Time Machine Backup to network shared drive.

Hi All,
I'm a relatively new Mac user (only had my MacBook Air (2010) since about Oct/Nov. I've been trying to get Time machine up and running so that it backs up to a shared 2TB drive on my wife's Windows Desktop Computer, but have only been partially successful.
Theese are the instructions I used: http://safalra.com/other/time-machine-network-drive/
Everything went super smooth and I was rewarded with a Time Machine Backup of about 94GB in progress when I went to sleep last night. However, when I woke up this morning I saw the error that something went wrong (same error I always see) and that I should try again later.
I restarted the backup on the Time Machine to see a backup progress of "43K of 32GB". It seems to be staying right there though. This seems to happen every time I try this. Has anyone had any success doing a Time Machine backup to a Windows Network drive?

The most recent error was along the lines of C3: ". . . an error occurred while copying files to the backup volume".
"The backup was not performed because an error occurred while copying files to the backup disk. The problem may be temporary. Try again later to back up. if the problem persists, use Disk Utility to repair your backup disk.:
Also, here's the 4 most recent log entries I have from Time Machine Buddy. They go newest (top) to oldest (bottom).
Starting standard backup
Backing up to: /Volumes/500GB-Time Miachine/Backups.backupdb
Error parsing SystemMigration.log to determine source volume of system migration.
No pre-backup thinning needed: 42.93 GB requested (including padding), 384.42 GB available
Stopping backup.
Error: (-41) SrcErr:NO Copying /Users/ericmontgomery/Music/iTunes/iTunes Media/Music/Album Artwork/Download/677910B9A6CE02EF/00/12/11/677910B9A6CE02EF-8FE79D8543C93BC0.it c2 to /Volumes/500GB-Time Miachine/Backups.backupdb/EricsMBA/2011-02-05-081809.inProgress/960F3178-23CD-4 B54-A669-4630937E75B9/Macbook Air/Users/ericmontgomery/Music/iTunes/iTunes Media/Music/Album Artwork/Download/677910B9A6CE02EF/00/12/11
Copied 1202 files (5.2 GB) from volume Macbook Air.
Copy stage failed with error:11
Backup failed with error: 11
Starting standard backup
Backing up to: /Volumes/500GB-Time Miachine/Backups.backupdb
Error parsing SystemMigration.log to determine source volume of system migration.
No pre-backup thinning needed: 42.93 GB requested (including padding), 384.42 GB available
Starting standard backup
Backing up to: /Volumes/500GB-Time Miachine/Backups.backupdb
Error parsing SystemMigration.log to determine source volume of system migration.
No pre-backup thinning needed: 42.93 GB requested (including padding), 399.92 GB available
Stopping backup.
Error: (-41) SrcErr:NO Copying /Users/ericmontgomery/Music/iTunes/iTunes Media/Music/Album Artwork/Download/677910B9A6CE02EF/00/12/11/677910B9A6CE02EF-8FE79D8543C93BC0.it c2 to /Volumes/500GB-Time Miachine/Backups.backupdb/EricsMBA/2011-02-05-081809.inProgress/48A5220A-4A96-4 8A2-A847-39C28D38F253/Macbook Air/Users/ericmontgomery/Music/iTunes/iTunes Media/Music/Album Artwork/Download/677910B9A6CE02EF/00/12/11
Copied 263 files (5.2 GB) from volume Macbook Air.
Starting standard backup
Attempting to mount network destination using URL: smb://Liz@liz-desktoppc/EricsBackup
Mounted network destination using URL: smb://Liz@liz-desktoppc/EricsBackup
QUICKCHECK ONLY; FILESYSTEM CLEAN
Disk image /Volumes/EricsBackup/EricsMBA_5855caf7dafb.sparsebundle mounted at: /Volumes/Time Machine
Backing up to: /Volumes/Time Machine/Backups.backupdb
Error parsing SystemMigration.log to determine source volume of system migration.
No pre-backup thinning needed: 36.19 GB requested (including padding), 1.48 TB available
Stopping backup.
Error: (-41) SrcErr:NO Copying /Users/ericmontgomery/Music/iTunes/iTunes Media/Music/Album Artwork/Download/677910B9A6CE02EF/00/12/11/677910B9A6CE02EF-8FE79D8543C93BC0.it c2 to /Volumes/Time Machine/Backups.backupdb/EricsMBA/2011-02-04-195508.inProgress/F3C62C97-D053-4C D5-8D47-DF87184DF59C/Macbook Air/Users/ericmontgomery/Music/iTunes/iTunes Media/Music/Album Artwork/Download/677910B9A6CE02EF/00/12/11
Copied 298519 files (1.7 GB) from volume Macbook Air.
Copy stage failed with error:11
Backup failed with error: 11
Ejected Time Machine disk image.
Ejected Time Machine network volume.
Message was edited by: EricMontgomery

