Selecting a volume in Cocoa?

Hi,
Is there a control that can be used to let user select a volume in Cocoa app? NSOpenPanel does not have this option. thanks.

I think you can do it with NSOpenPanel:
NSOpenPanel* oPanel = [NSOpenPanel openPanel];
[oPanel setCanChooseDirectories:YES];
[oPanel setCanChooseFiles:NO];
[oPanel setCanCreateDirectories:NO];
[oPanel setAllowsMultipleSelection:NO];
[oPanel runModalForDirectory:@"/Volumes/" file:nil types:nil];
Is this what you are looking for?
Message was edited by: casdvm

Similar Messages

Keyboard Shortcut for Selecting between volumes?

How do I select between volumes without having to use the mouse to select the upper left hand section if the finder window? It seems like I can only navigate the folders contained within the drives using the keypad, but not between the drives themselves. Anybody know if this is possible?

iKey is a front end program that simulates typing and mouse movements. I use iKey to remap the Function keys.
"iKey is an automation utility, a program that creates shortcuts to accomplish repetitive tasks. In essence, an iKey shortcut is a little program in its own right, but you don't need to know the first thing about programming to create an iKey shortcut. All you have to do is put together three necessary parts of a shortcut: One or more commands that give the shortcut its functionality, a context in which it runs, and a launcher that defines how the shortcut is activated."
http://www.scriptsoftware.com/ikey/
iKey has a little more function then the previous free version called youpi key. For many years, I used youpi key before switching to iKey. It works fairly well for me in MAC OS 10.4 although not officially supported.
http://www.versiontracker.com/dyn/moreinfo/macosx/11485&vid=75326
I have the common programs that I use assigned to function keys. I have F4 assigned to Firefox. When I want to start FireFox, I press F4. When I want to switch to firefox, I press F4! Starting & switching to an application in Mac OS are the same thing in Mac OS.
Here is an example of to assign volumn control to a function key.
http://discussions.apple.com/message.jspa?messageID=10361085#10361085
Here is my script for listing my application folder. I have it assigned to function-key 6.
!http://farm3.static.flickr.com/2689/4292832695_f3a8f1122e.jpg!
tell application "Finder"
   set windowNames to windows whose name contains "Applications"
   repeat with wNames_ref in windowNames
      close wNames_ref
   end repeat
   activate
   select window of desktop
   make new Finder window to startup disk
   select Finder window 1
   set target of Finder window 1 to folder "Applications" of startup disk
   select Finder window 1
   set position of Finder window 1 to {60, 45}
end tell
The second portion of this script was generated in the script editor record mode. After I recorded the script and did some editing, I copy the script to ikey/youpi key.
I have all of my frequently used applications set to function keys.

HT4974 How can I select a remote volume (NAS) as my service data storage volume?

Hi everyone,
I have been struggling with the following:
I have Mac OS X Server (the Mountain Lion add-on) running on a Mac Mini (2009). Ever since the upgrade to Mountain Lion Server (10.8.2) I have been wanting to store the Service Data on my Synology DS412+ NAS. The reasons for this are: greater storage capacity, speed (my NAS is fast) and reliability through RAID5.
The instructions provided by Apple Support point towards the Server App: go to Hardware > Server > Settings > Service Data (click Edit) and select the volume where you want to store your Service Data. However, this only lets me select the volume(s) of my Mac Mini or USB-connected volumes (if present). I would like to select a network share on my NAS, but mounted network volumes do not show up in the list.
FYI, I have connected my NAS to the LDAP service running on Mac Mini Server, so all users have access to it based on their network accounts.
I hope someone has pointers or even conclusive advice how to go about. Many thanks in advance.
Jannem

Works only when the volume is mounted as iSCSI target :
http://www.synology.com/support/tutorials_show.php?q_id=468

Error when selecting volume

Hello,
I just restarted my Maxtor external hard disk (which I use for time machine) because my Mac did not recognize it anymore.
Now it does but I get an error when selecting the volume for Time Machine. The error says:
"The file '.0011246f8842' can not be saved in the map 'Time Machine-reservekopieen'."
Does anybody have a clue what I need to do to get my Time Machine working again?
Thanks!
BB

