Can't format external HDD using terminal: Error: -69877: Couldn't open device

Disk Utility won't format / erase Seagate Barracuda 2TB (ST2000DM001) - it is an internal drive but I connected it using a docking station via USB. The disk is brand new and unformatted. System indicates that it is S.M.A.R.T incompatible
When trying to erase the disk, I get error message "disk / link could not be found / opened".
I tried using terminal "diskutil eraseDisk HFS+ newdisk /dev/disk3" but I get this message:
Started erase on disk3
Unmounting disk
Error: -69877: Couldn't open device
Any way I could force format the disk?

Thank you @MrHofman. I had a setup with 2 dock stations and 2 HDDs (my TimeCapsule had crashed and I needed to recover its content disassembling the "box"). I disconnected everything. I restarted the computer., I swithched the USB ports in which I had connected the dock stations; I swithched the HDDs from dock stations, and voilà, the system allowed me to format the "recovery" HDD. Sometimes the "simplest" solutions work...
@Linc Davis: prior to the fix described above, when trying to partition, same thing would occur : "can't open link / disk" error message. But now it seems to be working fine. Thank you anyway!

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Default, Windows will not recognize Mac formatted disks.
A number of applications can enable Windows to read them.
Take a look at this page: http://www.macwindows.com/disks2.html
I don't have experience with any of the apps. mentioned on that page, so I can't tell you how they perform.
Maybe posting in the iTunes for Windows forum will result in specific information.
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Premiere Elements - Error 2048 couldn't open file......Question

Windows 8.1
6 gigs of ram
I get the following error when I attempt to open a created file for viewing.
"Error- 2048: Couldn't open file.....not a file Quicktime understands.
I am creating the file in the default NTSC 720 format. I get the same message with trying to wide screen format.
This error seems new as it did not use to happen.
Can someone explain how to correct this error. In researching the problem I came across:
1. trying third party repair software (which doesn't seem to solve the problem.)
2. that the error refers to an error with the movie rendering (as opposed to the audio.)
Been working on this for four hours. Any help is certainly appreciated. Thanks.
- Craig

Craig
What version of Premiere Elements on your Windows 8.1 (assumed 64 bit)? For now I will assume 11, 12, or 13.NT
Please confirm that your export setting from Premiere Elements were
Publish+Share
Computer
QuickTime
with Presets = NTSC DV 16:9
and that you did not customize the settings, just hit save to get your widescreen DV.mov export.
That export should be fully playable with the latest version of QuickTime.
If you confirm that QuickTime player is rejecting it with your error 2048, then uninstall and install QuickTime
with the antivirus and firewall(s) disabled.
a. Try to open the existing DV.mov again in QuickTime
and
b. Create a new DV.mov in Premiere Elements and try to open it in QuickTime.
What are the results from a and b?
We will be watching for your progress.
Thank you.
ATR

PDF Generation Error Message:Couldn't open File while generating PDF from a Frame (7.2 Version) book

Hi,
I'm trying to convert a book into PDF and I get the error message Couldn't open a file (... <filename>.fm) and the unavailable Fonts dialog box also appears. The tricky thing is I've converted the same book into PDF just a couple of days ago. Now when I tried to do it again, I get the above mentioned error message. I tried unselecting the File > Prefrences > General > Remember Missing Fonts checkbox too. However, it didn't help in generating the PDF. I will be thankful if anyone suggests a suitable workaround for this issue. Thanks in advance.

Usually, deselecting Remember missing fonts works.
The missing fonts message displays when you or FrameMaker opens the file. The workaround is to open all the files in the book, or at least those with the "missing" font, clearing the message for each file. Now print the book to PDF, while keeping the files open. This usually works because you have already cleared any missing fonts messages.

