive can be a little noisy, but I just want to know what exactly is being "written" to the disk while doing normal tasks like web surfing.
I often use Safari and can hear the hard drive churning and Activity Monitor will show high red spikes of written data. What is this data being written? Is it normal?
Here's a screen shot of my Activity Monitor while web surfing and watching video with my EyeTV device. Does this look like normal activity to you?
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Aug 14, 2009
I'm using NTFS-3G and have one of my Windows' installations partitions mounted in OSX. I like being able to write to it, but I'd like to prevent OSX from making its invisible files (like ._filename.txt for something I've edited with TextMate) on it because they show up in Windows and are generally of no use. Likewise there's no need to have things like .Trashes there since NTFS-3G can't delete to the trashcan anyway.
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Mar 1, 2012
I have noticed a lot of disk activity reading and writing, it maxes out in bursts up to a couple of minutes at a time and overall seams to be reading and writing a lot of the time, with no processor activity at all. There is no obvious culprits in the activity monitor but terminal displayed large number of read and writes for mds, but spot light is not indexing (no dot in Mag glass) and this has been happening from months now.
Possibly longer noticed it when recieved replacement drive due to crook seagate, may have been doing this but could not hear it. Running last Snow Leopard on iMac 27 mid 2011 i7 custom with 8 gb of ram. also should note this unit has had load of issues Bad Ram, some software problems would not sleep (software) none of which have ever manifested on any of my other (older) macs. Also have noted that this drive activity does seem to coincide with using safari on occasion??
Info:
iMac (27-inch Mid 2011), Mac OS X (10.6.8)
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Dec 3, 2014
I am using OSX 10.6.8 in a MAC Pro desktop. I want to use the Cloud to sync my desktop calendar with my iPhone 5 calendar. When opening up preferences, iCloud is not among the "Internet & Wireless" options. I went into my Applications folder, looking for the App Store application, thinking I could get the application and reinstall the Cloud option. It was there, but a window came up saying: "You can't open the application App Store because it may be damaged or incomplete." So, what would I need to do? I don't have the actual disk for this version to reinstall. If I upgrade to OSX Yosemite, I'm afraid I'll have to upgrade all my main applications to be compatible.
Info:
Mac Pro, Mac OS X (10.6.8)
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Mar 13, 2012
I tried to upgrade the snow leopard from 10.6.0 to 10.6.8 for the good last weekend. I downloaded the upgrade file form apple. But always after downloading it says can not verify the file as the disk image is corrupted.
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Dec 6, 2014
I'm trying to erase my SSD internal drive that is corrupted software (Yosemite).I'm booting from an external with 20GB Yosemite OS & 480GB that contains files I've dragged off the internal SSD.I'm getting the error:Volume Erase failed with the error:Couldn’t unmount disk.How can I get around this?
Info:
MacBook Pro, OS X Yosemite (10.10), 13"
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Dec 9, 2010
is it possible to recover data from a crashed Mac hard disk on a windows platform.
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Feb 24, 2012
So my MBP was really making horrible clicking noise and I figured out that my start up Lion OSX disk partition is corrupted. I have three partitions. One for Lion OS X, another for Documents and another for Movies and Downloads. When I run disk utility and verify other two partitions(documents and movies/downloads), they appear to be okay but when I do the same with Lion OS X then it says:
The volume Lion OS X was found corrupt and needs to be repaired.Error: This disk needs to be repaired....then use Disk Utility to repair this disk. Is my hard drive gonna die soon? Or will it be okay if I just format my 500gb hard drive completely and install the fresh copy of Lion OS X again? I don't have a recovery disc or what so ever provided by Apple anymore. I have a DMG installation file of Lion OS X and a USB flash drive(4 GB approx). How can I repair the disk partition without the recovery start up disc?
Info:
MacBook Pro, Mac OS X (10.7.2), 2009 17 inches
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Sep 4, 2009
I was working my mac using the terminals. I logged in as root using sudo root, and I changed the permission for /urs folder to 754. I should not have done this but I was intending to change /usr/local/svn. Now all the terminals wont open and after the os crashed I tried to log in but that is not happening either. I have tried to boot in safe mode, it is not helping. I was wondering if any one knows if it is possible to log in as root or system. Because at the moment the only thing that seems to be possible way out is to try and repair the OS with the install disk, which I think is risky.
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Aug 28, 2014
Model Name: MacBook Pro
Model Identifier: MacBookPro5,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.4 GHz
Was working on my emails and computer crashed. When I turned the computer back on everything came back except the email program and emails.
Instead it asks me to open new mail account. I can find the emails on my hard drive but when I click on them...goes to same window to open and asks to open new mail acct. How can I recover and have access to my mail account?
Info:
Mac Pro, Mac OS X (10.5.8)
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Jun 7, 2012
When I go on iPhoto I click on the "import all" button and try imorting my pictures from my iPhone to my mac and after a while of importing it completely stops and a window pops out saying "Error writing to disk" and I really don't know what to do to this solution.
Info:
iPhoto '09, Mac OS X (10.5.8)
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Jun 3, 2014
Disk Utility Crashed whilst creating a Partition, and I now have ~100GB missing, which was the amount I had allocated to the new partition.
