Cp Input Output Error Mac Os X
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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 How to identify and fix files with input output error mac external hard drive corrupted / inaccessible disk blocks up vote 6 down vote favorite 5 I have a late 2011 Macbook Pro, running Mavericks 10.9.2. Its sole HDD is a 750GB drive, formatted with Bootcamp. It's still running reasonably well, but in running a defragment pass on it, I've identified that there are a bunch of files which are refusing to be moved by the defragmenter (iDefrag). iDefrag reports a POSIX error code of 5 when accessing the how to find corrupt files on mac files. Picking one at random and trying to copy the file to another location in the shell also reports an error, which makes me think the problem is real and with the disk / FS. Output of cp is: cp: unity_nophysx.nexe: Input/output error Error code 5 is 'access denied' as far as I'm aware, but the defrag process is running as administrator and running cp using sudo on the suspect file makes no difference. Disk Utility, fsck and the Apple Hardware Test all claim the disk is fine. No SMART errors reported, and while there were some permissions errors, they weren't with the files iDefrag is complaining about, and Disk Utility claims to have fixed them without complaint. There are maybe a hundred or more corrupted files, but still a very small fraction of the drive. As far as I can tell, no system files or crucial data are affected. While it would be nice to retrieve the data, I don't mind reinstalling or going to backups. At this point I don't know if it's really the drive dying, just some bad sectors due to the drive being moved while writing, or some other minor corruption that can be worked around. I'm assuming the worst case, and that most likely I'll have to get a slightly larger HDD and clone the existing drive to a
a title. You can not post a blank message. Please type your message and try again. Sergio_boston Level 1 (0 points) Q: Input / Output error while copying files I am having problems with an external WD 500
How To Fix Corrupted Files On Mac
GB hard drive.The drive has 2 partitions, #1: 184 GB, #2: 315 GBPartion 1 input output error mac disk utility does not mout (even with DU), however most of the important data is on partion #2I am able to recover
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part of the files using the copy command on Terminal.however, many of the files can't be copied due to an input/output error, and these files end up as zero bites files on the http://apple.stackexchange.com/questions/129030/how-to-identify-and-fix-files-with-corrupted-inaccessible-disk-blocks target disk (the correct size shows on the source disk though)I also trying copying the problem files individualy with the same results (zero bytes and input/output error).I think the problem may be due to bad sectors on the external drive, but I don't have any idea on how to fix it.I wonder if deleting from the source drive those files already copied to the target drive https://discussions.apple.com/thread/3491867?tstart=0 and moving the problematic files to another directory may help to solve the problem. Is there any Terminal command to move files from bad sectors to good sectors?Thanks! MacBook Pro, Mac OS X (10.7.2), 3.06 Ghz Intel Core 2 - 8 GB RAM Posted on Nov 14, 2011 8:06 AM I have this question too This site contains user submitted content, comments and opinions and is for informational purposes only. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the efficacy of any proposed solutions on the community forums. Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. All postings and use of the content on this site are subject to the Apple Support Communities Terms of Use. Support Apple Support Communities Shop the Apple Online Store (1-800-MY-APPLE), visit an Apple Retail Store, or find a reseller. Apple Info Site Map Hot News RSS Feeds Contact Us Copyrig
completely halts the copy or move process in the OS X Finder. The full error is usually read as "The Finder can't http://osxdaily.com/2015/02/21/fix-error-code-36-finder-mac-os-x/ complete the operation because some data in "FileName" can't be read or written. (Error http://www.insanelymac.com/forum/topic/276772-recovering-files-giving-inputoutput-error/ code -36)". The filename is sometimes .DS_Store, but it can happen with just about any file. If you run into Error Code -36 on a Mac, there's usually a really simple solution thanks to a handy command line tool called "dot_clean". If you've never heard of dot_clean, you're certainly not alone, and the manual page input output for the command explains that it "merges ._* files with corresponding native files." which may not sound like much to the casual user, but given the oft cause of Error 36 are files prefixed with a dot, that can be exactly what you need to do. How to Resolve Error 36 in OS X Finder with dot_clean To use dot_clean, you'll want to point it at the directory which input output error is being copied and throwing the Error Code 36, the basics look like this: Launch the Terminal (found in /Applications/Utilities/ or with Spotlight) At the command prompt, type: dot_clean /Path/To/Directory/With/Problem/ When dot_clean is finished, attempt the file copy again and it should succeed with no error code For example, if copying ~/Documents/FileBackups/ is the problematic directory, use: dot_clean ~/Documents/FileBackups/ That should be all that is necessary to resolve the issue, just be sure to attempt the file/directory transfer immediately after the command is run. Technically you could point dot_clean at an entire volume but that's probably not necessary unless the -36 error is continuously triggered in Finder when trying to backup an entire drive manually. If the problem is recurrent and you get it constantly when trying to copy files to and from a networked Mac, a network share, external drive of some sort, or to and from a Windows computer, you can also try to delete all .DS_Store files on a Mac using the command line, which can work as a temporary workaround if for some reason dot_clean fails. That was actually what I had done in the past to get around this and other similar input/output error messages before discovering this specific command a
Chat Rules More InsanelyMac Forum OSx86 Project Post-Installation OSx86 10.6 (Snow Leopard) Javascript Disabled Detected You currently have javascript disabled. Several functions may not work. Please re-enable javascript to access full functionality. 0 recovering files giving input/output error Started by bugjah, Mar 05 2012 12:50 AM Please log in to reply 3 replies to this topic #1 bugjah Posted 05 March 2012 - 12:50 AM bugjah InsanelyMac Protégé Members 21 posts Hi all This is a continuation of another thread, which remains unsolved. http://www.insanelym...howtopic=276561 But there were a lot of isues raised in that thread, and I only have one left that I really need to solve. I hope you don't mind me starting a new thread here to try to resolve that one major issue, as it is buried at the end of that long thread, with the relevant info spread throughout. RECAP: 1) I have a Dell Mini 10V running OsX 10.6.7 with NBI 20100616212351 2) It has some sort of bootloader error - it hangs up with an EBIOS error after the Dell startup screen but before OsX is initiated 3) I can boot to a MacOsX utility USB stick, or to linux on a USB 4) I can mount my OsX formatted hard drive and copy off files 5) ...but some files are inaccessible. One folder in particular (one that I would really like to recover) I can "see" in terminal, but it seems to be some kind of corrupt directory. When I try to "cd" to that directory name, I get an input/output error. 6) Disk repair in OsX utilities will not repair the hard drive I am thinking that my only real option is to reinstall OsX and then try to run my file recovery software hoping that the installation will not have written over the files I want to recover. But I wanted to ask if anyone has any other suggestions... for working w