Bauke Boezeman wrote:
Hello,
I just restarted my Maxtor external hard disk (which I use for time machine) because my Mac did not recognize it anymore.
Now it does but I get an error when selecting the volume for Time Machine. The error says:
"The file '.0011246f8842' can not be saved in the map 'Time Machine-reservekopieen'."
Hi, and welcome to the forums.
I'm not sure if that's the same message, but it sounds like a common permissions problem.
Try this: Open the Terminal app (in your Applications/Utilities folder).
In Terminal, the prompt looks like this: user-xxxxxx:~ <your name>$
(where <your name> is your short user name). It's followed by a non-blinking block cursor (unless it's been changed via Terminal > Preferences).
At the prompt, type the following exactly as shown, substituting the name of your TM drive exactly, including any spaces, between the quotes:
sudo chmod 644 /volumes/"TM drive name"/.0011246f8842
Press Return. You'll get some warnings and a request for your Administrator's password. Type it in (it won't be displayed) and press Return again.
Then try a +Back Up Now.+

The volume you have selected may not be extended

I just added a new hard disk to our Windows 2003 R2 server with SP2. When I try to extend it, I receive "The volume you have selected may not be extended". kb841650 has been installed. What could be the problem?
C:\Documents and Settings\Administrator.PAYROLL>diskpart
Microsoft DiskPart version 5.2.3790.3959
Copyright (C) 1999-2001 Microsoft Corporation.
On computer: HSA-COMM02
DISKPART> list volume
Volume ### Ltr Label        Fs     Type        Size     Status     Info
Volume 0     C                NTFS   Partition    128 GB Healthy    System
Volume 1     E   New Volume   NTFS   Partition    105 GB Healthy
DISKPART> select volume 0
Volume 0 is the selected volume.
DISKPART> extend
The volume you have selected may not be extended.
Please select another volume and try again.
DISKPART> select volume 1
Volume 1 is the selected volume.
DISKPART> extend
The volume you have selected may not be extended.
Please select another volume and try again.
DISKPART>
Bob Lin, MCSE & CNE Networking, Internet, Routing, VPN Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net How to Install and Configure Windows, VMware, Virtualization and Cisco on http://www.HowToNetworking.com

what is your aim ?
You can only extend volumes on the same disk.
Example: You have a disk of 100 GB, and you create a volume of only 50GB. You can extend this disk up to the remaining 50 GB in the same disk. You cannot extend a volume to use another disk.
In your case, your two volumes (Partitions) are using the full disk space, so you cannot extend.
If you want to aggregate two disks, you have to use a striping tool like to have RAID0 for example. But only when you are dealing with new disks.
I guess you are using virtualization. So you are attaching VHDs (Hyper-V) or VMDK (VMWare).
To extend a VHD, backup first your machine (Make a copy of the VM VHD or VMDK)
Use a tool to extend this VHD (or VMDK)
Then when you start your VM, you will be able to extend, becasue you extended the entire disk, and you will find available space where to extend
Regards, Samir Farhat Infrastructure and Virtualization Consultant || Virtualization, Cloud, Azure ? Follow and Ask here https://buildwindows.wordpress.com

Cannot select volume in time machine preferences

Ok i seem to have a problem selecting a volume as a time machine backup
I was able to select it previously but since doing the 10.7.3 update i now cannot see it in the time machine prefs
The drive is connected to my iMac with 10.7.3 server & i'm sharing it on my home network
I can connect & mount it fine on my Macbook Pro & it appears on my desktop with the 3 people icon on the front i can access it no problem
I just cant see it in the tiime machine prefs but i could no problem before the update
Am i missing something or is there something new i dont know about
Thank you in advance

Idefix6 wrote:
sry, maybe I understood you wrong.
If I change one file on my file fault (which is around 40GB of size) does time machine then backup the complete sparse file again or only transmit the change?
it only backs up the changes. that's why sparse bundles were introduced in leopard - precisely to deal with this very issue. a sparse bundle disk image as opposed to a regular sparse disk image is split in a number of small bands (8Mb in size by default). when TM does incremental backups it only backs up afresh new and changed bands and hard links the unchanged bands to existing backup copies. that makes backing up sparse bundles using TM somewhat bearable. if you try to back up a regular disk image with TM it will back it up afresh after any change however tiny to its contents. that would quickly fill up the backup drive if you are talking about a 40GB disk image.
If it only transmit the change I can move out my parallels disk to the folder All Users and ignore the file here.

