Backup to two computers?

I generally SYnc my iPhone with my iMac.
I am going to be away for quite a while, and while away, my new iPhone 4 will be arriving and I will want to use my MacBookPro to activate the new phone, and to have everything transferred from i Phone 3 to 4. Can/Should I backup my iPhone to the MBP, or will doing that knock out everything on the iPhone, replacing it with what is in iTunes on the MBP?
And then going forward, can I sync my phone with both the iMac or the MBP?
Thanks

LIPhotoman wrote:
I generally SYnc my iPhone with my iMac.
I am going to be away for quite a while, and while away, my new iPhone 4 will be arriving and I will want to use my MacBookPro to activate the new phone, and to have everything transferred from i Phone 3 to 4. Can/Should I backup my iPhone to the MBP, or will doing that knock out everything on the iPhone, replacing it with what is in iTunes on the MBP?
And then going forward, can I sync my phone with both the iMac or the MBP?
Thanks
Google is your friend: "sync iphone with multiple computers"

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Yes indeed you can

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Welcome to Apple Discussions!
As you may have already found out, your iPod can only sync with one computer. This includes contacts and calenders. If you use the same software for contacts/calendars on both computers, you can export the files to your iPod. Just enable your iPod for disk mode under the iPod preferences pane, and export the files to your iPod. At the computer you sync music with, import the files from the other computer. You now will have a "master" contacts/calendar listing on the computer, so when you sync, you will have all of your contancts/appointments. Hope this helps!

Can two computers use the same backup??

I restored a seperate Macbook pro from the Time machine backup of MY Macbook. So I have two computers operating from the same backup. Is that recommended??

Yes, it should do. Once you change the name of the computer make sure you reset TM
See A4 here. http://pondini.org/TM/Troubleshooting.html
When you start the backup it will create a new sparsebundle.. (like a virtual disk that holds the backup on network drives) and you will be able to check that it is correct because it should be a new full backup.
Then you can do a full backup of one of the machines.. the other machine can continue to use the original backup.

My 2 TB Time Capsule's memory is full because it will not automatically delete old files as it is supposed to, so it is giving me zero backup of my two computers now. How can this be fixed so my Time Capsule deletes the old data and saves the new?

My 2 TB Time Capsule’s memory is full because it will notautomatically delete old files as it is supposed to, so it is giving me zerobackup of my two computers now. How can this be fixed so my Time Capsule deletes the old data and savesthe new?
Neither my local computer consultant nor I have been ableto change any of the settings in Time Machine to correct this problem. Working with the choices in the TimeMachine, there does not appear that there is any way to change the frequency ofthe backups either, so, after a year has elapsed, the time capsule is full, andmy only choice appears to be to erase all the current data on the Time Capsuleand start over, something that I do not want to at all let alone repeat on anannual basis. My questions are:
What can be done to have my Time Capsule delete old filesas it is supposed to do, so it has memory available to allow my computers toback up?
Is this a software problem that can be fixed online or isdoes this require a mechanical fix of defective hardware?

How much data is being backed-up from each Mac? (see what's shown for Estimated size of full backup under the exclusions box in Time Machine Prefs > Options).
Is there any other data on your Time Capsule, besides the backups?
Most likely, there just isn't room. Time Machine may be trying to do a very large (or full) backup of one or both Macs, and can't. Since it won't ever delete the most recent backup, there has to be enough room for one full backup plus whatever it's trying to back up now, plus 20% (for workspace).
Also see #C4 in Time Machine - Troubleshooting for more details.

