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  • roystonfrombrighton Level 1 Level 1 (0 points)

    Pondini, hello,

     

    I have just discovered your extremely useful exposition on the Time Machine. Thank you for making such information available to me, and other beginners, I am sure. I have made extensive bookmarks, and also printed some of the FAQs for use in extremis.

     

    Unfortunately, I bought the Airport Extreme before I realised that I would need TM to make backups, and that I should make backups. (Nothing against the AE which works very well).

     

    I am a casual, if intensive, user of my MacBook Air, that is, there is no critical information, which would be damaging if lost. I think, therefore, that in view of the widespread reports regarding the WD external drive, I will go for a LaCie Porsche, and use it alone with two partitions.

     

    Thank you again.

     

    roystonfrombrighton.

  • roystonfrombrighton Level 1 Level 1 (0 points)

    ds store, hello,

     

    I have been studying your post on Backup, Restoring and Formatting, under the sub-heading of 'Clone and Reverse Clone'.

     

    There I find the advice:

    "Cloning back and forth is not for SSDs x x x".

     

    As you will know, my MacBook Air uses an SSD hard drive. Incidentally, I built my old Windows computer with an SSD hard drive, and I am aware of the shortcomings of SSD drives relative to wear restrictions.

     

    Will you kindly expand upon that piece of advice? Do you advise that the SSD not be cloned at all, or, do you advise that cloning can be done but not too frequently? And of course, the whole point of making a clone is to write it back onto the SSD, in case of need.

     

    Thank you

    roystonfrombrighton.

  • Benjamin2203 Level 1 Level 1 (0 points)

    I'm not sure if this is the right discussion to ask this but anyways, what do you have to do if you want to carry out the "Repair Disk" feature in "Disk Utility"? Do you need to back up your hard drive by making a clone of it? Do you run the "Repair Disk" in recovery mode? Once you run the "Repair Disk" feature will you lose any data in your computer?

  • Pondini Level 8 Level 8 (38,720 points)

    Benjamin2203 wrote:

     

    I'm not sure if this is the right discussion to ask this but anyways, what do you have to do if you want to carry out the "Repair Disk" feature in "Disk Utility"?

    If it's for an external HD, or a different partition on your internal HD, just run it from Disk Utility.

     

    If it's for your OSX volume, you can't repair the volume you're running from (kind of like a brain surgeon operating on himself).  You must start up from another source.  See #6 in Using Disk Utility, especially the yellow box.

     

    Do you need to back up your hard drive by making a clone of it? Do you run the "Repair Disk" in recovery mode?

    You should always do regular backups of your internal HD (and any externals that have data on them).  All disk drives fail, sooner or later, and other awful things happen -- hardware failures, lost or stolen laptops;  user mistakes; bad software or malware;  or the internal HD gets unrepairable directory damage.  You already have Time Machine, built-in to OSX.  You might want to review the Time Machine Tutorial, and perhaps browse Time Machine - Frequently Asked Questions.  #27 in the second link also has some alternatives.

     

    Once you run the "Repair Disk" feature will you lose any data in your computer?

    No.  That repairs the file system on the disk -- all the various directories, catalogs, etc., that keep track of OSX, your apps, data, etc.  It doesn't touch any actual files.  If there's damage, and Disk Utility can repair it, you may find lost or damaged files, but they were already lost or damaged. 

  • Benjamin2203 Level 1 Level 1 (0 points)

    Pondini,

    thanks for the tips, just one more question: do I need an empty external drive to use time machine or can I use an external drive with a lot of free space which also stores other files???

  • Pondini Level 8 Level 8 (38,720 points)

    You can use one that has other data, although there are some downsides.  See #3 in  Time Machine - Frequently Asked Questions.

     

    If the other data is important to you, you can have Time Machine back it up (if it's in a separate parititon), but that's not very reliable -- when (not if) the drive fails, you risk losing both the originals and the backups. 

     

    So it's much safer to use a separate drive. 

