Fsck Disk0s3 I/o Error
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Colin My Macbook (late 2008 Unibody) turned two years old a few days before Christmas. The day after it's birthday disk0s2 i/o error mac (the only reason I know this is because I was checking
Disk0s2 I/o Error Fix
where it fell in terms of warranty, but AppleCare is only one year, not two from purchase date
Disk0s2 I/o Error The Volume Macintosh Hd Could Not Be Verified Completely
so this was pretty irrelevant anyways) I started to suffer from a myriad of issues during use. Beachballing. Bouncing programs in the dock. Random freezes in Firefox when browsing.
Mac Disk1 I/o Error
Connection dropouts. The works. I initially thought this was the work of an outdated program failing to play nice with the newest version of Snow Leopard (10.6.5) which I had installed days before. I began turning off plugins in Firefox and ditching programs from the startup menu to attempt to cure whatever sickness had taken over my laptop. Every fsck disk full error reboot cycle gave me the same problem- the computer would run for about 30 seconds, but then any use and it started beachballing. Finally, it just didn't reboot. The computer hung at the grey screen with the Apple logo and the spinning ball. No peripherals (external hard drive, USB mouse, etc.) were attached so that was immediately ruled out. To attempt to diagnose the problem, I attempted to boot into safe mode. Not happening. Tried resetting the PRAM and NVRAM. Nada. Finally, the next series of steps allowed me to salvage my hard drive and let my Macbook live to see another day (minus a $700 data recovery charge). Boot into single-user mode (sometimes called verbose mode) (hold down Control-V as soon as the Mac chime sounds after pressing the power button). You should now be in an environment that looks like this: At the command line type: /sbin/fsck -fy and press Return. You will receive messages about the disks use and fragmentation as fsck will now go through five phases of disk u
Gaming Smartphones Tablets Windows 8 PSUs Android Your question Get the answer Tom's Hardware>Forum>Mac Os X>Fixing Damaged Sectors without Reformating or using Disk Utility> Closed Fixing Damaged Sectors without Reformating or using volume is mounted with write access Disk Utility Tags: Hard Drives HD Mac OS X Last response: 22 February the volume could not be repaired after 3 attempts 2013 19:51 in Mac Os X Share sadena 5 May 2011 21:48:13 I have a middle aged 12" iBook G4. error 0xe00002ca It has a 60gb HD which apparently has some damage. Disk repair fails. I can hear it doing a seek/fail now and then and the system hangs up for a little while. http://balloflightning.com/2010/12/io-error-os-x-hard-drive-failing/ It is still functional but I think it is getting worse over the last year. I'd replace the HD but it is nearly impossible to get to. Though a larger HD would be nice. I can't use Disk Utility to backup the drive, as it fails. I used another program who's name escapes me, and it fails as well. Any suggestions? If I did go http://www.tomshardware.com/forum/690-69-fixing-damaged-sectors-reformating-disk-utility down the road of replacing the hard drive, I would want to copy the data from the old hard drive to the new, using an external HDD enclosure which I have and works with damaged hard drives, but would Disk Utility copy from a damaged source? More about : fixing damaged sectors reformating disk utility skittle 5 May 2011 23:59:21 I have had (multiple) success(s) with ddrescue with failing unmountable drives like this. It is free open source software from GNU. "It copies data from one file or block device (hard disc, cdrom, etc) to another, trying hard to rescue data in case of read errors." (it will take a lot of time, but will save your data!) I would suggest that you download a (x)ubuntu livecd, and write the harddrive image to an external harddrive. http://www.gnu.org/software/ddrescue/ddrescue.html https://help.ubuntu.com/community/DataRecovery#Software... http://tinyapps.org/docs/imaging_a_corrupt_drive.html ^has good examples of usage last ppc xubuntu images are available here: http://cdimage.ubuntu.com/xubuntu/ports/releases/10.04/... Burn to a disc and boot to the linux Score 0 sadena 8 May 2011 18:52:13 skittle said:I have had (multiple) success(s) with ddrescue with failing unmountable drives like this. It is free open source software from GNU. "It copies da
Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack http://apple.stackexchange.com/questions/56461/repair-disk-from-single-user-mode-fsck-fails Overflow the company Business Learn more about hiring developers or posting ads with us Ask http://forums.macrumors.com/threads/startup-issues.122728/ Different Questions Tags Users Badges Unanswered Ask Question _ Ask Different is a question and answer site for power users of Apple hardware and software. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Repair i/o error disk from single user mode (fsck fails) up vote 17 down vote favorite 8 Earlier today my 2009 iMac emitted I/O errors trying to copy files. So I ran disk utility, verify disk to see if anything was amiss. It was. But as it's my startup disk I couldn't repair it, so I tried safe mode. Safe mode worked the very first time, but when I rebooted it shows the progress bar disk0s2 i/o error filling up, before halting. Every time I turn it on now, the same progress bar then crash happens. Booting in verbose mode reveals fsck is failing with signal 8. Using single-user mode, as that's as far as I'm aware the only way I can get any access to the system, I've been running fsck_hfs. However, it always fails. Below is the output from fsck_hfs -d /dev/disk0s2. ** /dev/rdisk0s2 Using cacheBlockSize=32K cacheTotalBlock=65536 cacheSize=2097152K. ** Root file system Executing fsck_hfs (version diskdev_cmds-491.6~3). ** Verifying volume when it is mounted with write access. ** Checking Journaled HFT Plus volume. ** Checking extents overflow file. ** Checking catalog file. Missing thread record (id = 9931104) Missing thread record (id = 16434146) Missing thread record (id = 19370458) disk0s2: I/O error hfs_swap_BTNode: offsets 10 and 11 out of order (0x0000, 0x0000) Invalid node structure (4, 115897) ** The volume Macintosh HD could not be verified completely. volume check failed with error 7 volume type is pure HFS+ primary MDB is at block 0 0x00 alternate MDB is at block 0 0x00 primary VHB is at block 2 0x02 alternate VHB is at block 1952491198 0x74622d5e sector size = 512 0x200 VolumeObject flags = 0x07 total sectors for volume = 1952591200 0x74622d60 total sectors for embedded volume = 0 0x00 I absol
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