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Encrypted Time Machine Backups on a shared drive

Hello community,
the following situation:
I have an iMac and a MacBook Air, both running Mountain Lion.
Both use FileVault 2 encryption of the whole MacOS partition.
The iMac is connected to an external USB hard drive, which I use as Time Machine volume. I've set up Time Machine to encrypt the backups on the external volume (it took abou 2 days until the whole drive was encrypted).
So far no problems. No let's get to the tricky part.
I want to the MacBook to use the same USB drive for its Time Machine backups. However I don't want to connect the volume directly via USB. Instead I have shared the USB volume on the iMac. And now I want to use this shared drive as my backup drive in the MacBook. (Hint: I want to use the same partition both for the iMac backups as well as for the MacBook backups.)
I can mount and select the drive on the MacBook. However Time Machine on the MacBook asks me, if I want to envrypt the backups. Which of course I want to do. But the USB drive and therefore the entire mounted volume is already encrypted (from the iMac).
Now I'm scared to opt in for encryption on the MacBook because I'm afraid the MacBook will again encypt the whole volume. Will that be the case? If so, what will happen on the iMac afterwards? Or will Time Machine recognize, that the volume is already encrypted (encryption passwords are the same of course)?
Or is it not necessary to activate backup encryption on the MacBook since the drive is already encryted? Or will the MacBook somehow manage to write unencrypted backups on an encrypted volume?
I would really appreciate any help to get the backups up and running. In short: I want both Macs to backup to the same drive. And I want both to encrypt the backups (with the same password).
Regards

meistermilchreis wrote:
(Hint: I want to use the same partition both for the iMac backups as well as for the MacBook backups.)
That's usually not a good idea; for best results, they should be in separate partitions. See Time Machine - Frequently Asked Question #4 for an explanation, and #22 for setup instructions.
I can mount and select the drive on the MacBook. However Time Machine on the MacBook asks me, if I want to envrypt the backups. Which of course I want to do. But the USB drive and therefore the entire mounted volume is already encrypted (from the iMac).
Backups made over a network are placed in a sparse bundle disk image, separate from the backups made directly. The disk image is like a disk-within-a-disk; it has it's own partition map scheme and format. So it will not be encrypted unless you tell TM to do so.
In short: I want both Macs to backup to the same drive. And I want both to encrypt the backups (with the same password).
Since the backups are separate, they must be encrypted separately. You may use the same password for both if you want.

Can I turn off Macbook while Time Capsule is archiving Time Machine backup to a USB drive?

My Time Capsule is archiving my Time Machine backup to a USB drive attached to it. I have initiated this process on my macbook (on the same lan with the Time Capsule), on which I am monitoring the archiving progress on the Airport Utility. Still almost a couple of days to go... Can I turn off my Macbook, or will that interrupt the process of archiving?