Can't format internal hdd

Hi,
At the moment OS X is located on external hdd. I want to format the internal drive and install OS X there, but I can't:
Disk utility says:
2013-04-21 03:53:07 +0700: Verifying partition map for “ST31000528AS Media”
2013-04-21 03:53:07 +0700: Starting verification tool:
2013-04-21 03:53:07 +0700: Checking prerequisites
2013-04-21 03:53:08 +0700: Checking the partition list
2013-04-21 03:53:08 +0700: Checking for an EFI system partition
2013-04-21 03:53:08 +0700: Checking the EFI system partition’s size
2013-04-21 03:53:08 +0700: Checking the EFI system partition’s file system
2013-04-21 03:53:08 +0700: Checking all HFS data partition loader spaces
2013-04-21 03:53:08 +0700: Checking Core Storage Physical Volume partitions
2013-04-21 03:53:08 +0700: Checking storage system
2013-04-21 03:53:08 +0700: Checking volume.
2013-04-21 03:53:08 +0700: disk0s2: Scan for Volume Headers
2013-04-21 03:53:08 +0700: disk0s2: Scan for Disk Labels
2013-04-21 03:53:08 +0700: Logical Volume Group 80EEA382-7772-4893-B31E-A6038DBC1D34 on 1 device
2013-04-21 03:53:08 +0700: disk0s2: Scan for Metadata Volume
2013-04-21 03:53:08 +0700: Logical Volume Group has a 16 MB Metadata Volume with double redundancy
2013-04-21 03:53:08 +0700: Start scanning metadata for a valid checkpoint
2013-04-21 03:53:08 +0700: Load and verify Segment Headers
2013-04-21 03:53:08 +0700: Load and verify Checkpoint Payload
2013-04-21 03:53:08 +0700: Load and verify Transaction Segment
2013-04-21 03:53:08 +0700: Load and verify Transaction Segment
2013-04-21 03:53:08 +0700: Load and verify Transaction Segment
2013-04-21 03:53:08 +0700: Load and verify Transaction Segment
2013-04-21 03:53:08 +0700: Incorporate 3 newer non-checkpoint transactions
2013-04-21 03:53:08 +0700: Load and verify Virtual Address Table
2013-04-21 03:53:08 +0700: Load and verify Segment Usage Table
2013-04-21 03:53:08 +0700: Load and verify Metadata Superblock
2013-04-21 03:53:08 +0700: Load and verify Logical Volumes B-Trees
2013-04-21 03:53:08 +0700: Logical Volume Group contains 0 Logical Volumes
2013-04-21 03:53:08 +0700: Load and verify Freespace Summary
2013-04-21 03:53:08 +0700: Load and verify Block Accounting
2013-04-21 03:53:08 +0700: Load and verify Live Virtual Addresses
2013-04-21 03:53:08 +0700: Unable to bootstrap transaction group 260523: inconsistent crosscheck
2013-04-21 03:53:08 +0700: Continue scanning metadata for an older checkpoint
2013-04-21 03:53:08 +0700: Load and verify Segment Headers
2013-04-21 03:53:08 +0700: Load and verify Checkpoint Payload
2013-04-21 03:53:08 +0700: Load and verify Transaction Segment
2013-04-21 03:53:08 +0700: Incorporate 0 newer non-checkpoint transactions
2013-04-21 03:53:08 +0700: Load and verify Virtual Address Table
2013-04-21 03:53:08 +0700: Load and verify Segment Usage Table
2013-04-21 03:53:08 +0700: Load and verify Metadata Superblock
2013-04-21 03:53:08 +0700: Load and verify Logical Volumes B-Trees
2013-04-21 03:53:08 +0700: Logical Volume Group contains 0 Logical Volumes
2013-04-21 03:53:08 +0700: Load and verify Freespace Summary
2013-04-21 03:53:08 +0700: Load and verify Block Accounting
2013-04-21 03:53:08 +0700: Load and verify Live Virtual Addresses
2013-04-21 03:53:08 +0700: Unable to bootstrap transaction group 260522: inconsistent crosscheck
