Back-up disk full

I was using time machine to back-up my media drive. My back-up drive is the same size as the media drive, 750 gigs. The back-up drive seems to need 100 gigs more than the media drive for time machine to work. This engaged a back up error because of lack of space. I do have about 200 gigs available on the system and application hard drive, but I will only allow access, I will not clear that drive and partition a space, it is too much trouble to reinstall all applications. At this time I'm using SilverKeeper as my back-up software. It seems odd to use this 3rd party application when this great apple application, time machine, is available. Would I engage issues by using my system drive as a second back-up drive.
Thanks

You should not use your startup volume as a backup drive. If you continue to use Time Machine you will need a larger backup drive. A TM backup drive should have at least twice the capacity of the drive you back up. In your case your TM backup drive should be at least 1.5 TBs. You could purchase the new Seagate 1.5 TB drive or add another 750 GB or 1 TB drive to your system and combine them in a striped RAID array.
Although TM does automatically remove the oldest files to make additional space for new backups, if it cannot remove enough files to accommodate a new backup, then you will get the disk full error.
As for using SilverKeeper I would suggest that you not continue to use it. It is not fully compatible with Leopard. Instead I would recommend using Carbon Copy Cloner or SuperDuper! (You must buy SD in order to have use of it for more than full disk cloning.) You can download both at VersionTracker or MacUpdate.

Similar Messages

Back up disk is full, can I keep backing up?

My 1TB back drive is full so I get messages now from Time Machine saying the disk is full and the oldest back up will be deleted to make room for the latest back up... the oldest back up is usually pretty old, like May 09 or something so I don't mind it being erased.
My question is, is there any harm in just continuing like this without upgrading to a larger back up disk? I don't mind it deleting these 6 month-plus old files because I would never use them anyway.
Just trying to avoid buying a 2TB disk as I use a raid drive and would have to buy 3 in order to fill it!
Thanks.

no, there is no harm. you can just let TM do its thing and keep deleting old backups to make room for new ones.

I've cleared almost 30 gig off of my hard drive in the past 2 weeks, and it will temporarily show that in the Get Info box. But hours later, I am still getting a disk full error and all of the memory has disappeared.

I've cleared almost 30 gig off of my hard drive in the past 2 weeks, and it will temporarily show that in the Get Info box. But hours later, I am still getting a disk full error and all of the memory has disappeared. I have cleared my backup logs from Time Machine, checked the mail folder, cleaned out tons of photos and videos and it still keeps filling back up.
In checking the log files, here is the message repeated over and over....
Jul 4 07:18:13 Donald-Keele-Jrs-iMac-123.local CalendarAgent[213]: CoreData: error: (21) I/O error for database at /Users/donjr/Library/Calendars/Calendar Cache. SQLite error code:21, 'unable to open database file'
Jul 4 07:18:13 Donald-Keele-Jrs-iMac-123.local CalendarAgent[213]: Core Data: annotation: -executeRequest: encountered exception = I/O error for database at /Users/donjr/Library/Calendars/Calendar Cache. SQLite error code:21, 'unable to open database file' with userInfo = {
NSFilePath = "/Users/donjr/Library/Calendars/Calendar Cache";
NSSQLiteErrorDomain = 21;
Jul 4 07:18:14 Donald-Keele-Jrs-iMac-123.local cfprefsd[180]: CFPreferences: error creating file /Users/donjr/Library/Preferences/com.apple.iPhoto.plist.t3l894p: 28
Jul 4 07:18:30 Donald-Keele-Jrs-iMac-123.local Printer Pro Desktop[275]: Empty task
Jul 4 07:18:33 Donald-Keele-Jrs-iMac-123.local Microsoft Sync Services[8149]: [0x16697c0] |ISyncSession|Warning| com.microsoft.Entourage2008: transitioning to cancel - session cancelled by server: Client 'com.microsoft.Entourage2008' tried to start a session for the plan 45AD80C3-0D52-4CF2-8CBA-103564B6C47C and the plan no longer exists.
Jul 4 07:18:33 Donald-Keele-Jrs-iMac-123.local Microsoft Sync Services[8149]: Warning: NSBundle NSBundle </Applications/Microsoft Office 2008/Office/Microsoft Sync Services.app/Contents/Resources/MicrosoftOfficeNotes.syncschema> (not yet loaded) was released too many times. For compatibility, it will not be deallocated, but this may change in the future. Set a breakpoint on __NSBundleOverreleased() to debug
Jul 4 07:18:33 Donald-Keele-Jrs-iMac-123.local Microsoft Sync Services[8149]: Warning: NSBundle NSBundle </Users/donjr/Library/Sync Services/Schemas/MicrosoftOfficeNotes.syncschema> (not yet loaded) was released too many times. For compatibility, it will not be deallocated, but this may change in the future. Set a breakpoint on __NSBundleOverreleased() to debug
Jul 4 07:18:45 Donald-Keele-Jrs-iMac-123 kernel[0]: (default pager): [KERNEL]: default_pager_backing_store_monitor - send LO_WAT_ALERT
Jul 4 07:18:45 Donald-Keele-Jrs-iMac-123 kernel[0]: macx_swapoff SUCCESS
Jul 4 07:19:31 Donald-Keele-Jrs-iMac-123.local Printer Pro Desktop[275]: Empty task
Any ideas on what to do next?
I'm running and iMac 20-inch early 2009
Processor 2.66 GHz Intel Core 2 Duo
Memory 8 GB 1067 MHz DDR3
Graphics NVIDIA GeForce 9400 256 MB
Software OS X 10.8.4 (12E55)