The new partition didn't get created, and I now have 100GB missing from the Hard drive. I have a 1TB hard drive, and when I go to Disk Utility, it says: Capacity : 999.35 GB (999,345,127,424 Bytes)Available : 586.1 GB (586,103,844,864 Bytes)Used : 310.52 GB (310,524,317,696 Bytes)
Which adds up to about ~900GB.
I tried Repairing Disk in Disk Utility, booting into Recovery Mode and Repairing Disk there, but neither made a difference.
Info:
MacBook Pro (15-inch Mid 2012), OS X Mavericks (10.9.3)
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Jun 2, 2008
My friends iBook hard drive has crashed and I'm in the process of replacing it. However, he had a lot of important data on that hard drive that he needs recovered. Is there any software that you can recommend (for Windows or OS X) that will recover data from corrupt/bad hard drives? I have software for NTFS/FAT32 but don't know of any good ones for HFS.
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Oct 7, 2010
After I erase the hard disk it shows 74.5gb free, almost. It says there is 42.3mb of space being used by 2 files which I understand are used for read write or partitioning or whatever.
When I then leave disk utility and go to the actual installer, the destination disk (untitled - 74.5gb) shows only 73.9gb free space. What is taking up an additional 500mb of space on the hard drive?
Apple support told me that somehow the disk has been altered and I lost space on the disk or I am now using a seperate partition that isn't showing up. Disk utility shows only one partition with 74.5gb free space. He told me I can find information about how to 'merge' the disk on the apple support section under troubleshooting articles for disk utility. I have been unable to locate this information.
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Feb 18, 2009
Yesterday I switched on my macbook (Leopard) and got the flashing question mark. Ran all the resets and booted with disk utility which encountered an 'Invalid B-tree Node' when attempting to repair the disk. Additionally, the SMART status was verified.
I ran DW 4 last night, and performed the hardware tests which reported that the disk was operating like normal. The majority of my media files and additional work is backed up to my Time Capsule but I still have a folder of papers that are relatively new, and wanted to retrieve. While DW managed to reconstruct the majority of my drive (there seemed to be 15g missing - but it's just music files) including this folder, it couldn't replace the disk, as it encountered 'Serious Disk Malfunctions'.
So, via the Disk Preview I want to transfer my saved folders to my TC, but I don't appear to be able to locate it (via ethernet) through DW - even if it's connected when I boot up in DW. So, first request is: Can I connect to my TC to transfer across in DW's preview?
Second is: What are my options if DW can't replace? Do I need to take it into Apple and get a new HD (it's out of warranty)? It's possibly worth noting that I'm a student and have absolutely no money - so cost effective options are a bonus!
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Nov 25, 2009
I am trying to repair my disk so I can install bootcamp, but when I reboot my machine and run disk utility and choose repair disk, it hangs. Does anyone have any ideas ?
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Apr 11, 2010
I am considering purchasing diskwarrior but want to make sure it can help my situation before I purchase it. My imac will not boot from the internal hard drive (Intel processor) When I use disk utility to try and repair the disk, I get error messages and it won't repair. I can see the HD but cannot repair it. When I connect using target mode with my mac book pro, the hard drive does not appear on my host (macbook pro) computer. I have reloaded OS X (Leopard) onto a firewire external drive and can boot my imac that way but I can not find my original internal Macintosh HD. Will disk warrior be able to help with this scenario. I would really like to access that internal Macintosh HD and retrieve my files.
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Feb 11, 2012
I have read most things to do with the grey screen and the screen with the question mark, and it's obvious I have to put some sort of disks in, but there is already a disk stuck in the drive?
Info:
iMac
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Apr 24, 2012
I have a 2TB Western Digital My Book Studio FW800 external that has 5 partitions, connected to my 2011 iMac. I had help doing the partitions and don't really remember the reasoning, but one is just for my SuperDuper! backup, one is Miscellaneous, one for movie clips off my camcorder, one for misc scanned photo's and one for my genealogy research. I back up using Time Machine to a Time Capsule and also to this WD hard drive with SuperDuper!
Recently I'm getting a pop up message that "Mac OS X can't repair the disk "Genealogy"'. And it needs to be reformatted. It's become a read only disk. When I look in Disk Utility it shows all the partitions as "Mac OS Extended (Journaled)" EXCEPT for the one in question. I also noticed that there are a lot of files with "date created" being the same date in 1969! These files may be letters I've written or photo's I added to that partition within the last few years.
I think I have to completely reformat the entire external hard drive to repair this, but I want to make sure. Because it's going to be a major hassle backing it all up to another external (having to get one first) and then figuring out how to make the files that have turned "read only" in that one partition, back to their original state! Does this sound right, that I have to reformat the entire external hard drive? And how do I get the read-only files back to their original state.
Info:
iMac, Mac OS X (10.7.3)
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Jun 24, 2014
I get this question mark along with a folder when starting up. I tried holding down the option key when turning on the power and then I get an internet recovery along with a globe. I click on the arrow below it and it takes maybe 15 minutes to start up. Then i get this disk utilities screen. I'm now unable to do anything. When going into disk utility, disk 0 shows with Mac OS X base system underneath it. All the clickable buttons are faded out. Is there something wrong with the hardrive? and where could i get this fixed? There isn't a warranty on it.