Looking for the perfect workflow on two computers and backup photo's and synchronize LR 5

I work on two computers. A workstation in the studio and a laptop. I have a harddisk inside the computer containing all photo's. I have a external disk to backup these photo's.
On the worksation LR catalog sits on a second internal disk. LR runs from another disk. (On the laptop LR runs and contains the catalog on the same disk)
When working on location I download my photo's to this external harddisk. I also use this external disk to work on my photo's on location (home) with my laptop. Back in the studio I sync the internal and external harddisks.
I work with LR5 on both the computer and the laptop. After synchronizing the harddisks I open LR and synchronize the folder(s) using " Synchronize Folder ".
The adjustments I made to the photo's are still there because LR stores these in the RAW files and I use " Include Develop settings in metadata inside JPEG, TIFF, PNG and PSD files "
But the Virtual copies are not there. I understand why this is happening. I read all about exporting and importing Catalogs.
How can I synchronize the LR catalog?
For example. I worked on location. I imported the photo's to the external disk attached to the laptop. I worked on the photo's using LR on the laptop. The next day I want to work on them in the studio using my computer.
In order not to lose any adjustments and virtual copies I have te export the folder containing the new photo's and import them with LR on my studio computer. I have to include the RAW files in this export: " Export negative files "
What is the problem?
So I will need another harddisk. Next the export takes forever. Then I have to import it again. Takes forever too. When I synchronize the harddisk (using synchronizing software) it goes very quickly. But I lose the virtual copies because the LR catalog cannot be synchronized .
I tried to export the new files as a catalog without "Export negative files" and then after synchronizing the harddisks import this catalog on the second computer.
This is what happens:
LR does not see the photo's are already there. The option to import only the metadata is grayed out. It is not possible to tell LR where it should import the photo's. Then LR could see the files are already there and it only has to import the metadata changes.
Because I need to work on my photo's in the studio and on location this is realy a big problem.
I know I can work from a external disk on both computers. But that will slow down the workflow extremely because the catalog and the photo's are on the same disk. There are 261.216 photo's in this catalog. So export as a catalog back and forth is not a option.
Using Export As A Catalog also is a problem.
When I import new photo's from my camera (card) it is possible to tell LR where to store the files using a Date Format.
I use YYYY / YYYY-MM / YYYY-MM-DD:
But when I want to Import From A Other Catalog and tell LR where to store the files it does not see the folder structure already exciting. This a root problem. So it will put the folders where I direct it to and then I have to move the new photo's manually to the correct folders.
If the folder already excists it cannot merge them. In that case I have to move the new photo's from each day into the appropriate folder for each day !
This folder structure is important for me because many older photo's are not taged, but are easy to be found by date.
I probably are overlooking something and the solution is very simple. But I cannot find it ...
QUESTION : can anyone tell me what would be the best workflow in my case ? And still have a fast system ?

Here's what I do with the laptop/desktop workflow. Dedicate an big, fast external drive and place ALL Photo's, LR's catalog and presets (set preferences to Store Preset's with Catalog). You have one drive that has all the data you need to access your images and database on any number of computers. All the computer needs is a working copy of Lightroom. Clone that external drive to the backup drive, a 2nd external. Make as many clone's as you wish (one offsite, one in a fire proof safe, one to take on location etc). When one drive has newer data, just clone that to the others, they are all now in sync. One catalog. One master drive. The drive has all images and necessary associated files LR needs to work with (the expectation is lens and DNG camera profiles, the later can be embedded into a DNG and is thus on the drive too).

Proper setup for using two computers and backup drives?

I've just purchased Aperture 3 and want to fix a longstanding problem I've had with my workflow and setup in Lightroom. I've got an iMac and a MBP and what I'd like to do is use the iMac as my main computer for Aperture. My plan is to import my existing files into Aperture and copy them to an external (non-portable) hard drive for back-up purposes. Based on this, I'd have two copies of each file, one each on the iMac and the back-up drive, right?
I also use my MBP for a lot of photo editing work while on the road, but don't have a lot of drive space on it. I've bought a 750GB hard drive and I'd like to have the Library on this drive as well for use on the MBP. I know this would give me three copies of each file, but it would also give me some peace of mind in the event I somehow lost the info on the 750GB drive. I don't want copies of the images on the MBP directly as I don't have enough space.
Can this setup be "easily" done and if I make a change in an image on one computer will it be synchronized between the two computers and the two external hard drives? I guess in plain English, what I'd like to achieve is the ability to work on either computer and have the most recent versions synchronize when I attach the 750GB drive to the iMac, with the non-portable external drive as the back-up for the synchronized Library.
Thanks in advance for any help,
Kevin