Step 1
Quit Calendar. Triple-click the line below to select it:
~/Library/Calendars/Calendar Cache
Right-click or control-click the highlighted line and select
Services ▹ Reveal
from the contextual menu. A Finder window should open with a file named "Calendar Cache" selected.
Move the selected file to the Trash. There may be one or two other files in the same folder with names that begin in "Calendar Cache". If so, delete those files too.
Step 2
Empty the Trash if you haven't already done so. If you use iPhoto, empty its internal Trash as well:
iPhoto ▹ Empty Trash
Then reboot. That will temporarily free up some space.
According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation. You also need enough space left over to allow for growth of your data. There is little or no performance advantage to having more available space than the minimum Apple recommends. Available storage space that you'll never use is wasted space.
To locate large files, you can use Spotlight. That method may not find large folders that contain a lot of small files.
You can more effectively use a tool such as OmniDiskSweeper (ODS) to explore your volume and find out what's taking up the space. You can also delete files with it, but don't do that unless you're sure that you know what you're deleting and that all data is safely backed up. That means you have multiple backups, not just one.
Deleting files inside an iPhoto or Aperture library will corrupt the library. Any changes to a photo library must be made from within the application that created it. The same goes for Mail files.
Proceed further only if the problem isn't solved by the above steps.
ODS can't see the whole filesystem when you run it just by double-clicking; it only sees files that you have permission to read. To see everything, you have to run it as root.
Back up all data now.
Install ODS in the Applications folder as usual. Quit it if it's running.
Triple-click the line of text below to select it, then copy the selected text to the Clipboard (command-C):
sudo /Applications/OmniDiskSweeper.app/Contents/MacOS/OmniDiskSweeper
Launch the Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Paste into the Terminal window (command-V). You'll be prompted for your login password, which won't be displayed when you type it. You may get a one-time warning not to screw up. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.
The application window will open, eventually showing all files in all folders. It may take some minutes for ODS to list all the files.
I don't recommend that you make a habit of doing this. Don't delete anything while running ODS as root. If something needs to be deleted, make sure you know what it is and how it got there, and then delete it by other, safer, means. When in doubt, leave it alone or ask for guidance.
When you're done with ODS, quit it and also quit Terminal.

Set Up Disk Full

I am getting a Set Up Disk full error and am not quite sure what this means. I have been deleting or saving pictures to an external hard drive but I am still getting this error. I don't know what the set up disk is and how it is getting full. Can someone please answer this question?
Thanks.