2013-04-21 03:53:08 +0700: Continue scanning metadata for an older checkpoint
2013-04-21 03:53:08 +0700: Load and verify Segment Headers
2013-04-21 03:53:08 +0700: Load and verify Checkpoint Payload
2013-04-21 03:53:08 +0700: Load and verify Transaction Segment
2013-04-21 03:53:08 +0700: Incorporate 0 newer non-checkpoint transactions
2013-04-21 03:53:08 +0700: Load and verify Virtual Address Table
2013-04-21 03:53:08 +0700: Load and verify Segment Usage Table
2013-04-21 03:53:08 +0700: Load and verify Metadata Superblock
2013-04-21 03:53:08 +0700: Load and verify Logical Volumes B-Trees
2013-04-21 03:53:08 +0700: Logical Volume Group contains 0 Logical Volumes
2013-04-21 03:53:08 +0700: Load and verify Freespace Summary
2013-04-21 03:53:08 +0700: Load and verify Block Accounting
2013-04-21 03:53:08 +0700: Load and verify Live Virtual Addresses
2013-04-21 03:53:08 +0700: Unable to bootstrap transaction group 260521: inconsistent crosscheck
2013-04-21 03:53:08 +0700: Continue scanning metadata for an older checkpoint
2013-04-21 03:53:08 +0700: Load and verify Segment Headers
2013-04-21 03:53:08 +0700: Load and verify Checkpoint Payload
2013-04-21 03:53:08 +0700: Load and verify Transaction Segment
2013-04-21 03:53:08 +0700: Incorporate 0 newer non-checkpoint transactions
2013-04-21 03:53:08 +0700: Load and verify Virtual Address Table
2013-04-21 03:53:08 +0700: Load and verify Segment Usage Table
2013-04-21 03:53:08 +0700: Load and verify Metadata Superblock
2013-04-21 03:53:08 +0700: Load and verify Logical Volumes B-Trees
2013-04-21 03:53:08 +0700: Logical Volume Group contains 0 Logical Volumes
2013-04-21 03:53:08 +0700: Load and verify Freespace Summary
2013-04-21 03:53:08 +0700: Load and verify Block Accounting
2013-04-21 03:53:08 +0700: Load and verify Live Virtual Addresses
2013-04-21 03:53:08 +0700: Unable to bootstrap transaction group 260520: inconsistent crosscheck
2013-04-21 03:53:08 +0700: No valid commit checkpoint found
2013-04-21 03:53:08 +0700: The volume 80EEA382-7772-4893-B31E-A6038DBC1D34 was found corrupt and needs to be repaired.
2013-04-21 03:53:08 +0700: Problems were found with the partition map which might prevent booting
2013-04-21 03:53:08 +0700: Error: This disk needs to be repaired. Click Repair Disk.2013-04-21 03:53:08 +0700:
2013-04-21 03:53:08 +0700: : This disk needs to be repaired. Click Repair Disk.
2013-04-21 03:53:08 +0700: Verifying volume “BOOTCAMP”
2013-04-21 03:53:08 +0700: Starting verification tool:
2013-04-21 03:53:08 +0700: Checking file system2013-04-21 03:53:08 +0700: Checking volume.
2013-04-21 03:53:08 +0700: Checking main boot region.
2013-04-21 03:53:08 +0700: Checking system files.
2013-04-21 03:53:08 +0700: Volume name is BOOTCAMP.
2013-04-21 03:53:08 +0700: Checking upper case translation table.
2013-04-21 03:53:08 +0700: Checking file system hierarchy.
2013-04-21 03:53:08 +0700: Checking active bitmap.
2013-04-21 03:53:08 +0700: Rechecking main boot region.
2013-04-21 03:53:08 +0700: Rechecking alternate boot region.
2013-04-21 03:53:08 +0700: The volume BOOTCAMP appears to be OK.
2013-04-21 03:53:08 +0700: Repair tool completed:
2013-04-21 03:53:08 +0700:
2013-04-21 03:53:08 +0700:
And it can't be repaired in disk utility.
But I can load Win7 from bootcamp partition and it works perfectly.
Please, help me to find out how to erase internal hdd.