No, vaults only look after a managed library. A referenced library has to be backed up manually.
There are a few reasons i prefer to use a referenced set up. I use a MBPro on the road for long periods and sometimes high volumes of large image files, so the limited capacity HD is no longer a problem.
Aperture does not slow down with a referenced library as the HD fills.
The Vaults cannot be accessed like manual back ups can, there is no way of knowing what is in there, you hope it is your entire Aperture library.
With manual project backup you have a more manageable size that is much more versatile, and is viewable because of its smaller size. You can delete stuff and then restore it from the backup.
It is safer in my opinion to not have all the library in a single library folder. Much safer split up by project.
When i did use a managed library and Vaults there were times when i wanted stuff off the Aperture library but still kept in the vault, which was not possible.
Allan

Upgrade to snowleopard and two computers sharing an external HD wireless

Hi,
I have recently upgraded to SnowLeopard, using a clean install. I therefore have to reinstall my itunes library, which is backed up via time machine.
I now would like to transfer my timemachine backup to my SL itunes library. However, I would like to have the library on my external harddrive, which is attached to my airport extreme.
For now I had transferred the itunes music folder form my timemachine backup to the external HD, and redirected my itunes library to that location.
Although that works fine, I am not sure it was the best thing to do, and that it should be done differently to not get problems later on (i.e. importing new music). Any suggestions?
Second question: We have ordered a second Mac for my partner. Will she be able to access the music folder on the external HD, if the new computer is authorized?
Thanks for the help

Noodlez,
Using the external between computers will work the same way. Yes, you will be able to use aliases, just as described.
One thin that has not yet been covered here is the issue of ownership and permissions. On any external, we can choose to have OS X "Ignore ownership on this volume." This is the recommendation that is most frequently made. You can, however, keep ownership and premissions in place in your scenario (two computers), provided your accounts on both machines have the same UID. If your accounts on both machines are the "initial" admin accounts created using the Setup Assistant, then they should both have a ID of "501." In other words, you should be good to go.
As we create each subsequent account in OS X using System Preferences>Accounts, the new account gets an incremental UID, beginning with "502," then "503," etc. If you are using any type of secondary account with some UID other than "501," you will need to reconcile the accounts on the two machines, or use the "Ignore ownership.." option.
Since you will be using this external drive with your portable MBP, you might want to consider one of the smaller form-factor drives. These drives are more expensive, especially when considering cost vs. capacity, but they are certainly more convenient to use with any portable. I have an 80 GB Firelite drive that is bus-powered, so I can carry just it (and it is very small) and a single cable. When needed, I simply plug it into my MBP, it spins up, mounts and shows up on my Desktop, and away I go.
Scott

Can I put my library on an external hard drive and use it between two computers?

Can I put my library on an external hard drive and use it between two computers? I have two MBP; I will refer to one as computer A and to the other as computer B. I would like to be able to plug in my external hard drive, boot up iTunes, and if there were any changes made to the library previous to its last time accessed on this compluter, they show up on that computer, regardless of being imported on the other.
A hypothetical example: I import three albums called 1, 2, and 3 on computer A over a week or so. I take the external hard drive and plug it into computer B. The entire library which was visible on A, is visible on B, including albums 1, 2, and 3.
Is this possible? If so, what files need to be copied onto the external? I'm trying some different combinations, trial and error basically. Hopefully someone knows and can answer before I mess up my library. I also want to do this to free up space on my computer. All importing will be done from disc.

iTunes/Preferences/Advanced : point your iTunes to the new location of the Library.
Set "Share on local network" in the Sharing tab, and you or everyone on the local network can play your music.
You make a backup first of the Library.
Move the follwing to the new location:
/Users/your username/Music/iTunes/iTunes Music
have fun.

How can I use two different PC's with Lr5.5 to manage and process my photos stored on external disk, and exchange the analysis between these two computers?