If LaPastenague is willing to do a "test", then we will all know more.
Opened my big mouth.
The archive is happening.. I turned off the computer it was setup from.. running Mavericks and latest utility once I got it started. I have been checking from v6 utility on Mountain Lion.. and it is excruciatingly slow. But is running.
I can check the progress but v6 utility is utterly and completely useless.. it continually shows the same numbers.
v5 utility does show it is crawling along.
v6
20min later..
Look, look, there is a tiny blue fleck in the progress bar!!
v5 utility shows the actual progress. Actually tells you total and amount backed up so far.
Amazing how advanced v5 utility is over v6.
The estimate of 10hours is probably correct at the present rate of progress. I suppose for 500GB, around 50GB/hr is about what we expect from TM backups etc.
I will post another picture in an hour and probably kill it then before I die of watching paint dry.

Transfer Time Machine backup from one external drive to another

Surely this has been covered, but I can't find it.
If you have your time machine backup on an external drive and get a new (larger) external drive, what is the best way to transfer the backup from one drive to the other (and define the new drive as the backup drive)? Straight copy ? Then to define the new drive, rename old drive to something else and name new drive the backup name?

I haven't tried this yet but a few other methods are described at http://www.macosxhints.com/article.php?story=20071128055047339

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Hello,
I need some help transferring my Time Machine backup to an external drive. Let me explain what happened.
I have a Mac OSX Mountain Lion that was upgraded to Mavericks when the upgrade came out. Prior to upgrading, I've been backing up WD Passport Mac with the proprietary software "WD Unlocker on it". It worked flawlessly but after upgrading to Mavericks, I decided to backup and noticed that once i inserted the WD Passport, my screen will flicker, windows will close and reappear.
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I then copied my entire backups.backupdb folder to my Mac desktop and formatted my WD Passport external drive and got rid of the proprietary software "WD Unlocker".. Once this was completed, I then tried to copy my backups.backupdb folder to my external drive within finder. Each time i tried, i get error messages and permission messages. Even when i changed the permission on the backups.backupdb folder to read & write for everyone, i still get the permissions error.
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Since you don't really have a question, I will give you a very broad information source for the next time you have a Time Machine question.
Please visit Pondini's Time Machine FAQ for help with all things Time Machine.
Oh, you cannot use a computer whose only disk drive is the target of a an OS X cloning operation regardless of what software is used for the clone. You can, however, use the source drive except if you try to clone using Disk Utility.

Transfer Time Machine backups to a new drive

Is there an automated or an easy way to transfer my current Time Machine back ups to the new Time Capsule (I am sure I will inevitably buy it]. Looks like a great system for notebook users but I wouldn't like to start again with time Machine I like having the security of back ups I have already accrued. My current drive is certainly not full and won't be for a while.

So far not very many people have had much success in copying their Time Machine backups to a new drive although the Restore option in Disk Utility ought to be able to do this. However, SuperDuper will support that capability when their new Leopard compatible version is released which should be in a week or so.
http://www.shirt-pocket.com/SuperDuper/SuperDuperDescription.html
http://www.shirt-pocket.com/blog/

Can Time Machine Backup to Two Different Drives?

I have many Apple Computers, and I was wondering if it were possible to have time machine backup to two different drives.
I want it to back up My documents, Mail, and other files/folders that I access often to a partition of my internal drive every minute.
And
I want it to back up Everything on my Mac to my external each night upon connecting it to my mac.
I take my MacBook everywhere with me and I need to make sure that the files I work on the most stay Perfectly Accessible no matter what, and I don't want to sacrifice too much space for that procedure. I would rather just be able to do constant backups of my most used files and folders, and then do a system backup each night to make sure I always have what is needed.

