Cannot Create Disk Image Input/output Error
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enter a title. You can not post a blank message. Please type your message and try again. john.smith.1 Level 1 (0 points) Q: Cannot create new image even though verify disk says it appears to be ok disk utility unable to create input/output error i cant create a new image using disc utility (input output error) even though unable to create disk image input output error verify disk says its ok. what is wrong? disc utility Posted on Mar 2, 2012 9:10 AM I have this question disk utility input output error new image too Close Q: Cannot create new image even though verify disk says it appears to be ok All replies Helpful answers Page 1 Next by BDAqua, BDAqua Mar 2, 2012 10:55 AM in response input output error mac disk utility to john.smith.1 Level 10 (123,765 points) Mar 2, 2012 10:55 AM in response to john.smith.1 Where, what is the source & destination exactly? Helpful (0) Reply options Link to this post by john.smith.1, john.smith.1 Mar 2, 2012 11:57 AM in response to BDAqua Level 1 (0 points) Mar 2, 2012 11:57 AM in response to BDAqua source: dvddestination: desktop/hard drive Helpful (0) Reply options Link to this post by BDAqua,
Mac Make Disk Image
BDAqua Mar 2, 2012 1:50 PM in response to john.smith.1 Level 10 (123,765 points) Mar 2, 2012 1:50 PM in response to john.smith.1 Is it a commercial DVD or one you burnt yourself? Helpful (0) Reply options Link to this post by john.smith.1, john.smith.1 Mar 2, 2012 3:35 PM in response to BDAqua Level 1 (0 points) Mar 2, 2012 3:35 PM in response to BDAqua i tested it on both types. some of the ones i burnt myself i can create a new image. some i cannot. the same goes for some "commercial" dvds i tried. Helpful (0) Reply options Link to this post by BDAqua, BDAqua Mar 2, 2012 4:22 PM in response to john.smith.1 Level 10 (123,765 points) Mar 2, 2012 4:22 PM in response to john.smith.1 Well, input/output errors, if not due to corruption, then can be from low power, (Drive or Optical dipping off line), bad Filenames or folder names, (which may be caches or even flaky RAM.If you have Console in Applications Utilities open when try a failing one, do we get any better clues? Helpful (0) Reply options Link to this post by john.smith.1, john.smith.1 Mar 2, 2012 6:45 PM in response to BDAqua Level 1 (0 points) Mar 2,
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Disk Utility Error Codes
developers or posting ads with us Ask Different Questions Tags Users Badges Unanswered Ask Question _ com.apple.diskutility error 3 Ask Different is a question and answer site for power users of Apple hardware and software. Join them; it only takes a minute: Sign unable to create dmg input output error 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 Creating a Backup of a Mac hard drive that won't boot? up vote 3 down vote https://discussions.apple.com/thread/3775334?tstart=0 favorite 1 PowerBook G4 laptop no longer boots. Hooked PowerBook G4 to another running Mac using Firewire and held down the 'T' key on boot up. This is a Mac similar to the one I connected the PowerBook G4 The non-booting drive now appears in the Disk Utility program as APPL FireWire Target Media with a partition of Macintosh HD. The partition is listed as /dev/disk1s3 I already tried fixing the issue using Disk Utility's verify and repair buttons, to http://apple.stackexchange.com/questions/34030/creating-a-backup-of-a-mac-hard-drive-that-wont-boot no avail. Next I tried using diskutil from the Terminal which appears to do pretty much the same thing as the gui version of Disk Utility output below: PowerBook G4$ diskutil verifyVolume /dev/disk1s3 Started verify/repair volume (filesystem) on disk disk1s3 Macintosh HD Checking Journaled HFS Plus volume Checking Extents Overfile Checking Catalog file Invalid sibling link The volume Macintosh HD need to be repaired Error detected while verifying/repairing volume disk1s3 Macintosh HD: Filesystem verify or repair failed (-9957) [ + 0%..10%..20%..30%..40%..50%..60%..70%..80%..90%..100% ] Finished verify/repair volume (filesystem) on disk disk1s3 Macintosh HD Error detected while verifying/repairing volume disk1s3 Macintosh HD: Filesystem verify or repair failed (-9957) I tried using fsck_hfs /dev/disk1s3 from the Terminal, and got the following output: ** /dev/rdisk1s3 ** Checking Journaled HFS Plus Volume ** Checking Extents Overflow file. ** Checking Catalog file. Invalid sibling link (4, 19014) ** Rebuilding Catalog B-tree ** The volume Macintosh HD could not be repaired. I also found some more brash things I could try, but I'm quite concerned about what they might do to the data existing on the laptop. *So that is why I am asking if it might do any good to make a backup dmg (uncompressed and read / write) before I try any of the more brash commands that mess with the inodes of the disk. * The Mac that the PowerBook G4 is connected to is very slow, but is presently creating a .dmg i
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