Getmasterblock Error 16 Opening /dev/md0
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TB disk3 1: DOS_FAT_32 scratch 500.1 GB disk3s1 2: Apple_HFS foobar 500.1 GB disk3s2 so mounting in Terminal
Asr: Volume Adjustment Failed: Unknown Error: -123
was attempted: $ sudo mount -t hfs /dev/disk3s2 ~/temp/ Password: mount_hfs: Permission diskutil volume failed to mount denied again: $ sudo /System/Library/Filesystems/hfs.fs/hfs.util -MU disk3s2 ~/temp/ fixed readonly nosuid nodev Password: mount_hfs: Invalid argument and again: diskutil force mount $ sudo diskutil mount readOnly /dev/disk3s2 Password: Volume on disk3s2 failed to mount If the volume is damaged, try the "readOnly" option to no avail. Next, the HFS+ volume
Sudo Asr Adjust --target /dev/disk1s2 --settype "apple_hfs"
was imaged with ddrescue: $ sudo ddrescue -v /dev/disk3s2 ~/temp/foobar.dmg ~/temp/logfile.log Attempting to mount the image failed as well: $ hdiutil attach -nomount ~/temp/foobar.dmg /dev/disk5 $ diskutil list ... /dev/disk5 #: TYPE NAME SIZE IDENTIFIER 0: foobar *500.1 GB disk5 $ mount -t hfs -r /dev/disk5 ~/temp/ mount_hfs: Invalid argument $ mount -t hfs -r /dev/disk5s0 ~/temp/ GetMasterBlock:
Mount_hfs Invalid Argument
Error 2 opening /dev/rdisk5s0 mount_hfs: No such file or directory $ mount /dev/disk5 ~/temp/ mount: You must specify a filesystem type with -t. $ diskutil mount readOnly /dev/disk5 Volume on disk5 failed to mount; if it has a partitioning scheme, use "diskutil mountDisk" If the volume is damaged, try the "readOnly" option $ diskutil mountDisk readOnly /dev/disk5 Volume(s) mounted successfully (Despite the promising "Volume(s) mounted successfully" message, nothing was mounted.) $ mount -t hfs -r /dev/disk5s0 ~/temp/ GetMasterBlock: Error 2 opening /dev/rdisk5s0 mount_hfs: No such file or directory $ mount -t hfs -r /dev/disk5 ~/temp/ GetMasterBlock: Error 16 opening /dev/rdisk5 mount_hfs: Resource busy Happily, a blog post by bbum entitled Recovering Disk Images with DiskWarrior held the answer: $ sudo hdiutil mount -nomount -readwrite ~/temp/foobar.dmg The image should now be attached and appear in DiskWarrior / Disk Utility for repair. Indeed, DiskWarrior repaired the image successfully: DiskWarrior has successfully built a new optimized directory for the disk named "foobar." The new directory is ready to replace the original directory. ... The original directory is
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Hfs.util El Capitan
posting ads with us Super User Questions Tags Users Badges Unanswered Ask Question _ Super User is a question and answer volume on disk failed to mount site for computer enthusiasts and power users. 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 https://tinyapps.org/blog/mac/201509100700_os_x_volume_wont_mount.html and rise to the top Restore whole OS X from damaged but yet somehow accessible HFS+ partition up vote 2 down vote favorite 1 Okay, here's my problem: my disk got damaged (most possibly by the power problems). Disk utility shows it in gray color and won't mount offering me to check and repair it. Needlessly to say it won't repair it (neither in Mac OS X nor in http://superuser.com/questions/667335/restore-whole-os-x-from-damaged-but-yet-somehow-accessible-hfs-partition Linux). Here's a picture showing Disk Utility Macintosh HD is listed gray in Disk Utility: http://i.stack.imgur.com/zvBBr.png When I try to mount it as readonly in Mac OS X i get the following error message: $ sudo mount -t hfs -o rdonly /dev/disk1s2 /Volumes/OldDrive/ GetMasterBlock: Error 16 opening /dev/rdisk1s2 mount_hfs: Resource busy But! Linux will mount it as readonly. Which is really good. Even more: Mac OS X booted into single user mode (cmd+S) will allow me to browse the structure and cat files. I don't really want to just copy necessary files form that damaged disk from under linux. I want to restore that disk to my freshly installed one. What will you suggest me to do? Can I mount that disk under OS X somehow? If i can't, how can I get the data from that disk so OS X would recognize it as a backup and restore all my settings and applications into fresh installation? Thank you very much! linux osx mac partitioning data-recovery share|improve this question asked Oct 30 '13 at 11:35 Konstantin Bodnia 12515 Do you know whether it's an issue with the data, or whether it's a hardware problem? For the former, I've had some good experience
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