For information about the Other category in the Storage display, see this support article. If the Storage display seems to be inaccurate, try rebuilding the Spotlight index.
Empty the Trash if you haven't already done so. If you use iPhoto, empty its internal Trash first:
iPhoto ▹ Empty Trash
Do the same in other applications, such as Aperture, that have an internal Trash feature. Then restart the computer. That will temporarily free up some space.
According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation—not the mythical 10%, 15%, or any other percentage. You also need enough space left over to allow for growth of the data. There is little or no performance advantage to having more available space than the minimum Apple recommends. Available storage space that you'll never use is wasted space.
When Time Machine backs up a portable Mac, some of the free space will be used to make local snapshots, which are backup copies of recently deleted files. The space occupied by local snapshots is reported as available by the Finder, and should be considered as such. In the Storage display of System Information, local snapshots are shown as Backups. The snapshots are automatically deleted when they expire or when free space falls below a certain level. You ordinarily don't need to, and should not, delete local snapshots yourself. If you followed bad advice to disable local snapshots by running a shell command, you may have ended up with a lot of data in the Other category. Ask for instructions in that case.
See this support article for some simple ways to free up storage space.
You can more effectively use a tool such as OmniDiskSweeper (ODS) or GrandPerspective (GP) to explore the volume and find out what's taking up the space. You can also delete files with it, but don't do that unless you're sure that you know what you're deleting and that all data is safely backed up. That means you have multiple backups, not just one. Note that ODS only works with OS X 10.8 or later. If you're running an older OS version, use GP.
Deleting files inside an iPhoto or Aperture library will corrupt the library. Any changes to a photo library must be made from within the application that created it. The same goes for Mail files.
Proceed further only if the problem isn't solved by the above steps.
ODS or GP can't see the whole filesystem when you run it just by double-clicking; it only sees files that you have permission to read. To see everything, you have to run it as root.
Back up all data now.
If you have more than one user account, make sure you're logged in as an administrator. The administrator account is the one that was created automatically when you first set up the computer.
Install the app you downloaded in the Applications folder as usual. Quit it if it's running.
Triple-click anywhere in the corresponding line of text below on this page to select it, then copy the selected text to the Clipboard by pressing the key combination command-C:
sudo /Applications/OmniDiskSweeper.app/Contents/MacOS/OmniDiskSweeper
sudo /Applications/GrandPerspective.app/Contents/MacOS/GrandPerspective
Launch the built-in Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Paste into the Terminal window by pressing command-V. You'll be prompted for your login password, which won't be displayed when you type it. Type carefully and then press return. You may get a one-time warning to be careful. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator. Ignore any other messages that appear in the Terminal window.
The application window will open, eventually showing all files in all folders, sorted by size. It may take a few minutes for the app to finish scanning.
I don't recommend that you make a habit of doing this. Don't delete anything as root. If something needs to be deleted, make sure you know what it is and how it got there, and then delete it by other, safer, means. When in doubt, leave it alone or ask for guidance.
When you're done with the app, quit it and also quit Terminal.

What do i need to do when i get a startup disk full error?

What do i need to do when i get a startup disk full error? I can't update software or use my MacAir at all.

Empty the Trash if you haven't already done so. If you use iPhoto, empty its internal Trash first:
iPhoto ▹ Empty Trash
Then reboot. That will temporarily free up some space.
According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation. You also need enough space left over to allow for growth of your data. There is little or no performance advantage to having more available space than the minimum Apple recommends. Available storage space that you'll never use is wasted space.
If you're using Time Machine to back up a portable Mac, some of the free space will be used to make local snapshots, which are backup copies of files you've recently deleted. The space occupied by local snapshots is reported as available by the Finder, and should be considered as such. In the Storage display of System Information, local snapshots are shown as "Backups." The snapshots are automatically deleted when they expire or when free space falls below a certain level. You ordinarily don't need to, and should not, delete local snapshots yourself.
To locate large files, you can use Spotlight. That method may not find large folders that contain a lot of small files.
You can more effectively use a tool such as OmniDiskSweeper (ODS) to explore your volume and find out what's taking up the space. You can also delete files with it, but don't do that unless you're sure that you know what you're deleting and that all data is safely backed up. That means you have multiple backups, not just one.
Deleting files inside an iPhoto or Aperture library will corrupt the library. Any changes to a photo library must be made from within the application that created it. The same goes for Mail files.
Proceed further only if the problem isn't solved by the above steps.
ODS can't see the whole filesystem when you run it just by double-clicking; it only sees files that you have permission to read. To see everything, you have to run it as root.
Back up all data now.
Install ODS in the Applications folder as usual. Quit it if it's running.
Triple-click anywhere in the line of text below on this page to select it, then copy the selected text to the Clipboard by pressing the key combination command-C:sudo /Applications/OmniDiskSweeper.app/Contents/MacOS/OmniDiskSweeper
Launch the Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Paste into the Terminal window (command-V). You'll be prompted for your login password, which won't be displayed when you type it. You may get a one-time warning not to screw up. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.
The application window will open, eventually showing all files in all folders. It may take some minutes for ODS to list all the files.
I don't recommend that you make a habit of doing this. Don't delete anything while running ODS as root. If something needs to be deleted, make sure you know what it is and how it got there, and then delete it by other, safer, means. When in doubt, leave it alone or ask for guidance.
When you're done with ODS, quit it and also quit Terminal.