Let me add some more observations. I use two disks, one at home (its a mounted volume on another Mac at home) and the other is a portable disk that I attach to my MBP at work. This works fine.
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As for doing constant backups of the most used files and at night doing a system backup - it seems to me you aren't "getting" TM. This sounds like the type of backup strategy one uses with "regular" backup software. I don't think I'd recommend backups every minute, but for short intervals, why not just do a default backup of everything. It doesn't really back up everything, just things that have changed. The only time it does a complete backup is the first time you use it with a specific drive. After that it no longer does complete backups, unless you reformat the drive and start from scratch.

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nachdenki wrote:
strange, my external HDs were added to the exception list automatically. maybe because they wouldn't fit on the time machine volume.
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Can you use time machine on a networked hard drive

Can you use time machine on a networked hard drive?

See if this helps: Using Time Machine with a networked hard drive

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We have a simple network with OS X Server (10.6.4) + a 10.6.4 Mac client and a Windows XP client. For some time we have been suffering sporadic drop outs of the network connection from the iMac OS X client to the server: the shared drives just disappear and you can't reconnect.
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Its an absolutely infuriating problem and very disruptive for our business. I am loath to switch off Time Machine on the server but don't know what else to do. Has anyone else experienced this problem or got any ideas?
Message was edited by: davidav

Yep, Rikakiah, seems you are right, I am not alone! There are two other threads here which discuss the same issue:
http://discussions.apple.com/thread.jspa?messageID=11539266&#11539266
http://discussions.apple.com/thread.jspa?messageID=11539227
From my testing it seems that the problem may be related to some interplay between Time Machine and LDAP - I say this because I can sometimes clear the problem and regain access to my shares by going into Workgroup Manager, removing the group assignments (which give access to the shares), saving the change, then adding the group assignments back.
This made me think that your solution should fix it, but unfortunately although I have excluded /var/db from Time Machine backups, I am still sporadically getting the problem.
Message was edited by: davidav
Message was edited by: davidav

Time Machine backup to remote shared external HD

I've read through a lot of posts about this and I'm stuck.
I have a MacBookPro and a Mac Air.
Both are on the same WiFi network.
The MacBookPro has a firewire drive attached.
The MacBookPro has File Sharing on and a "TimeMachine" partition on the external FW drive is "shared".
From the Air I can "Connect As" a standard user account on the MacBook Pro.
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-- Randy

It might help to backup and tell you what I'm trying to accomplish, overall.
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I use SuperDuper and Drive Genius as my HD tools.
So, I'm able to take my new LaCie drive and partition/format it anyway that will work best with Time Machine.
I'd like to attempt to use my Time Machine backup from this last month (on "TimeMachineBackup") by moving it to the "TimeMachine1" partition and then have the two machine send both of their backups to that drive.
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-- Randy

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I'm not sure about whether Time Machine can include a drive that is a month out of date in a normal rotation.
This won't be a "normal" rotation. Assuming that you have already configured Time Machine on each Mac to back up to the USB drive, when you connect the drive to the Time Capsule, you will need to manually click Backup Now on a Mac to get the backup started. Then, do the same with other Macs that you want to back up.
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So, if you open System Preferences on a Mac,
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Click Add or Remove Disk
The USB drive doe not appear as a potential destination?
Have you restarted both the Mac and the Time Capsule?
Any recent changes to the Mac.....like installing a new operating system?

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nujac,
Time Machine backs up all locally attached drives unless you specifically exclude them in System Prefenences > Time Machine > Options.. icon.
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OK I ran into issues. I'm doing the play by play on Q18 for copying a locally connected backup to a network connected backup - so I start the backup with the backup disk connected to the TC and then stop it when the XXX of YYY copied shows up. I disconnect and connect the disk directly. The problem is I don't seem to have permission to mount the sparsebundle:
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So I did that twice with the same effect. Then I noticed I can mount the sparsebundle if I leave it connected to the time capsule. So its mounted - good. Then I go into disk utility and try to erase the mounted "time machine backups" drive and it didn't like that much - I wish I took a screenshot but I didn't. It basically said I can't do that.
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Time Machine Backup to network shared drive.

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