I Can See My HD, I Can See My Volume, But I Can't Boot Up!

Check this out and tell me what I should do.
So I was burning a cd in iTunes when I got the wheel of death. I waited for about 10 minutes before I decided that I was going nowhere fast. I Couldn't force quit so I held the power button for 10 seconds and the computer shut off. I restart my computer and BLAM!!! Gray screen. No broken icon, no sad computer screen icon, just a gray screen with nothing on it. Not even the cursor.
So I get out the restore cd and reboot from the cd drive. I run disk utility and see that both my hard drive and my volume are there but the volume is not accessible. I can click on both the hard drive and the volume but when I click on the volume, it doesn't give me any info. The volume is also at about 20% opacity, meaning it's not accessible. So I select the volume and click on REPAIR DISK.
As REPAIR DISK runs, I get an error message saying "Invalid Node Structure." Then, it says "Rebuilding Catalog B-Tree," and after about 30 minutes of running Disk Utility, if finally stops and say "The Volume Macintosh HD could not be repaired." Then, underneath it it says "ERROR: The underlying task reported failure on exit."
I reset the PRAM or whatever it's called as suggested on many of the similar threads here. I also reset the Power thing and no go. I tried to see if I could do a reinstall but the HD doesn't show up in that screen which is weird because the HD and the boot volume show in Disk Utility. The MOUNT POINT field in DISK UTILITY is blank for my boot volume. How can I make the volume mount? It's there. I see it.
I am runnin a PowerBook G4 1.67 on 10.4.6. I have an external drive and again, all I want to do is backup everything once and if need be, reinstall. But I can't reinstall unless I erase the HD from within Disk Utility.
What happpened? Is my hard drive shot? Can I save any of the data on my volume? Is there a way to copy the OS back onto my hard drive without erasing my data? Are there written commands I can run to force a mount and at least retrieve my information? I could careless if I have to reinstall everything as long as I can save all my work before I have to take that step. I backed up 2 weeks ago but I have done A LOT of work in those two weeks. Can anyone point me in the direction of the information I seek?
Any and all help would be appreciated.
PowerBook G4 Mac OS X (10.4.6) 2 Gigs Ram | 100 Gig HD

Welcome to Apple Discussions!
Sounds like you are in a catch-22 situation here. You can try one of three approaches.
One has more risk, but the greatest chance of getting recoverable data if the hard drive is not what is shot and just the directory. That's Alsoft Disk Warrior.
One assumes the hard drive is shot, and it is just the files that are inaccessible, and no directory damage. That's using Prosoft Data Rescue and an external hard drive.
A third is a data recovery firm.
Depending on how much you value your data, and how much you can afford, and which you think is most likely the problem, pick the one you think is best going to work.
It sounds to me you needed to do more frequent a backup than you had done in the past. Good luck!