Shutdown while startup, disk full error on verbose

i have a mac book pro when starting , the gray screen appears, later the apple and 10 seconds later aprox, turn off
i try verbose mode and after turn off i can see a message “Disk full error"
Operating system: OSX 10.9
322MB FREE OF 300GB .. (my girlfriend is a graphic designer and does not pay any attention to alerts ..)
I prove, smc reset, 2 chime sound test, safe mode (turn off too).
performing tests were:
1. Launch the recovery console ( from bootable usb osx mavericks) ,
a. i probe unmount the volume Macintosh HD, not possible, because, its in use.
a. verify disk ( Macintosh HD) , "the disk needs to be repair"
b . repair disk ( Macintosh HD) , Keys out of order , ... Utility cant repair disk , and restore your backed -up files
c . Check disk (320gb toshiba ..) , the partition map need to be repaired , because ... Problem with the EFI system partitions
d . repair disk (320gb toshiba ..) , but ... when repair , try with Recovery HD, and works fine (not Macintosh HD)
After that, the disc automatically unmounts and its not possible mount again (from terminal said "mount: /dev/disk0s2: unknow special file of file system")
2 . Probe I start with a recovery console (local disk)
same results (on repair 320gb toshiba.. the first time i run it, said "can’t perform live”, after that, same result like point 1
3. restart, with recovery console (local disk)
a. launch terminal and try to delete manually , go to /dev/disk0s2 (/Volumes/Macintosh HD) and can browse the disk (ex /Users/xxxx/Desktop), but when tried rm, appears “Read-Only File System"
4. Remove the HD from mac and put it on case, when i connect it via USB to another mac book pro, the OS, saids “can’t recognize the disk, initialize, ignore, eject)
it is possible unmount the volume and remount like read-write from recovery console?
is it possible to access the data in read-write mode for any way to delete some huge files?
its the only solution mount and external disk and make and tedious scp from Terminal???, if its possible
regards, sorry for my bad English
Dario

There are lots of hidden directories. There could be actual data instead of alias mount points under "/Volumes" which is often one reason.
There are a couple programs to show where space is going, as well as sort output from terminal, but I prefer OmniGroup OmniDiskSweeper - look on MacUpdate - to show and access files. Program works fine even though shareware.
And yes, you might want to use the Raptor? for something else and get even WD 640GB for $75, or the 3rd gen VelociRaptor 300GB $289.
There are threads in "Using Leopard" regularly about "where did my space go."

Why is Premiere 6 giving a "Error writing file (disk full?)" message?

Hello helpful experts,
I'm using Premiere 6 on a Windows 7 machine.
I have a file imported in to the timeline and it is set to play in reverse via the speed setting being set to -100 and it plays back in the preview window correctly, in reverse, when I click the play button.
But when I do a "File>Export Timeline>Movie" command I get an error message saying "An error occurred while making the movie. Error writing file (disk full?)"... but my hard drive is not nearly full, with over 30 gigs left open on it... and my RAM usage gadget shows over half of my RAM capacity is unused.
Now previously, weeks ago on a different project, I was getting this same error message for a while when I would hit enter to preview my movie on the timeline (but that worked itself out somehow and eventually stopped giving me that error message). But when I went to save and export, then I would not get the error message... now, it is just the opposite... I'm now getting the error message when trying to do an export and save the movie.
And also now when I hit enter to preview, as opposed to just clicking the play button on the preview window, Premiere is going through the process of saving the movie since it is saving a temporary preview file... hopefully, since I'm getting this error message, I can find the temporary preview file and save it as my exported AVI file.
But I still shouldn't be getting this error message when trying to save, or when trying to preview, as I did for a while a couple of weeks ago.
Does anyone know about the erroneous error message that says, "An error occurred while making the movie. Error writing file (disk full?)"
Thanks,
numetro