  • John Kauble Level 1 Level 1 (10 points)

    I just purchased a refurbed February 2011 15" 2.3Ghz i7 quad-core MacBook Pro.  I went with a refurbed Feb 2011 model because I ultimately wanted to be able to run 10.6.8 for a while longer in addition to 10.7.  Before I make any changes to partitions and install multiple OSs I want to be sure I am clear on a few things.

     

    I spent the last week scouring the Apple Support Forums and internet and found mounds of information but in some cases different sources contradict one another so I am hoping to clarify a few things….

     

    ITEM ONE:

     

         Clarification of limitations when booting MacBook Pro from Optical Media.

     

     

    From ds store post 10-23-11:

     

    "The firmware will not allow you to c or option boot off OS X install disks that are earlier OS X version that the machine originally came with and/or grey disk from another Mac model, or of the hardware drivers are not present on the install disks."

     

     

    The refurbed MacBook Pro came with Lion installed.  I contacted AppleCare, requested and received a replacement copy of the install disk that would have been shipped with the MacBook Pro originally.  I confirmed that it is 10.6.6 and that it DOES boot from the install disk and will allow me to install 10.6.6.  

     

    (10.6.6 was released on 1-6-11 or about 6 weeks prior to the release of the early 2011 MacBook Pros and would have been shipped with 10.6.6???)

     

    I also understand that my retail copy of Snow Leopard which is 10.6.3 will NOT boot on this MacBook Pro because it is a version of OS X that is earlier than the release date of this particular MacBook Pro.

     

    What I am not clear on…  (and this is almost purely a matter of curiosity) is:

     

    whether the 10.6.3 disk won't boot specifically because the firmware on the MacBook Pro looks at the version of the OS and refuses to boot an earlier version.

     

    OR

     

    is it because of hardware drivers that are not present on the 10.6.3 disk that predates the hardware I am attempting to install the OS on???

     

     

     

    I also found a post somewhere that indicated that 10.6.3 will not boot because it is confused by the presence of the Lion Recovery HD partition…  Is there any truth to that???

     

     

    Lastly, although future hardware will most likely not come with install disks…

     

    Am I correct in my understanding that the grey install disks that came with hardware in the past ONLY contained the hardware drivers for that particular configuration of hardware and therefore should only be used to boot the specific hardware they came with???

     

    On the other hand, when purchasing versions of OS X that were provided on optical media (not accompanied by hardware) ALL of the hardware drivers for hardware available at that time were included on the optical media and could therefore be used to boot and load onto any approved hardware????

     

    Please let me know if I have this correct or not…

     

    THANKS

     

    John

  • Benjamin2203 Level 1 Level 1 (0 points)

    Pondini,

    What format should an external hard drive have in order to use it with Time Machine?

  • Pondini Level 8 Level 8 (38,720 points)

    Mac OS Extended (Journaled) or Mac OS Extended (Case-sensitive, Journaled), and either APM or GUID Partition Map Scheme.   See #5 in Time Machine - Frequently Asked Questions for details.

     

    If you're on Lion, they could also be encrypted if you want.  See #31 in the same article.

  • vonroberts1 Level 1 Level 1 (0 points)

    Hi DS may I ask you as you seem extremly knowledgeable about Macs. I have a recently purchased Mac Dest\kyop and am running movies etc shared to my Apple TV 2 but I keep getting memry full messages  and my computers speed has slowed down cosiderably. How can I play all my movie and TV show content from a harddrive instead attached to my desk top so i can free up space on my internal hard drive?

    Thanks von

  • jsphones Level 1 Level 1 (0 points)

    Hi,

    Really appreciate this detailed guideline.

    I am new to mac world and last week bought imac late 2009 model with all original grey disks for 10.6.4 and ilife disks.

    I wanted to format all prevoius user data so I went to disk utilities and erased all the hard disk. Now whenever I want to install the OS with those grey original 10.6.4 disks, and it starts the setup, select english language and then it says OS X can't be installed on....... Try using time machine backup but when I try to find the backup, it keep searching and does'nt do anything.

    And when I bought the machine, it has 10.7.3 I think was installed on that.

