Create Yosemite Recovery Partition

[sheppy1]

Hi All

I recently installed an SSD in my MBP and used CCC to copy my data from the old drive to my new SSD. In doing so though it appears that my recovery partitions did not come with it.

I am now left without a recovery partition and require one for find my mac to work (among other reasons for needing one). I am wondering if there is any way to create one other than re-installing the os?

Thanks

 

[tywebb13]

To make a recovery partition:

1. Download the Lion Recovery Update from http://support.apple.com/kb/dl1464. Make sure it is in your downloads folder. If you still happen to have the yosemite installer app somewhere, right click on it and click Show Package Contents. Go to Contents/SharedSupport/. Copy the InstallESD.dmg file into your Downloads folder. If you don't still have the installer, you can get it again by redownloading from your purchases tab in your mac app store.

2. Download and decompress the file recovery.sh.zip from http://4unitmaths.com/recovery.sh.zip and move recovery.sh into your Downloads folder if it's not there already.

3. Open Terminal and type the following commands:

chmod +x ~/Downloads/recovery.sh

sudo ~/Downloads/recovery.sh

4. Wait a few minutes for it to finish and return back to a prompt. Reboot with holding down the option key to test your 10.10 recovery partition (or command-r if you have core storage logical volume).

 

[sheppy1]

Absolutely fantastic instructions! Thanks for your help with this just downloading the installer now and will report back as to whether it worked for me or not.

Appreciate your help

 

[sheppy1]

That worked a charm! failed the first time for some reason but worked just fine the second time thanks again for your help with this one!

 

[makeintosh]

Ends successfully but didn't work

To make a recovery partition:

1. Download the Lion Recovery Update from http://support.apple.com/kb/dl1464. Make sure it is in your downloads folder. If you still happen to have the yosemite installer app somewhere, right click on it and click Show Package Contents. Go to Contents/SharedSupport/. Copy the InstallESD.dmg file into your Downloads folder. If you don't still have the installer, you can get it again by redownloading from your purchases tab in your mac app store.

2. Download and decompress the file recovery.sh.zip from http://4unitmaths.com/recovery.sh.zip and move recovery.sh into your Downloads folder if it's not there already.

3. Open Terminal and type the following commands:

chmod +x ~/Downloads/recovery.sh

sudo ~/Downloads/recovery.sh

4. Wait a few minutes for it to finish and return back to a prompt. Reboot with holding down the option key to test your 10.10 recovery partition (or command-r if you have core storage logical volume).

Thank you tywebb13. I have the same problem. Exactly followed your good instructions twice. Each time the process ended successfully with a message saying the partition is created but it doesn't appear as an option on restart. Not sure what I'm missing. Would appreciate any additional help.

Thanks.

 

[tywebb13]

If the yosemite installer created a core storage logical volume, the recovery partition will not be visible in the startup manager you get when holding the option key down when starting up.

It is likely that you already have a recovery partition and do not need to create one manually. Even if you did create one manually, it is likely it DID work, but is still not showing up in the startup manager because you have a logical volume.

How to proceed (i.e., whether you revert the core storage or not) depends on your setup.

1. You only have yosemite

If you only have 1 main partition with yosemite and no other system, then you should also have just 1 recovery partition. In this case, you should be able to boot up the recovery partition with command-r without necessarily reverting it.

2. You are dual booting yosemite with other systems

If on the other hand you are dual booting, and have several recovery partitions and want to be able to select which one you want to boot up, it would be better to revert it to make it show up in the startup manager.

You can revert it this way:

Run these 2 commands in terminal.

diskutil cs list

and then

diskutil coreStorage revert lvUUID

where lvUUID is the last lvUUID reported by the previous Terminal command.

Then restart after you have run these commands in Terminal.

You will find that if you startup with the option key, the yosemite recovery partition will appear there after reverting.

 

[Weaselboy]

Thank you tywebb13. I have the same problem. Exactly followed your good instructions twice. Each time the process ended successfully with a message saying the partition is created but it doesn't appear as an option on restart. Not sure what I'm missing. Would appreciate any additional help.

Thanks.

The Yosemite install likely converted the volume to core storage, which is normal and not a problem. But that does remove the recovery boot selection from an option key boot. Just hold command-r at boot to access it directly.

If you do get to recovery with command-r, that is normal and there is no need to do anything else.

 

[tywebb13]

Command-R should work if he only has yosemite, and then reverting may not be necessary.

But if he is dual booting with other systems and wants to select which recovery partition to boot up into, it would be better to have them all show up in the startup manager in which case he should revert it.

As he didn't say whether he has just yosemite, or is dual booting with other systems, I put both options there.

I should also make it clear that having to manually create a recovery partition is a very peculiar scenario. It is sometimes necessary when:

1. A recovery partition is not created

2. A recovery partition is corrupted and needs to be deleted and recreated.

However it is NOT necessary when a yosemite installer creates one and is not visible in the startup manager because of core storage.

 

[keskeseksa]

Failed to create recovery partition

I have followed all instructions, but after I type the commands on Terminal I am asked for a password. I have no idea what password to use as I have not yet installed a password on my computer. I just press the space bar and receive a "sorry wrong password" message.
What password should I use?

 

[Weaselboy]

I have followed all instructions, but after I type the commands on Terminal I am asked for a password. I have no idea what password to use as I have not yet installed a password on my computer. I just press the space bar and receive a "sorry wrong password" message.
What password should I use?

The one you use to login to your account with.

 

[keskeseksa]

Partition recovery

The one you use to login to your account with.

.
Thank you but I do not use a password, I may have to create one but never mind because there a much simpler way to create a recovery partition:
http://musings.silvertooth.us/2014/07/recovery-partition-creator-3-8/
Happy Christmas

 

[steve62388]

.
Thank you but I do not use a password, I may have to create one but never mind because there a much simpler way to create a recovery partition:
http://musings.silvertooth.us/2014/07/recovery-partition-creator-3-8/
Happy Christmas

I used this method under Mavericks, and boy was it easy. Assuming it supports Yosemite then I can highly recommend it.

 

[keskeseksa]

recovery partition

I used this method under Mavericks, and boy was it easy. Assuming it supports Yosemite then I can highly recommend it.

It does!

 

[Sumleilmus]

Hot ziggety!

I don't usually post just to thank people, unless I was the thread starter, but perhaps I should do so more often.

tywebb13, this is a GREAT hint. Thank you so much. (Yosemite, I did this successfully under Yosemite.)

 

[McMastaBlasta]

Works like Magic

Thank you so much, this one works like magic.
I've tried "Recovery Partition Creator 3.8" before but hasn't worked for me.

But with your advise I've done it.

Thanks