Depending on your hard drive size, P6 may be confused... since drives were not as large when it was written
For Win7 64bit Pro or Ultimate (or Enterprise?) this is ONE example of using Virtual XP http://forums.adobe.com/thread/702693?tstart=0
This is saved from an OLD message that may help
File size limits by disk format type
Fat = 2 Gig maximum file size
Fat32 = 4 Gig
NTFS = ?Terrabytes?
Message saved from Premiere forum
John Acocks - 07:52am Apr 17, 2003 Pacific
I am unable to complete captures because I get a message
that says "capture stopped because disk was full." What
does this mean?
Daniel Conklin - 08:02am Apr 17, 2003 Pacific (#1 of 2)
If you are using a Pinnacle card, a possible solution to
this is to right click on the recycle bin, and set the
percentage on your media drive to less than 2%.
There a several other possible causes as well, but you
need to supply some info about your system. How are you
capturing and what format is your video? How big is
your hard drive?
Jeff Schell - 09:57am Apr 17, 2003 Pacific (#2 of 2)
this is one of my favorite error messages. Basically,
you've chosen an incorrect setting in your DV settings.
(Odds are you have DV settings). If so, read on:
1. The DV format is very rigid. Meaning that if you
   make changes to the format, it cannot export as
   requested, because your movie file must match every
   single spec exactly.
2. When Premiere goes to export a project, the DV codec
   says "Whoa. I can't do anything, because the settings
   don't match."
3. Then Premiere comes back to you and has to report an
   error. (Don't shoot the messenger). Unfortunately,
   Premiere doesn't know why it wasn't able to export a
   movie. So it says to you, "Um... I can't make the movie.
   Um... maybe your hard drives are full?"
It's a complete guess. And has nothing to do with your harddrives.
Check your project settings and/or your export settings. Make
sure you have chosen one of the "presets" that will specify
every correct setting for you. Make sure it is one of the DV
presets, if you are using DV video, or make sure it is one of
the presets supplied by your capture card manufacturer (in this
case I'm going to guess Pinnacle or Matrox.)
To choose a preset, go to Project > Settings Viewer, and then
click on the project settings column, and then click 'load' to
load a correct preset. Do the same with export settings.

Back up disk not available

Airport extreme is not backing up. I keep getting a Back up disk not availabel message

rhaas99 wrote:
The paperwork I have says "Time capsule is a full-featured airport extreme base station". So I thought it was the airport extreme.
That's true, but a bit misleading. "Time Capsule includes . . ." would be more clear.
When I try to do a back up using the time capsule, I have been getting a message that "Back up disk is not available"
First, just re-select the TC's internal HD drive in Time Machine Preferences.
If that doesn't help, try a "full reset" per #A4 in Time Machine - Troubleshooting.
If still no help, try repairing the backups, per #A5 in the same article.
Oh, and you might want to change your profile from Airport Extreme to Time Capsule.
Message was edited by: Pondini

Imac frozen at blue screen after i went into disk utilities and cleaned my free space. I tried holding down T key as it reboots and i get a message. Start up disk full empty it how can one emptie it if you cant get past the blue screen

Imac frozen at blue screen after i went into disk utilities and cleaned free space.
I tried holding down T key as it reboots
and i get a message. Start up disk full empty it how can one emptie it if you cant get past the blue screen?
to make matters worse we bought the IMAC of amazon uk on the 4/07/011 so what can we do?
please remember how frustrating it is when asking for help when the helper telling you to type something on the screen when its frozen
Tell us when you can type some instuctions to the software how do you get to the doss prompt so to speak to do this
Thanks

i tried all this thanks
i can not get past blue screen and message Your disk is full it needs to be emptied Please not I cant proceed past this message.
no matter what you tell me
Am i right ok in thinking that
when i went into disk utilities and chose to clean my free space i left it over one hour to do its stuff
i came back and there was no progress bar just the box so i quit the program and when i opened mac mail the system just froze i forced quit mail rebooted and blue screen death
Now when free space is being cleaned is it the same as windows dose the utility write lots of 0 on the hard drive then rebbot its self to free the space
basicly is my hard drive full of 00000 is this why im getting this message because the process was interupted
I need to know if i need outside help i bought the computer on line on amazon uk what dose one do next

IMac won't restart, "Disk full error"

Shuts down soon after Apple, status wheel and status bar appear during startup. Tried safe mode, etc. and got "disk full error." "Could not be repaired."