Sometimes volume keys or spaces don't work

Hi all,
A couple of months ago my macbook fell to the floor (something like 30-40cm fall). It didn't broke but the unibody frame got a bit dented by the zone it hit the floor (one of the battery corners).
From then on, I have noticed that, from time to time, when I boot the laptop, it sometimes:
a) boots slower.
b) volume keys stop working and I cannot access to the volume options via system preferences (I can open the system preferences window but when I select the volume pannel, it gets stuck)
c) Even if the ¿tap to click? option (first option in trackpad settings) is enabled, it doesn't work and I have to press the trackpad button.
d) Spaces shortcuts won't work. Spaces works (I have several desktops and moving from program to program changes my desktop), but neither of my shorcuts work (alt+arrows)
e) When I want to shut down the laptop and I push the power key it either doesn't show any shutdown dialog, or, if it shows it, I click shutdown and some programs close but some others (iCal, thunderbird, Firefox, and, eventually Finder) don't. I force exit them all, but, in the end, I'm stuck with a frozen Finder and I have to "hard-shutdown" (pressing the power button several seconds) the laptop.
It doesn't always happen, and not always with all the symptoms, but there are always a & e, and at least one from b,c,d. It began happening rarely, but during last week it happened 1/3rd of the time. My only workaround is to check if the volume keys work properly before I log in, in order to see if the system state is worth logging.
Any idea of what can I do?
Thanks in advance,
Txema

Try a SMC reset.
http://support.apple.com/kb/HT3964
You might also try A pram reset:
Power off the MBP Then power back up holding the following keys: option, command,P,R (no commas) continue to hold these keys till you hear the start chime 2 times then release.
Reboot.
Hope this helps

Tiger won't start up, no volume to mount to?

Hi everyone,
I was doing some permissions repair and disk cleanup, when my power went out. Now Tiger won't start up! I get a full-screen shell with the following text:
disk0s3: I/O error.
disk0s3: I/O error.
/etc/master.password: Input/output error
disk0s3: I/O error.
-sh: /etc/profile: Input/output error
-sh-2.05b#
If I leave the Mac on, the fans start spinning up slowly and keep building to a roar. I've left it on for about 1 minute, then shut it down.
Starting up by holding the Command key down after the startup ding gets me a screen with a folder icon (?), which proceeds to turn into a smiley face and then the bootup sequence starts. It then goes back to the full-screen shell.
I put in my Tiger (10.4) install disk, and the Disk Utility shows the Hard Drive, but the Macintosh HD volume is greyed out and won't / can't mount, be verified, or repaired.
Trying to install so that I can archive / install yields no HDs that I can install to. Luckily I keep my PC around for just such an occurance
So the question is, what is going on here? Thanks in advance,
-Gary

You are going to have to reformat the drive. If there is a chance of data recovery it would be best if you stop using the drive altogether. Find another Mac with Firewire. Connect the two by Firewire cable. Boot the "bad" computer into Target Disk Mode, then boot the "good" computer normally. The "bad" computer's disk drive should appear on the other computer's Desktop. If the drive is still accessible, then you may be able to recover your data.
When you reformat the drive use the following procedure:
1. Boot from your Tiger DVD. After the installer loads select Disk Utility from the Utilities menu.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Set the number of partitions from the dropdown menu (use 1 partition unless you wish to make more.) Set the format type to Mac OS Extended (Journaled, if supported.) Click on the Partition button and wait until the volume(s) mount on the Desktop.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled, if supported.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process will take 30 minutes to an hour or more depending upon the drive size.

Drive Utility Help Viewer "does not know how to handle selected URL"

I have Drive Utility 10.5.6, according to . I'm trying to reformat a FAT32 partition on an external drive to Mac OS X Ext. Journaled in preparation for using SuperDuper to back up my Mac HD boot partition. For a time, which seems to have passed, now that erasing the partition has been done. The Disk Utility Help wouldn't work. Instead of putting up topic information, I got a message saying "Help Viewer does not know how to handle selected URL", followed by an reference to an html file that allegedly existed inside a set of folders inside the app. Where, of course, Finder cannot see. Once the erasing was done, Help seems to have come back. I tried Apple Support, but could only get a reference to OS 9 Appleworks macros not working in OS X. No help at all. Is this a question? I don't know. Help is working now. But for a while it was very annoying. It must be one of those little windows glitches that no one ever bothered to fix.