Are you trying to repartition the drive? Remove the Boot Camp partition only using Boot Camp Assistant.
If you are trying ERASE the OS X volume/partition and reinstall Mountain Lion from scratch:
Install or Reinstall Lion/Mountain Lion from Scratch
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Erase the hard drive:
1. Select Disk Utility from the main menu and click on the Continue button.
2. After DU loads select your startup volume (usually Macintosh HD) from the
      left side list. Click on the Erase tab in the DU main window.
3. Set the format type to Mac OS Extended (Journaled.) Optionally, click on
        the Security button and set the Zero Data option to one-pass. Click on
      the Erase button and wait until the process has completed.
4. Quit DU and return to the main menu.
Reinstall Lion: Select Reinstall Lion/Mountain Lion and click on the Install button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible
            because it is three times faster than wireless.

Can't format external drive as FAT32

I just bought a brand new 4TB Seagate external HDD with the notion that I would hook it up to the back of my Time Capsule. I will want this drive accessible for both Mac and PC. According to this page my only real option then is FAT32. Here's my problem. When I open Disk Utility and select my drive, and then the Erase tab, no option will work for erasing the disk. I get an error. If I select the volume (indented under the drive) and the Erase tab, I don't get FAT32 as an option. I have the "Mac OS Extended" and "exFAT" as my only options. I can format the drive successfully using either of these two. However, the Time Capsule only recognises it has been formatted as "Mac OS Extended" as expected. Can anyone tell me how I can use Disk Utility to format the drive as FAT32 format?

Ok, that worked.... kind of. When I selected the Partition tab and '1 Partition' it allowed me to format it as FAT32. I went and plugged it into the Time Capsule, and the drive shows up in the Airport Utility under the "Disks" tab. However, something still isn't kosher here. When I open a Finder window and click on my Time Capsule, I see the external drive. But the file I copied onto to it immediately after doing the format doesn't show up. It appears as though the drive is empty. Then after about 30 seconds I get an error message that my drive can't be found.
On a side note, I have formatted the drive as exFAT, but when I plug it into the Time Capsule, it does not recognize it all. Because the page I linked to in my original post did not specify exFAT that's why I wanted to try FAT32.

VMware Fusion - Journaled External HDD using MacDrive or NTFS?

I plan to use VMware Fusion running XP Pro via a Bootcamp partition. Along with this I would like a dedicated external HDD for my windows work files (Premiere Pro etc). The trouble is, I'm not sure what way to go with the formatting of the external HDD.
Would I be better to run MacDrive on the Windows system and work off a Journaled format, or NTFS (with something like Paragon on the OS X side)?
I don't want to use FAT32 as I will be working with large video files (<4GB) on the windows side.
Has anyone had any experience with this?

I'm not really answering your question (sorry), but you can create a virtual hard drive from within VMware's interface. The file for the virtual hard drive can reside anywhere, including your external drive. It will start out small and grow up to the max size you specify when you create it. On the Windows side, it looks like a regular hard drive. In my case, my second drive mounts as the "E:" drive.
I find this useful, because the virtual drive does not take up my whole external drive. And the external drive can be formatted for Mac (HFS+) while Windows XP thinks the second drive is formatted for NTFS. In my case, the file for the virtual drive resides on an external drive that I uses for other Mac things.
Now, if you want to share data from both the Mac and Windows sides, instead of using a virtual hard drive (or a real hard drive), you can use WMware's Shared Folders feature to map a share point on the Mac side as a network drive on the Windows side. In my case, I have a folder in my Mac OS X user Documents folder mapped to drive Z: in Windows. Since it's not really going over a network, it is fast.
So if I use this drive in Windows, the files are immediately available in Mac OS X. If you access that folder in Mac OS X, the changes are immediately available in Windows. I can probably go the other way and connect from the Mac side to a share point on the Windows side, but I haven't figured that out yet.