I think the store appointment would be safest.
Of course, it's unix.
You need to get into single use mode for steps one and two that are listed below.
This page will tell you how to get into single user mode.
http://support.apple.com/kb/HT1492
Basically, you hold down the command-s key then powering on your machine. The command key has a little apple symbol on the lower left. It is between the alt/option key and the space bar. On a PC keyboard, it will be the windows key, I think.
# Type the follow two instructions to access the startup disk in read/write:
# ( in case of partial success repeat this command until errors go away. )
/sbin/fsck -fy
/sbin/mount -uw /
the delete command is rm. note the file is gone. there is not recovery beside backup
man rm
for cryptic details
"mac $" is the prompt yours will be different. Do these commands first. mac is my short user name. I do not thing the whoami command will give you your short user name . you will have to know or guess.
mac $ ls /Users
Deleted Users/ compile/       macLimited/    na copy/       standard/      t2-org/
Shared/        ftp/           macPanels/     na-old/        startup/       textw/
a (Deleted)/   mac/           mysidekick/    seeker/        student/
mac $ ls /Users/mac/Documents/
ALDL Getting Started Guide.doc
AccordianFinalColorSmall copy.jpg
... files clipped ...
Here is an overview of the terminal commands. Lets assume that your account has a short user name of mac.
#What is my short user name? Type the whoami command.
mac $ whoami
mac
mac $
#How to list all of your disks.
# The ls command is for list
mac $ ls /Volumes/
Audio CD       Macintosh-HD   Spotless       Tiger-ext
mac $
# Let's say your flash drive is named Spotless
# cd is change directory
mac $ cd /Volumes/Spotless
# pwd is print working directory
mac $ pwd
/Volumes/Spotless
mac $
# The ls command is for list # l is long # F is type of file where / is directory mac $ ls -lF
total 134704
-rw-r--r--     1 mac staff     64560 Mar 3 2009 A-picture-of-Youpi-key.png
drwxr-xr-x    83 mac staff      2822 Nov 7 14:52 Applescript files/
drwxrwxrwx    12 mac staff       408 Dec 13 2008 Christmas Cards/
drwxr-xr-x     9 mac staff       306 Dec 21 17:39 Christmas Cards 2009/
... trimmed ... What does all this mean?
drwxrwxrwx
d = directory
r = read
w = write
x = executeable program
drwxrwxrwx
| | |
| |   all other users not in first two types
| |
| group
|
owner
Every Unix resource: files, folders, etc has an owner, group, other
a file has one owner.
a file has one group. A group contains a list of users.
To gain access to a file. You can be the owner, in the group, or not being the owner or in the group you ended up as other. Each of these categories has read, write, or execute permissions.
# l is long
# a is all to show hidden files & folders
mac $ ls -lFa
total 134736
drwxr-xr-x    41 mac   staff      1496 Dec 22 17:11 .
drwxrwxrwt     8 root admin       272 Dec 24 13:55 ..
-rwxrwxrwx     1 mac   staff     15364 Dec 23 12:52 .DS_Store*
drwx------     4 mac   staff       136 Jan 22 2009 .Spotlight-V100
drwxrwxrwt     5 mac   staff       170 Sep 14 16:36 .TemporaryItems
d-wx-wx-wx     4 mac   staff       136 Dec 31 1969 .Trashes
-rw-r--r--     1 mac staff     64560 Mar 3 2009 A-picture-of-Youpi-key.png
drwxr-xr-x    83 mac   staff      2822 Nov 7 14:52 Applescript files
drwxrwxrwx    12 mac   staff       408 Dec 13 2008 Christmas Cards
drwxr-xr-x     9 mac   staff       306 Dec 21 17:39 Christmas Cards 2009
... trimmed ...
# mv is move or rename
mv -i the-name the-new-name
# You can just rename the file back to what it was with mv command.
mv -i old-name new-name
Here is what these commands mean:
cd is change directory
pwd is a print working directory
ls is list
sudo is Super user do
mv is move or rename
For cryptic comments, you can always uses the manual command which is man. For example:
man mv
# Type the letter q to quit.
In case you have spaces in your filenames or directories, you need to escape them. See examples:
mac $ ls -l ~/"see it"
-rw-r--r-- 1 mac staff 3171 Oct 26 23:38 /Users/mac/see it
mac $
mac $ cd /Users/mac/Desktop/ttt\ html\ copy/
Do you know about tabing? Type in a few letters of a name then press the tab key. The computer will type out the rest of the name if it is unique.
Press the up arrow key to see the previous command(s).
To edit a command, use the left arror key to more left and the right arror key to move right. Use the delete key to delete the key to the left. Type a letter to insert.
history to see many previous commands.
mac $ history
    2 man launchd.conf
    3 history
http://discussions.apple.com/thread.jspa?threadID=2692161&tstart=0
press the return key after every command.