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Jan 2, 2010
Running Diks Util on my iMac 10.6.2. i am given this warning.
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Warning: SUID file "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAgent" has been modified and will not be repaired.
Is it something I should heed and what to do in that case?
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Feb 15, 2011
Recently I purchased an external hard disk, to put all of my pictures of my baby due to space limitations on my internal laptop drive. Since my Canon camera 10 megapixel pictures take up a ton of space this was occurring at an alarming rate. My intention was also to back up to DVD but never got to it. This is both a comment and a question.
Now said baby, is getting really good at pulling cords etc. He managed to do this on the external drive firewire cable. As far as i know the drive was not in the process of actually writing. However, after a few minutes and trying to re-plug the drive the OS crashed with a Grey Screen of Death hardware error that tells you that you need to push the power button..
This apparently corrupted the drive's directory. Upon reboot the drive would not mount. Since there were time machine backups on the drive too Diskwarrior was not able to reconstruct the drive in the built in memory available on the computer. Time machine stores millions of files and Diskwarrior apparently wants to keep it all in memory at once. Since my computer has 2GB you would hope that would be enough but apparently not. So that failed. Other utilities seemed to be able to find the files but not restore the directory. I also took it to the apple store they were not able to recover it.
I have to say this is extremely distressing, and hard to believe that a simple accident like this could cost the loss of thousands of pictures. I did send it to a rescue company but that was expensive but I think apple needs to do something about this situation.
On Windows there is a way to disable the write cache for external drives. This is not available for Mac OS X. This would prevent this rather common occurrence of a plug accidentally becoming disengaged when the drive is not in the process of writing. This reduces the odds but I still think apple, in order to become clearly superior, needs a better solution.
I know Apple has experimented with ZFS would this not eliminate this possibility of this kind of disaster? Is this in Snow Leopard desktop? I know they are thinking this is a business customer focused technology but clearly if it can eliminate this kind of thing then I think it is extremely useful to their non server customers. Perhaps there are other ways of dealing with this issue but ZFS is designed to deal with these issues. HFS+ is extremely fragile to disk corruption.
I know my situation is not that uncommon and this is not the first time this has happened to me with an external drive. You would think I had learned. I hate to think of how many other people have had the same thing happen to them.
Information:
MacBook Pro
Mac OS X (10.5.8)
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Feb 15, 2011
I've download a Seagate Diagnostics programme to check whether my external Seagate FreeAgent Desk is working properly or not. However, when I run the programme, it indicates that cannot find the disk.
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Oct 9, 2010
I had windows vista installed but suddenly the audio decided to become faulty, after spending a day trying to fix it i realized I have a windows 7 install disc so i might as well just replace vista with windows 7. I didnt take care of vista or ever register it so it became quite a task to upgrade so i just deleted the partition and went to create a new one and just do a full install of windows 7.
I made the partition but the wrong format, so i removed it through boot camp assistant and created another, except now it keeps giving me the "back up the disk and use disk utility to format it as a single Mac OS Extended (Journaled) volume. Restore your information to the disk and try using boot camp assistant again" Now, I'd love to do this, except I have no idea what I'm doing and WHY this error has occured. After becoming frustrated I switched from my imac to my macbook pro and received the same error when trying to create a partition. So any help on exactly what I need to do would be a HUGE help. I only use windows for music production (I know, seems backwards, but I use Sony Acid and FL Studio so I'm stuck with Windows)
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Nov 23, 2007
i have been using an external HD for a while now, i was using it today and it was working fine, then out of the middle of nowhere, i get this message: "disk insertion" the disk you inserted was not readable by theis computer....i run disk utility and get this message:[URL]can someone please give me some advice, i have a ton of important stuff on this HD!
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Feb 28, 2009
I'm trying to repair my hard drive. I restarted from the OS X Mac Mini install CD (holding down the letter C when I heard the chime), opened Disk Utility from the Utilities folder, selected my hard drive image, but the "verify disk" and "repair disk" options are grayed out. I'm at a loss as to how to proceed.
Information:
Mac Mini
Mac OS X (10.5.8)
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Jan 9, 2010
I have 43GB available on a 120GB drive on my MacBook base model and I'm trying to partition via BootCamp.I'm trying to allocate 32GB to the Windows partition but I keep getting the following error message:Back up the disk and use Disk Utility to format it as a single Mac OS Extended (Journaled) volume. Restore your information to the disk and try using Boot Camp Assistant again.Now I've backed up my disk and launched disk utility, and try to follow above directions here but the Mac OS Extended (Journaled) area is grayed out and when I click apply after highlighting the MacBook are (in blue), it errors out and says the disk is out of space.
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Aug 3, 2010
One of my drives is showing issues that Disk Utility isn't catching or can't find. I've heard about Diskwarrior, iDefrag, Drive Genius, etc... but which one is the most comprehensive, is there a "best of breed" disk app out there or one that does more than the others?
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