This is very indicative of a hardware failure, whether it be with the hard drive itself, the logic board or the SATA data cable that runs between the two. One thing i have noticed is disk seems to seek with a rhythum, like the head is trying to read over certain area and has to come back over and over Everything seems to work fine till your system hangs briefly and in an unpredictable way. A few days ago the machine started running really badly with lock ups and beach balls etc and a quick look in the log files showed "kernel: disk0s2: I/O error." messages https://discussions.apple.com/thread/3730727?tstart=0
Then try doing a manual backup using commandline tools like cp or ditto. SU Radar Archive PSU e-Wall SHIPS Output TC Genesis Potential Models TC Track Guidance TC Track Probability Trop. Jefferson Le Blanc, restarting the Finder solved the problem immediately for Error -43. I wanted to try Apple Hardware Tools diagnostics but the startup shortcuts D or opt+D don't work - I read it's been removed so presumably I'll need to find a way
By the way, the old drive is now in an enclosure and I still see disk I/O errors when accessing it via USB which either means it is detecting errors caused on Fix your Mac stuck on encrypting with FileVaultArchives May 2016(2) April 2016(7) March 2016(4) February 2016(3) January 2016(4) December 2015(8) November 2015(11) October 2015(18) September 2015(15) August 2015(16) July 2015(19) share|improve this answer answered Jul 6 '14 at 8:31 C.Jacobs 161 add a comment| You must log in to answer this question. How To Fix Disk0s2 Io Error But after another while, the same thing re-occurs! (This cycle repeats in the current session).
share Share on Twitter Share on Facebook Email Link Like + Quote Reply craig1410, Jul 13, 2012 craig1410 thread starter macrumors 6502a Joined: Mar 22, 2007 Location: Scotland #3 Intell said: Disk0s2 I/o Error Mac Verification: Use Disk Utility and see the SMART status of your HD, although this isn't always reliable. However, support for the resource fork still exists and some files use them. http://hints.macworld.com/article.php?story=20110216112523818 Je kunt deze voorkeur hieronder wijzigen.
My issues are now completely resolved but there was another twist in the story after my last post... Diskos2 Io Error Mac Ideas? Anything I can do without formatting my entire HD? but i feel that this is probably quite normal.
I decided to repair the permissions table. http://balloflightning.com/2010/12/io-error-os-x-hard-drive-failing/ However none of these have helped, same I/O errors afterwards. Mac Disk1 I/o Error share Share on Twitter Share on Facebook Email Link Like + Quote Reply mas90guru, Aug 30, 2012 mas90guru macrumors member Joined: Dec 30, 2007 #6 I'm experiencing a nearly identical issue Corestoragegroup Completeiorequest Error This works with FireWire. [crarko adds: And now Thunderbolt as well.] Clone the disk first if you don't have the backup of data (I use Data Rescue).
Save you a few dollars fixing something?If you so desire, feel free to kick back a dollar or two to help site upkeep. 3 Responses leave one → 2014 July 25 useful reference You can use something like smartmon tools to check the raw SMART status and see this for yourself. OS X Hard Drive Failing… 2010 December 27 tags: data recovery, failing hard drive, fsck, i/o error, os x, snow leopard by Colin My Macbook (late 2008 Unibody) turned two years Welcome to Mac-Forums! Osx I/o Error
Description: [Connection interrupted] Aug 4 22:37:03 MacBook–Air–2.local CalendarAgent: AOSKit ERROR: XPC CLIENT: Connection [0x7fca1b4cfda0] event handler received event with type: [XPC_TYPE_ERROR]. Jun 17 09:32:54 localhost kernel: BSD root: disk0s9, major 14, minor 9 Jun 17 09:32:55 localhost diskarbitrationd: disk0s9 hfs 758A4EB5-32CD-3FD1-8B3B-912ACBE13134 Macintosh HD The thing is it doesnt really notice this time... Why aren't Muggles extinct? my review here share|improve this answer answered Oct 8 '13 at 18:58 Mr Rabbit 6,56011930 Thanks, I found my disc and ran AHT, which gave the error code 4hdd/11/40000000 SATA (0,0) -
Thankfully it's a fairly easy repair! –Mr Rabbit Oct 9 '13 at 19:11 I get to go shopping for a new SSD drive so it's not all bad :) Kernel: Disk0s2: I/o Error. webpromo 837.878 weergaven 14:44 OS X - Boot to the Recovery Partition in Lion/Mountain Lion - Duur: 6:08. Apple Hardware Apple Desktops Apple Notebooks Apple TV Other Hardware and Peripherals Developer Playground iOS Development OS X - Development and Darwin « Previous Thread | Next Thread » Thread Information
Note that Zeroing all data takes a long time. Hard disk drives today have extensive error correction built in; by the time I/O errors bubble up to the OS, it's already quite far gone, especially if it's more than extremely Clean it up well. Disk1s2 I/o Error Sure enough there were a few disk I/O errors in the log files during the download.
SATA cable replacement 2. Resetting port. Even if your Disk Volume error is fixed, it is imperative to do the HW test. http://applecountry.net/o-error/disk-os-2-i-o-error-mac.php Laden...
I restored from Time Machine, going back to before the machine became unstable to avoid any corrupted files. So, although I knew all along that it was possible for a brand new drive to be faulty, I was pretty unlucky that it was faulty in an almost identical way Home/Forum New Posts Unanswered Forum Actions Mark Forums Read Quick Links Today's Posts Articles Product Reviews Advertise Contact Us Deals Advanced Search Forum Apple Hardware Apple Notebooks Disk I/O error - Bezig...