Time Machine didn't spot change of back-up disk?

I have been running Time Machine onto an external Iomega 500Mb firewire disk without any problems. Three weeks ago I changed to an external Iomega 1Tb firewire disk. Both disks were named by default 'Iomega HDD'. Time Machine seemed happy with the disk change. With the larger back-up disk I was able to remove the exclusions I had previously specified in its Options.
Yesterday I noticed that the contents of the Iomega totalled just over 100Gb despite the iMac hard disk having about 450 Gb on it. Whoops! I had moved to the larger Iomega disk because the 500Gb disk only had space to retain files up to 3 months old.
So I wondered if Time Machine had been confused by the fact that there had been no change in back-up disk name and all it had copied to the disk since the disk change were incremental changes.
Using Disk Utility I erased the contents of the Iomega disk, changed its name and ran Time Machine again. Now it seems to be working correctly and the contents of the iMac disk and the Iomega are the same within 0.2%.
Was Time Machine confused by using 2 disks of the same name or could there have been another cause?
Andrew

Andrew E wrote:
I have been running Time Machine onto an external Iomega 500Mb firewire disk without any problems. Three weeks ago I changed to an external Iomega 1Tb firewire disk. Both disks were named by default 'Iomega HDD'. Time Machine seemed happy with the disk change. With the larger back-up disk I was able to remove the exclusions I had previously specified in its Options.
Yesterday I noticed that the contents of the Iomega totalled just over 100Gb despite the iMac hard disk having about 450 Gb on it. Whoops! I had moved to the larger Iomega disk because the 500Gb disk only had space to retain files up to 3 months old.
So I wondered if Time Machine had been confused by the fact that there had been no change in back-up disk name and all it had copied to the disk since the disk change were incremental changes.
Using Disk Utility I erased the contents of the Iomega disk, changed its name and ran Time Machine again. Now it seems to be working correctly and the contents of the iMac disk and the Iomega are the same within 0.2%.
that's how it should be. there are a few things like some temp files and trash which TM never backs up.
Was Time Machine confused by using 2 disks of the same name
it should not have been. it doesn't record the TM disk by name and it should have definitely made a full backup after you changed drives. I've never seen what you describe reported by anybody before. it's now too late to try and figure out what happened but you did the right thing to fix it.
or could there have been another cause?
Andrew

Time could not backup message said the back up disk image "/Volumes/Data-1/......iMac.sparsebundle" is already in use. Can anyone help me, with what to do? Thanks

Time could not backup message said the back up disk image "/Volumes/Data-1/......iMac.sparsebundle" is already in use.( the ..... is my name on the message)
Can anyone please help me, with what to do?
Thanks Sue

Ok.. read C12 and C17 is also relevant in Pondini troubleshooting.
http://pondini.org/TM/Troubleshooting.html
Try the above.
No luck then you should do
A1 .. Load the widget so you know what TM is doing.
A4 .. Reset of TM.
A5.. Verify the backup.
First thing.. though.. do a full network reboot..
Turn off everything.. restart the modem.. wait 2min.
Restart the TC.. wait 2min
Restart the computer. See if it now functions.
You might have to reset or do more severe stuff.. but try with that.
I am offline for 8 hours..
Pondini or one of the others here might be able to help further.

Premiere 6 error writing file - disk full?

have premiere installed on new windows 7 pc. plenty of space. edited short (minute) video. went to render and get this error message saying error occurred while making the movie, eoor writing file...disk full? saw forums on settings...am clueless as to where i went wrong? i uploaded via windows movie maker as avi? so discouraged. could anyone give me a clue as to whether i can do this??? and how??? thanks for any ideas.