In order to change a FAT or NTFS formatted drive for use with OS X you will need to do the following:
Extended Hard Drive Preparation
1. Open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, set the partition scheme to GUID (for Intel Macs) or APM (for PPC Macs) then click on the OK button. Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
If you have an Intel Mac and can partition the drive using GUID then you can have FAT32 and OS X partitions on the same drive.
As for problems with the Help viewer see:
In most cases doing the following will restore the Help Viewer:
1. Trash the following three files, if extant:
/Home/Library/Preferences/com.apple.help.plist
/Home/Library/Preferences/com.apple.helpui.plist
/Home/Library/Preferences/com.apple.helpviewer.plist
2. Trash the /Home/Library/Caches/com.apple.helpui folder.
3. Empty the Trash and Restart.
Visit The XLab FAQs and read the FAQ on the Help Viewer for additional suggestions.

How to select OS X startup disk after booting up in 8.6

I recently purchased an old iBook G3 (original clamshell model) to run some old Mac games I had laying around (was in a nostalgic mood I guess). It came with OS 8.6 and I installed an old copy of OS X 10.2 Jaguar onto it. It wouldn't let me run in the "Classic" environment, as it has OS 8.6, not OS 9.x. I found I was able to launch the computer from 8.6 by selecting the 8.6 start up disk, and thought I could try running some of my really old Mac apps. Long story short, once I booted up in 8.6 I've been unable to figure out how to boot back up in 10.2. It's been over 10 years since I last used anything older than Mac OS X, and I don't remember where everything is, and how to change the startup disk back to 10.2.
If anyone knows, please help. I'd really like to avoid doing a complete system restore if possible.

Two ways:
Boot Using OPTION key:
1. Restart the computer.
2. Immediately after the chime press and hold down the
"OPTION" key.
3. Release the key when the boot manager appears.
4. Select the desired disk icon from which you want to boot.
5. Click on the arrow button below the icon.
Use Startup Disk Preferences:
Open Startup Disk prefs from System Preferences.
Select the volume from which you want to start.
Click on the Restart button.
Click on Restart again.

Installation from 10.6.8 - unable to select HD to install Yosemite

Hi all,
I have an old MacBook6,1 of 2009 (the white one), with a 2.26GHz Intel Core 2 Duo processor, 2GB 1067 MHz DDR3 memory, 250GB of storage capability (100GB free), currently running Snow Leopard 10.6.8.
I'm trying to upgrade to Yosemite 10.10 (my hardware and software are both ok to do the upgrade, I checked it). The download from the appstore went ok, but when I launch the installation app and I am asked to select the volume in which I want to install the OS, I'm not able to select my "Macintosh HD" unity (the icon is light grey), and if I try to click on it anyway, a message appears: "Impossible to use this volume to start the computer" (actually my mac is in italian so I reported the translation of the original message: "Impossibile utilizzare questo disco per avviare il computer").
I found out that some people had the same problem with the installation of Lion (OS X Lion: il programma di installazione indica "Impossibile utilizzare questo disco per avviare il computer" - Supporto…), but all the proposed solutions rely on the possibility of accessing "recovery mode", a functionality that is not enabled in snow leopard 10.6.8. And the only solution that doesn't rely on this feature (you can find it at the same link reported above), requests a redimensioning of the partition assigned to "Macintosh HD", that in my case is the only one that I have (I don't have any bootcamp partition), and even if l do it, it doesn't work.
Can anybody help me?

Apart from your issue to start the downloaded installer, you must know that 2GB of Ram is the absolute bare minimum to run Yosemite.
You have to add Ram. You can have 8GB as a maximum.
I propose to install 2x4GB and the price is low, macs are very sensitive of the right type of ram and need a good brand. Usually Crucial or OWC is recommended here. It is not difficult to do it yourself, see the sites for instructions:
Crucial:
http://www.crucial.com/usa/en/macbook-%2813-inch%2C-late-2009%29/CT3373704
OWC:
http://eshop.macsales.com/shop/memory/Apple_MacBook_MacBook_Pro/Upgrade/DDR3
Is there a special reason to go for Yosemite (it is VERY different from SnowLeopard) ?
Lex

Backup Volume Read Only error 99% solution

After about 2 months of the "Back Up Volume Read Only - select different volume..." issue, I found a 99% solution - or perhaps a fluke (I'm a mac newbie).
My computer would back up about 1/2 of the 20gig's of files before failing. After removing the apostrophe, erasing, etc. I went to options and chose most of my files as "do not back up". What do you know, it finally worked.
Then I went back and added the rest of the files back to the backup -- didn't work again.
Long story short, after a few, fun filled hours, I triangulated down to one file in Documents (a circus pony notebook file) that will cause my backup to fail. If that file is in there, no backup. Take it out, no problem. btw, I have other notebook files that backup fine.
Anyone have any suggestions besides leaving that file out forever?