    I suspect it might be because of downgrading, because someone told me that EFI partition is not letting it downgrade.

    But it should must do the original operating system without any problem.

    I will appreciate your kind step by step guideline to solve the problem and make it ready working for any OS X.

    Thanks

  • ds store Level 7 Level 7 (30,315 points)

    jsphones wrote:

     

    imac late 2009 model with all original grey disks for 10.6.4 and ilife disks.

     

    it says OS X can't be installed on.......

     

    The iMac late 2009 originally came with 10.6.1 machine specific disks.

     

    Those 10.6.4 disks are for Early 2011 Mac's amd are machine specific versions, they have different hardware drivers is why you can't install OS X with them.

     

    You need to get the 10.6.3 white retail disk from Amazon or elsewhere, Apple just stopped selling them a few days ago. Those have the correct drivers for your model of Mac.

     

    You might try calling Apple and see if they will sell you the 10.6.1 machine specific grey/black disks for that Mac, if not you'll have to find the 10.6.3 white disks online and they don't come with the free iLife like the machine specific disks do.

     

    Once you have installed 10.6.3 and upgraded to 10.6.8 via Software Update, you can use Pacifist from CharlesSoft to extract the iLife programs from the 10.6.4 disks you have, since you own the disks your entitled to using the software.

     

    And when I bought the machine, it has 10.7.3 I think was installed on that.

     

    I suspect it might be because of downgrading, because someone told me that EFI partition is not letting it downgrade.

     

    When you erase 10.7 c or option key booted from the 10.6.3 disk, you need to select the entire drive on the left side, (select the drive makers name and size) then that will catch the hidden EFI and Lion Recovery partition, reset your GUID partition table back to 10.6.3 specifications.

     

    How to erase and install Snow Leopard 10.6

     

     

    BTW this thread is rather old and can't be edited, since this Apple Support has implemented User Tips, which is better.

     

    https://discussions.apple.com/community/notebooks/macbook_pro?view=documents

  • jsphones Level 1 Level 1 (0 points)

    Thanks for your quick reply.

     

    I will try everything what you told me to do, and get back with the update. In the meantime, will try to find 10.6.3.

     

    What if I buy the latest OS X from Apple store and install that.

     

    Will it be ok with that?

     

    And what is ilife, is that something must I should have on imac?

     

    Thanks

  • ds store Level 7 Level 7 (30,315 points)

    jsphones wrote:

     

    What if I buy the latest OS X from Apple store and install that?

     

    10.8 will run on late 2009 iMac's, however you need to first install either 10.6 or 10.7 and Software update fully to get the AppStore to download it from.

     

    Now if the machine had 10.7 on it originallly, then you should be able to hold the command r keys down (or option key) while booting and you'll boot Lion Recovery partition where you can erase the Macintosh HD partiton and reinstall 107 form Apple's servers with your AppleID and password (requires a fast reliable Internet connection) once you do this and reboot, then set up OS X, you can log int AppStore and download the 10.8 upgrade.

     

     

    And what is ilife, is that something must I should have on imac?

     

    iLife is a suit of Apple programs, it's not a must have. You can purchase them from the AppStore once you settled on 10.8 or 10.6

     

    https://en.wikipedia.org/wiki/ILife

     

     

    But since you have the 10.6.4 machine specific disks (from another Mac) you can extract iLife programs from them using Pacifist from CharlesSoft, then Software Update and they will be updated.

     

    http://www.charlessoft.com/

  • TF02 Level 1 Level 1 (0 points)

    Can you help me? Had the old MAC single box/monitor unit in early 90's at my company. Made a sound recording of my then 4 year old son. tTought I had lost it. I came across a diskette that is labeled as the one. When I inserted into my WIN XP PC desktop cabinet diskette reader and clicked on Properties ,it does not register anything or show any size. Perhaps this is good as it may mean it is formatted for Apple, again implying I may have found my sound file.

     

    Do you have any suggestions? I can find someone in my business community who has a modern day MAC but they won't have diskette reader.

    TF