Home > couldn 39 t unmount > diskutil error 9939

diskutil error 9939

Please enter a title. You can not post a blank message. Please type your message and try again. keestux Level 1 (0 points) Q: diskutil: The partition cannot be resized but there is plenty of space This is the error I get: The partition cannot be resized. Try reducing the amount error: -69888: couldn't unmount disk of change in the size of the partition.First of all, this is really not a helpful message. disk erase failed with the error couldn't open device Why can't diskutil tell me how much change I need?But worse of all, there is plenty of space. Situation before the resize: * disk size:

Volume Erase Failed Couldn't Open Disk

1TB * GUID partition table * one partition using all disk * the partition has a HFS+ volume with about 360GB occupiedNow, using Disk Utility I want reduce the partition to 500GB. It tells me that (after the resize) there will be

Erase Process Has Failed El Capitan

222GB space available. When I select Apply it starts to process. First it takes a looooong time to verify (the disk?, the partition?). And in the end it comes up with this famous error. "Try reducing the amount of change in the size of the partition.". Huh? Why?Let me also say that the HFS+ volume is used for TimeMachine. But I have been careful to stop TM, I even tried after a reboot, and I even tried using Disk Utility from the installation DVD. erase process has failed press done to continue And all the time it gives me that same error message. OK. I haven't tried to change the resize amount, because I simply don't know how much. And it is really not an option to just try, because it takes forever. Live is too short.Has anyone successfully resized a partition with a HFS+ volume on it AND used for TM? MacPro, Mac OS X (10.6.2) Posted on Apr 11, 2011 12:14 PM I have this question too Close Q: diskutil: The partition cannot be resized but there is plenty of space All replies Helpful answers by Kappy, Kappy Apr 11, 2011 12:30 PM in response to keestux Level 10 (271,467 points) Desktops Apr 11, 2011 12:30 PM in response to keestux Firstly, consider that a resize requires that the new partition requires a contiguous amount of space. The error generally means the drive is fragmented such that it cannot be resized as you have requested.Secondly, your TM volume needs to be at least twice the capacity of the drive you are backing up.I assume that currently this drive has one partition - 1 TB. If that's not the case then you need to tell us just exactly how the drive is now partitioned and which partition you are trying to resize. Helpful (0) Reply options Link to this post by keestux, keestux Apr 11, 2011 12:47 PM in response to Kappy Level 1 (0 points) Apr 11, 2011 12:47 PM in response to Kappy Hi Kappy, thanks for replying so quic

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 Overflow the company Business Learn more about hiring

File System Formatter Failed

developers or posting ads with us Ask Different Questions Tags Users Badges Unanswered Ask Question _ unable to write to the last block of the device Ask Different is a question and answer site for power users of Apple hardware and software. Join them; it only takes a minute: Sign partition failed couldn't unmount disk 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 Unable to format / erase hard drive up vote 11 down vote favorite 3 I https://discussions.apple.com/thread/2812637?start=0&tstart=0 have an external HD that died on me a while ago and I'm trying to see if I can format / erase it to start using it again. The disk does not show up in Finder but I can see it in Disk Utility. When I try to erase it from there I get Disk Erase failed with the error: POSIX reports: The operation couldn’t be completed. Cannot allocate memory When I try to verify the volume: diskutil verifyVolume /dev/disk2 http://apple.stackexchange.com/questions/125965/unable-to-format-erase-hard-drive Error starting filesystem verification for disk2: Unrecognized filesystem (-9958) I've tried running a surface scan in Techtools Pro, it processed 650 blocks and all were bad. I cancelled the operation cause it was very slow. Diskutil info /dev/disk2 tells me: Device Identifier: disk2 Device Node: /dev/disk2 Part Of Whole: disk2 Device / Media Name: WD Ext HDD 1021 Media Volume Name: Escaped with Unicode: Mounted: No File System: None Partition Type: None Bootable: Not bootable Media Type: Generic Protocol: USB SMART Status: Not Supported Total Size: 2.0 TB (2000396746752 Bytes) (exactly 3907024896 512-Byte-Blocks) Volume Free Space: Not Applicable Read-Only Media: No Read-Only Volume: Not applicable (no filesystem) Ejectable: Yes Whole: Yes Internal: No OS 9 Drivers: No Low Level Format: Not Supported I've also tried: diskutil eraseDisk JHFS+ Stef2TB /dev/disk2 Started erase on disk2 Unmounting disk Creating partition map Waiting for disks to reappear Formatting disk2s2 as Mac OS Extended (Journaled) with name Stef2TB Error: -9944: File system formatter failed Can I salvage this drive somehow or is it ready for the trash? hard-drive disk-utility share|improve this question edited Oct 26 '14 at 14:24 nschum 1285 asked Mar 30 '14 at 8:28 stef 2132511 Did you find the answer in the end? Im having the exact same issue.. –user88264 Aug 20 '14 at 12:37 add a comment| 5 Answers 5 active oldest votes up vote 10 down vote I found this worked perfectly (from the terminal

upgrade - partitioning error If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link http://www.mac-forums.com/showthread.php?t=188135 above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. Welcome to Mac-Forums! Join us to comment and to customize your site experience! Members have access to different forum appearance options, and many more functions. Page 1 of 2 12 Last Jump to page: Results 1 to 15 of 19 Thread: drive upgrade - partitioning error Tweet Thread Tools Show Printable Version couldn't unmount Subscribe to this Thread… 01-24-2010,07:01 AM #1 dannnnn View Profile View Forum Posts Member Since Jan 24, 2010 Posts 8 drive upgrade - partitioning error hi there, i have a current model macbook pro 13.3" running osx 10.6.2. it is my first mac and it is a great machine! however the standard 250gb hard drive is a little on the small side for me, so i purchased a 500gb hard drive couldn't unmount disk as an upgrade. to get my data from the old 250gb drive to the new 500gb drive i used a borrowed diskjockey pro which copies the data across sector by sector to make an exact image - very easy! after using this tool i installed the 500gb hard drive and the machine booted up first time and works just like it did before. unfortunately, when i try to create a new partition in OSX's disk utility to take advantage of the extra space i get an error. it says 'partition failed with the error: the chosen file size is not valid for the chosen filesystem'. if i try to resize the existing partition to use up all of the available space i get a different error. it says 'partition failed with the error: mediakit reports partition (map) too small'. so at the moment i can't figure out a way of using the extra 250gb of space! it seems that this might be because of the way i copied the drive - because it copied everything off the 250gb drive sector by sector the partition table on the 500gb drive must think it is a 250gb drive?? indeed in the support section of the diskjockey website they say that it can

 

Related content

No related pages.