After about 2 months of the "Back Up Volume Read Only - select different volume..." issue, I found a 99% solution - or perhaps a fluke (I'm a mac newbie).
My computer would back up about 1/2 of the 20gig's of files before failing. After removing the apostrophe, erasing, etc. I went to options and chose most of my files as "do not back up". What do you know, it finally worked.
Then I went back and added the rest of the files back to the backup -- didn't work again.
Long story short, after a few, fun filled hours, I triangulated down to one file in Documents (a circus pony notebook file) that will cause my backup to fail. If that file is in there, no backup. Take it out, no problem. btw, I have other notebook files that backup fine.
Anyone have any suggestions besides leaving that file out forever?

[Flex 4.5.1] How to prevent Radio Button from being selected when clicked on? No Changing Event?

I have a very common use case where you have a few radio buttons and only one can be selected at a time. Some of them are basic and on click should be selected right away, but other are more complex and open a pop up which requires some additional user selections after which the user selected OK or CANCEL for example and only after that the selection of the radio button should be applied programatically.
So to solve this issue I've come up with 2 workarounds:
1) make the entire group, that holds the radio button, act as a button with buttonMode="true" mouseChildren="false" and programatically change the radio button within it.
2) hold the current radio button selection in a variable and in the changeHandler of that radio button return the selection back to what was selected before. But this also causes a small flickering of the radio button which gets selected and deselected immediately after that.. not cool.
So my question is... is there something I am missing that could do the job without these workarounds... like a Changing event which I use for the ButtonBar but I can't find on the RadioButton or RadioButtonGroup... thanks!

Hi,thanks for the reply. Actually that was my third option, but not sure if it's very good also..
Here is a simple scenario:
User must select between 2 radio buttons:
1) no volume -> sets variable volume=0 and selects the radio button (that is the normal use case)
2) set volume -> opens up a pop up with a list that has a X button to close and 4 options: 25% volume, 50% volume, 75%, 100%
At this point the set volume radio button should not be selected and the user has 2 choices:
-> hit the X button to close - nothing changes and no volume radio button is still selected and volume is still = 0
-> hit one of the volume % buttons -> the set volume radio button gets selected and the variable volume=25/50/75/100 depending on the button selected by the user.
That's a pretty common scenario and it's bugging me that I can't easily alter the radio button selection logic since whenever I click it, it gets selected and I can't put a logic in between in a standard way. This should apply to any component with selection, just like ButtonBar has it with the Changing event.
So is there any other more convenient way to accomplish this scenario that you could recommend?
Thanks!

Can I edit/select from downloaded map data to reload onto an SD card ?

I have been directed to a place where I can download a 2009 updated map for my satnav.
The download is quite big, some 2.5 GB as it covers Europe.
All I want are the UK maps. I don't know if this is a silly question or not but if I download the full thing onto the macbook then is it at all possible to delete the non-uk maps or just to choose the UK maps to download onto an SD card ? Can I sort of get into the downloaded data to do this ? I would like to have UK only on the SD card.
Sorry for the rather vague way of putting the question but it's the best I can do to describe it !
Cheers
4jbl7

Drive Preparation for Lion
1. 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. Select Disk Utility from the main menu and click on the Continue button.
2. After DU loads select the SD card drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Security button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
7. After formatting is done quit DU and return to the main menu. Select Reinstall Lion and click on the Continue button. Be sure to point the installer at the SD card drive as the Destination target.
Note: Your model must be able to boot from an SD card. Not all can as I recall.

Selecting a volume in Cocoa?

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