I operate on two computers and would like to be able download Lr jobs done on my laptop, to my stationary PC, also used to process other images, all stored on the same external disk.
In other words I want to process may photos on two PCs and to to have access to all analyses from one or even better from both computers independently.
Samek.

You need to put your photos AND LR catalog file (.lrcat) on the external drive, and make sure the external drive has the same device name or drive letter on both computers.
I have been using LR this way for several years and it works fine as long as you MAKE A BACKUP of the external disk somewhere, in case you lose or drop/damage the external drive which is easy to do. Nightly, or sometimes more than once a day, I copy all changes from my working external disk to another similar-sized external disk. I have lost a disk, once, and dropped/destroyed a disk, once, but recovery is as easy as using what used to be the backup disk as the primary one, and buying a new disk for the backup device. It does take some hours to copy the 1TB of photos to the new backup disk, but once that is done, it usually only takes a few 10s of minutes or less to copy what is new or changed each night.

I have three computers backing up onto the same Time Machine. The Hard drive of one has now failed, and I'd like to restore certain items (principally photographs) to one of the other two computers. How can I do this?

I have three computers backing up onto the same Time Machine. The Hard drive of one has now failed, and I'd like to restore certain items (principally photographs) to one of the other two computers. How can I do this?

"You can also browse the original backup disk for past backups by using "Browse other Time Machine Disks"--to see this choice, hold the Option key then click the Time Machine menu in the Finder (to see the menu, "Show Time Machine status in the menu bar" must be selected in Time Machine preferences."
Mac 101: Time Machine

Can I have same Itunes library in two computers?

I would like to have the same library in two computers.
If I use home share to import the whole library, Does that mean the library will disappear from the "old" computer? or
Will I be able to keep the same library in both computers?
What will happens when I add music to one of the libraries? Will they update? or Do I have to do it manually? Can playlist be imported from home share too? and can I have same playlists in the two computers?
Thanks!

Again without firsthand experience my understanding is iTunes copies (not moves) just the media from the Home Shared drive and adds it to your other library as a new item. It will not affect the original library.
As for syncing idevices, they are intended to sync with just the original library and only one library at a time. Apple deliberately designed it this way, and not so you could plug them into a new computer and transfer the contents from the device to the computer (see exception below). More information:
Some of the information below has subsequently appeared in a document by turingtest2: Recovering your iTunes library from your iPod or iOS device - https://discussions.apple.com/docs/DOC-3991
Your i-device was not designed for unique storage of your media. It is not a backup device and media transfer was planned with you maintaining a master copy of your media on a computer which is itself properly backed up against loss. Syncing is one way, computer to device, updating the device content to the content on the computer, not updating or restoring content on a computer. The exception is iTunes Store purchased content.
iTunes Store: Transferring purchases from your iOS device or iPod to a computer - http://support.apple.com/kb/HT1848 - only purchases from iTunes Store
For transferring other items from an i-device to a computer you will have to use third party commercial software. Examples (check the web for others; this is not an exhaustive listing, nor do I have any idea if they are any good):
- Senuti - http://www.fadingred.com/senuti/
- Phoneview - http://www.ecamm.com/mac/phoneview/
- MusicRescue - http://www.kennettnet.co.uk/products/musicrescue/
- Sharepod (free) - http://download.cnet.com/SharePod/3000-2141_4-10794489.html?tag=mncol;2 - Windows
- Snowfox/iMedia - http://www.mac-videoconverter.com/imedia-transfer-mac.html - Mac & PC
- iexplorer (free) - http://www.macroplant.com/iexplorer/ - Mac&PC
- Yamipod (free) - http://www.yamipod.com/main/modules/downloads/ - PC, Linux, Mac [Still updated for use on newer devices? No edits to site since 2010.]
- 2010 Post by Zevoneer: iPod media recovery options - https://discussions.apple.com/message/11624224 - this is an older post and many of the links are also for old posts, so bear this in mind when reading them.
Syncing to a "New" Computer or replacing a "crashed" Hard Drive - https://discussions.apple.com/docs/DOC-3141 - dates from 2008 and some outdated information now.
Copying Content from your iPod to your Computer - The Definitive Guide - http://www.ilounge.com/index.php/articles/comments/copying-music-from-ipod-to-co mputer/ - Information about use in disk mode pertains only to older model iPods.
Get Your Music Off of Your iPod - http://howto.wired.com/wiki/Get_Your_Music_Off_of_Your_iPod - I am not sure but this may only work with some models and not newer Touch, iPhone, or iPad.
Additional information here https://discussions.apple.com/message/18324797