Can't format external drive for Mac

I got an external Seagate Freeagent 750GB drive to use with my new Mini. It came formatted as a windows FAT volume. Since I don't have a FW400 to FW 800 cable yet, I have it connected via USB. When I try to reformat as a Mac drive (with any of the 4 case-sensitive / journaled options), I get an error, but I can then reformat as FAT. Does anyone know how I can format this drive as mac and what the problem is?

It may have something to do with the partition scheme. There are at least three different schemes. One is used for windows formats (so you can use FAT32 or NTFS format), one is used for Intel Mac (probably GUID, not sure), and one is used for PowerPC Mac (probably the Apple Partition Map, again not sure). I don't know whether it is smart enough to choose the appropriate scheme for you when you have selected a format for your partition. Try to select the right scheme for Intel Mac first, and then decide on the format on each (if you have more than one partition on that disk) partitions.
I think you have to make sure the format is compatible with the scheme, especially when you have multiple partitions on one disk. You can't format one partition to FAT32 and another to HFS+, although it will try to do something, but it will end up with error.

How to read and write to the same external HDD using Mac and PC

Hello,
I am using a mid 2014 MacBook Pro.
I read somewhere that to write to an external HDD from a Mac, you need to format it in a particular way.
But this would stop it from being used on my PC. Is there any way I can write to the same HDD from both OSes ?
Thanks !

Yes. Format the HDD to FAT or ExFAT. It seems best to do that on a PC.
Ciao.

How to read data from PC format external disk, using Labview MAC

Hi folks,
For years I have not been able to read data files from a PC formatted (created) external disk, using Labview for Mac. More specifically:
- I have Labview 7.01 running on OS X 10.4.11 on a PowerBook G4
- I have a 500GB external USB/firewire disk that was formatted on a PC and has data files (custom format) that were created on the PC. I believe that C code actually creates the files, but Labview 7/PC opens the files and appends some info (I don't think the fact that C or Labview touches the files is actually relevant to this issue though).
- I can connect the 500 GB disk to my mac, and it will mount just fine and OS X can see all of the data files (and anything else on the disk).
- if I use my Labview app to open and read a data file it fails:
- open/create/replace.vi (with read-only access) shows a file dialog window that lets me navigate to any file on the external disk.
- but, the vi returns an error 7
- if I use OS X to copy the data file to my Mac disk, my Labview app works fine.
So, does anyone know if:
- I'm just doing something wrong in my Mac Labview app?
- Labview 7.x solves this problem?
- Labview 8/Mac solves this problem?
- OS X 10.5 solves this problem; with Labview 7 or 8; or does OS X 10.5 worsen the problem?
Thanks, in advance...

Hi kehander,
Thanks for the reply. I tried filling a constant path with the Mac-defined path to a data file on the USB disk (ie "DATA2:file1.dat"). This resulted in the same error message.
I then considered that maybe I was misinterpreting the LV error message, and that perhaps I was supposed to address the file using PC-notation (ie. "DATA2\file1.dat"), even though the app is running on a Mac. No joy with this, but I get a different error msg:
"Error 1430 occurred at Open File
Possible reason(s):
LabVIEW: The path is empty or relative. You must use an absolute path."
Can you share what your reasoning was for your suggestion... I'm not sure I understand why a constant path would produce different results?

Can't format external hard drive enclosure

I connected a 250gb external hard drive enclosure to my mac osx 10.3.9. I was told that it was formatted to windows and that i would have reformat it to mac.
I was given instructions to go to Disk Utility, select the volume and click on the partition tab, but a partition tab didn't appear when i pressed it.
I checked out the info for the volume and this is what it gave me:
Name : New Volume
Type : Volume
Disk Identifier : disk1s1
Mount Point : /Volumes/New Volume
File System : Winows NT Filesystem
Connection Bus : USB
IO Content : Windows_NTFS
Writable : No
Capacity : 232.9 GB (250,056,705,024 Bytes)
Free Space : 232.8 GB (249,976,606,720 Bytes)
Used : 76.4 MB (80,097,792 Bytes)
Number of Files : 48
Number of Folders : 0
Permissions Enabled : Yes
Can Turn Permissions Off : No
Can Repair Permissions : No
Can Be Verified : No
Can Be Repaired : No
Can Be Formatted : No
Bootable : No
Supports Journaling : No
Journaled : No
Disk Number : 1
Partition Number : 1
Final Cut Pro wouldn't let me use it as a sratch disk because it says it is on write-protected.
Does anyone know what i have to do to get the volume to work.
Thank you.