I don't have the particular notes file where I am (and it's so old I may not even have it at home) but for P6 that "disk full" message may mean the disk is full... and it may be a complete GUESS since "something happened" that P6 can't handle, so it throws up a message just to let you know that something went wrong
I do know from past experience that P6 does NOT like AVI type 1, so you might check around to find a converter to convert your Type 1 file to an AVI Type 2 file with 16bit 48khz sound
>uploaded via windows movie maker as avi
What does that mean?
Do you mean you have a tape based DV camcorder, and you are transferring files to your computer via Firewire?
This is aimed at Premiere Pro, but may help
Work through all of the steps (ideas) listed at http://ppro.wikia.com/wiki/Troubleshooting
If your problem isn't fixed after you follow all of the steps, report back with ALL OF THE DETAILS asked for in the FINALLY section, the questions at the end of the troubleshooting link... most especially the codec used... see Question 1

ITunes, iPhone startup disk full messages

Since I got my iPhone 3G 2 weeks ago I have started getting "Startup Disk Full" messages. I then noticed that if iTunes is running, not downloading anything or searching for anything my remaining drive space starts to reduce until the messages. If I reboot this will give me back anywhere from 1 GB to 3 GB of drive space. I used to go for months without rebooting now I can't go a day. What would cause this? iTunes 8.0.2, OSX 10.5.5, iPhone OS2.2, Powerbook G4 1Ghz, 160GB drive, 1GB ram.

open up iTunes to see what is taking up the space.. is it applications/Media/Photos and delete appropriately. If not then you might have just hit a bug or installed some bad application.

I keep getting "startup disk full" message even when I already moved all my files/documents to an external hard disk

Dear all,
What should I do? I keep getting the "startup disk full" message even when I already moved all my files and documents to an external hard disk.
Thanks a heap.

For information about the Other category in the Storage display, see this support article.
Empty the Trash if you haven't already done so. If you use iPhoto, empty its internal Trash first:
iPhoto ▹ Empty Trash
Do the same in other applications, such as Aperture, that have an internal Trash feature. Then reboot. That will temporarily free up some space.
According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation. You also need enough space left over to allow for growth of your data. There is little or no performance advantage to having more available space than the minimum Apple recommends. Available storage space that you'll never use is wasted space.
If you're using Time Machine to back up a portable Mac, some of the free space will be used to make local snapshots, which are backup copies of files you've recently deleted. The space occupied by local snapshots is reported as available by the Finder, and should be considered as such. In the Storage display of System Information, local snapshots are shown as Backups. The snapshots are automatically deleted when they expire or when free space falls below a certain level. You ordinarily don't need to, and should not, delete local snapshots yourself.
See this support article for some simple ways to free up storage space.
You can more effectively use a tool such as OmniDiskSweeper (ODS) to explore your volume and find out what's taking up the space. You can also delete files with it, but don't do that unless you're sure that you know what you're deleting and that all data is safely backed up. That means you have multiple backups, not just one.
Deleting files inside an iPhoto or Aperture library will corrupt the library. Any changes to a photo library must be made from within the application that created it. The same goes for Mail files.
Proceed further only if the problem isn't solved by the above steps.
ODS can't see the whole filesystem when you run it just by double-clicking; it only sees files that you have permission to read. To see everything, you have to run it as root.
Back up all data now.
If you have more than one user account, make sure you're logged in as an administrator. The administrator account is the one that was created automatically when you first set up the computer.
Install ODS in the Applications folder as usual. Quit it if it's running.
Triple-click anywhere in the line of text below on this page to select it, then copy the selected text to the Clipboard by pressing the key combination command-C:
sudo /Applications/OmniDiskSweeper.app/Contents/MacOS/OmniDiskSweeper
Launch the built-in Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Paste into the Terminal window (command-V). You'll be prompted for your login password, which won't be displayed when you type it. You may get a one-time warning to be careful. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.
The application window will open, eventually showing all files in all folders, sorted by size with the largest at the top. It may take a few minutes for ODS to finish scanning your files.
I don't recommend that you make a habit of doing this. Don't delete anything while running ODS as root. If something needs to be deleted, make sure you know what it is and how it got there, and then delete it by other, safer, means. When in doubt, leave it alone or ask for guidance.
When you're done with ODS, quit it and also quit Terminal.

Back-up disk full

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