Two computers sharing the same PC Music Library databa

Is there any way two computers can share the same music library database? It's easy to share the mp3 files, but I want to share the database (which contains the playlists and smart playlists). I haven't been able to find a way to point the Organizer at a different database location (the default location is \Documents and Settings\{username}\Application Data\Creative\Media Database.
Thanks,
Jeff

No, you cannot share the PC Music Library database. What you can do is that you can backup the PC Music Library database from the "master" PC and then bring the backup to the other PC and restore it to the other PC. You can perform the backup and restore in MediaSource's Tools->Settings->PC Music Library.

Syncing iPhoto library on two computers

My wife wants to have access to her VERY LARGE iPhoto '08 library on two computers - the desktop (her preferred) and the laptop (when the boys are doing homework on the desktop).
Rather than try to share the same library (i.e., networked drive), I set up the two to sync the library. Using +Folders Synchronizer 3.6.2+ (which is able to read and sync the package contents), I have the two libraries syncing so there is a duplicate of her library on both computers (also provides a bit of a backup).
The sync seems to be working well - EXCEPT the changes are not showing up in the iPhoto viewer. In other words...
...she added pictures to iPhoto on the desktop and then synced the laptop.
...Looking inside the iPhoto library (show package contents...) on the laptop and the new pictures were copied to the laptop.
...HOWEVER, when she opens iPhoto on the laptop they don't show up in the window.
I'm sure I'm missing something brainless. I thought it might be that the library needed to be updated but can't figure out how?
Any ideas? Thanks.

Danktuft:
If you have an external HD connected to the Mac then it's a very easy thing to do. See Apple's KB document on iPhoto: Sharing libraries among multiple users. Trying to get a library in the Shared folder to accept two different users is difficult. There is a site describing how to do that using Access Control Lists in Tiger: Share an iPhoto Library in Tiger Using ACL's. It may not work if you upgrade to Leopard at a later date. By far the easiest way is the external HD method.
Happy New Year
TIP: For insurance against the iPhoto database corruption that many users have experienced I recommend making a backup copy of the Library6.iPhoto database file and keep it current. If problems crop up where iPhoto suddenly can't see any photos or thinks there are no photos in the library, replacing the working Library6.iPhoto file with the backup will often get the library back. By keeping it current I mean backup after each import and/or any serious editing or work on books, slideshows, calendars, cards, etc. That insures that if a problem pops up and you do need to replace the database file, you'll retain all those efforts. It doesn't take long to make the backup and it's good insurance.
I've created an Automator workflow application (requires Tiger), iPhoto dB File Backup, that will copy the selected Library6.iPhoto file from your iPhoto Library folder to the Pictures folder, replacing any previous version of it. It's compatible with iPhoto 08 libraries and Leopard. iPhoto does not have to be closed to run the application, just idle. You can download it at Toad's Cellar. Be sure to read the Read Me pdf file.

Two computers accessing one external disk with iTunes ?

I have my iTunes music files located on an external firewire disk connected to my iMac.
Can I set up access from a Windows based laptop so that I have in fact two computers accessing the same set of music files?
If so, when I add music from either the Windows laptop or iMac will the other computer 'see' the files or must I do something first?
Message was edited by: Roger Cuthbert

I have Time Machine set up with both an iMac and my MacBook using the same drive. But unlike what Canada Steve is doing I've set the MacBook to look at the hard disk as a network volume so backups can be done at the same time and restoring can be done wirelessly.

Backup to two computers?

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