Jayden:
Here are some directions for formatting and partitioning a HDD:
Partitioning a Hard Disk Drive
Boot from the install CD holding down the "C" key.
Select language
Go to the Utilities menu and launch Disk Utility.
Select your HDD (manufacturer ID) in left side bar.
Select Partition tab in main panel.
Select # of partition in pulldown menu above Volume diagram.
Select 1 partition at a time and resize. (you can type size in the size field in main pane).
Type in name in Name field (usually Macintosh HD)
Select Volume Format as Mac OS Extended (Journaled)
Click Partition button at bottom of panel.
Select Erase tab
Select each volume, in turn, under Manufacturer ID.
Select on Security Options button.
Select Zero all data. (This process will map out bad blocks on your HDD. However, it could take several hours. If you want a quicker method, don't go to Security Options and just click the Erase button.)
Quit Disk Utility.
Dr. Smoke's FAQ Backup and Recovery has some hints on partitioning.
Please don't hesitate to post back with further questions or comments.
Good luck.
cornelius
Message was edited by: cornelius

[Solved]Can't mount external hdd at boot!

Hi!
I'm trying to mount my new external hdd (Lacie USB2) at boot, but without success.
To avoid random device name (sdx, sdy), I would like to use UUID in my fstab file.
I've read this wiki.
I think my configuration is ok, but there's an error at boot saying "Device with UUID xxxxxxxx doesn't exist, can't mount it", or something like that.
Here are some commands:
[eko@nodrom ~]$ fdisk -l
Disque /dev/sdb: 500.1 Go, 500107862016 octets
255 têtes, 63 secteurs/piste, 60801 cylindres
Unités = cylindres de 16065 * 512 = 8225280 octets
Périphérique Amorce Début Fin Blocs Id Système
/dev/sdb1 * 1 60801 488384001 c W95 FAT32 (LBA)
[eko@nodrom ~]$ /bin/ls -lF /dev/disk/by-uuid/
total 0
lrwxrwxrwx 1 root root 10 jui 26 13:06 1da8b247-2a03-4a00-817c-d4da8df63488 -> ../../sda2
lrwxrwxrwx 1 root root 10 jui 26 13:06 485e9b10-fce5-4cbd-b23a-81f232d23bc5 -> ../../sda1
lrwxrwxrwx 1 root root 10 jui 26 13:06 6853-5BA9 -> ../../sdb1
lrwxrwxrwx 1 root root 10 jui 26 13:06 8aa3ce4c-5e2a-48c8-b3c3-38d02b4c0e68 -> ../../sda3
And my fstab file:
# /etc/fstab: static file system information
# <file system> <dir> <type> <options> <dump> <pass>
none /dev/pts devpts defaults 0 0
none /dev/shm tmpfs defaults 0 0
/dev/cdrom /mnt/cdrom iso9660 ro,user,noauto,unhide 0 0
/dev/dvd /mnt/dvd udf ro,user,noauto,unhide 0 0
/dev/sda1 / ext3 defaults 0 1
/dev/sda2 swap swap defaults 0 0
/dev/sda3 home ext3 defaults 0 1
#Disque dur externe
UUID=6853-5BA9 /media/hdd vfat rw,user,auto,exec,gid=100,uid=1000,umask=002,iocharset=utf8,codepage=850,shortname=mixed 0 0
Could someone help me?
Thanks in advance!
Last edited by vomix (2007-08-09 17:56:28)

Hi,
Thanks for your reply.
But even with /dev/disk/by-uuid/6853-5BA9 in my fstab file, it fails to automount it.
It says "Special device with UUID=6853-5BA9 does not exist".
The weird thing is that I can mount it manually without problems.
(In fact, that's not true, I've the same problem than steven. May it be a kernel-related problem?)
Or maybe there's a fault in the rest of my fstab line? (iocharset, guid, etc?)
In the case of a kernel related bug, how could I downgrade it?
I've tried with "pacman -U kernel26-2.6.21.6-1.pkg.tar.gz" in /var/cache/pacman/pkg but it broke my xorg server at reboot.

Resize partition using terminal - error:

I am trying to resize my osx partition so i can implement a triple boot. I have an 80gb drive in my macbook - osx uses 43.57GB out of 60GB and xp 20GB GB. I attempted to use this code in terminal:
diskutil resizeVolume disk0s2 56G "Linux" "Linux" 14G
then it says:
verifying
Resizing encountered error The underlying task reported failure on exit (-9972) on disk0s2 Macintosh HD
how should i attempt this? is my code correct?

i took a look, and i believe that the program behind diskutil is hdiutil.
please correct me if im wrong.
in the terminal i typed
man hdiutil
and found resize as a command there:
*resize size_spec image*
Given a read/write partitioned UDIF, if the last partition is
Apple_HFS, attempt to resize the partition to the end of the
image, or to the last used block in the embedded HFS/HFS+
filesystem (depending on size_spec). resize is often used when
a device image needs to be shrunken so that the HFS/HFS+ par-
tition can be converted to CD-R/DVD-R format and still be
burned. Note that gaps cannot be reclaimed as resize does not
move data. -fsargs can sometimes be used to minimize filesys-
tem-generated gaps. resize can also be used to grow a
filesystem and image without bound.
hdiutil burn does not burn Apple_Free partitions at the end of
the devices, so an image with a resized filesystem can be
burned to create a CD-R/DVD-R master that contains only the
actual data in the hosted filesystem (assuming minimal data
fragmentation).
Common options: -encryption, -stdinpass, -srcimagekey, -shadow
with friends, and -plist.
Size specifiers:
-size ??b|??k|??m|??g|??t??p|??e
-sectors sector_count | min | max
Specify the number of 512 byte sectors to
which the partition should be resized. If
this falls outside the min/max values, an
error will be returned and the partition will
not be resized. min automatically determines
the smallest size the partition can be
resized to and uses that value. max automat-
ically determines the largest size to which
the partition can be grown and then uses that
value.
Other options:
-imageonly only resize the image file, not the parti-
tion(s) inside of it. This is the default
for UDIF images (more partitions can then be
added in the new free space).
-partitiononly only resize the partition(s) in the image
(including their embedded filesystems). This
is the default for NDIF images. For a newly-
created SPUD where the partition fills the
image, the partition can only be shrunk. If
there is an Apple_Free partition after an
existing partition, that partition can be
expanded into the space marked by the
Apple_Free. Shrinking a partition results in
a larger Apple_Free partition.
-partitionNumber partitionNumber
specifies which partition to resize (UDIF
only -- see HISTORY below). partitionNumber
is 0-based, but, per hdiutil pmap, partition
0 is the partition map itself.
-growonly only allow the image to grow
-shrinkonly only allow the image to shrink
-nofinalgap allow resize to entirely eliminate the trail-
ing free partition. Such an image restored
to a hard drive will not boot OS 9 nor will
it allow OS X to boot on old-world (beige)
machines.
-limits Displays the minimum, current, and maximum
sizes (in 512 byte sectors) that could be
passed given possible -imageonly or
-partitiononly flags. Does not modify the
image.
-oldlimits behaves like -limits except that it reports
the stretch sizes that OS X version 10.3
would have reported (useful if an image needs
to be used with asr(8) on an older system).
segment
++++++++++++++++++++
I still dont know what exactly to enter but now i feel like this could actually work using terminal. any help is appreciated

Can't format external HDD using terminal: Error: -69877: Couldn't open device

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