Missing Recovery Partition and Unrecognized File Systems

So, a long time ago I accidentally deleted my recovery partition and have recently been trying to fix it so that I can upgrade my OS to Mavericks. After browsing around here I found the Recovery Partition Creator 3.7 and used it to create a new recovery partition. Using the diskutil list command everything seemed to be fine and it looked like the partition was successfully created so I tried reinstalling OS X Lion by holding command R at startup. Doing so brought up the internet recovery menu and I selected reinstall Lion which was still unsuccessful because "a recovery partition could not be created". So, I decided to check in disk utility to see what might be wrong and I used the disk utility debug command in order to access disk utility's debug menu and show all the hidden partitions. Now, looking at these partitions I see two hidden partitions: disk0s1 which is an EFI partition, and disk0s3 which is the Apple Boot Partition that was created by Recovery Partition Creator 3.7. After verifying the partitions, disk utility is telling me that both my EFI and apple boot partitions have unrecognized file systems, my Macintosh HD partition is fine. At this point I do not know what to do.
Below are photos of the diskutil list and of what disk utility is showing me for the two hidden partitions.
For reference I am running OSX Lion 10.7.5 (11G63) on a early 2011 13 inch Macbook Pro (Base Model).
Bootrom version: MBP81.0047.B27
SMC Version: 1.68f99
Thank you all in advance for your help, feel free to ask me any questions.

Just an update, I went ahead and installed Lion again over the existing TM restored installation using the Lion Update file and at least File Vault is working. Interestingly, I still do not have a Recover partition so obviously something new for Apple Support to learn.

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Recovery partition and lost files g7-2254er Win 8

Hello! (sorry for my english)
My friend have HP g7-2254er COW24EA#ACB. Hi is loses laptop and after that Windows don't loaded corectly.
I'm try make recovery but not success.
After that I make factory recovey from boot time and Windows start again but I lost recovery with all fotos.
In Computer Managment - Disk Managment I see paritition 30Gb (Primary Partition) with 14Gb used spase but without any files inside.
How I can recovery user files?

Hi Dragon76ua,
Welcome to the HP Community, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I see that you had some issues doing a recovery. The missing 16GB from the primary partition is for the Windows operating system and those files are typically hidden you that a user can't accident deleted something. I have included a link here on how to see a hidden drive in Disk Management.
If you don't see a hidden drive then you have lost your other partition and unfortunately your photos are gone. A computer expert MIGHT be able to find some but it would cost quite a bit.
Thank you,
Please click “Accept as Solution ” if you feel my post solved your issue.
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I work on behalf of HP

Recovery Partition mandatory for File Vault and unencrypted TM Backup?

I recently had to setup my Macbook Pro from scratch meaning erasing the whole disk and start from there.
The update to Lion took already place a while ago and I had File Vault active. After making a last backup using
TM I erased the disk and all partitions including Recovery partition and used the Leopard system DVD to boot
the machine.
From there I used the restore function to restore my TM backup to the MacBook. However, as the drive was
not partioned and not formated, I had to do this manually. Apparently, the recovery process via TM does not include
that. After system recovery, I booted from the Macbook and all apps and configuration seemed ok.
I was a little surprised to see that I was able to do this recovery without being asked for ID and password of the user's File Vault access
or the File Vault recovery key. All I needed was the TM ID and password (which is different from the owners ID and password)
I am not sure if this is supposed to work like this but I looks rather easy to gain access to application an data of another user if that
is all it takes?
Now booting Lion again, I checked File Vault and noticed it was disabled although it was enabled for quite a while and long time
before I took the latest backup. I could not turn it on, after providing a recovery key and asking me wether I wanted to write it down
or safe it with Apple which I declined I wanted to reboot the notebook to start encryption but stopped saying my partition or volume
would not support File Vault. This was GUID and MacOS Extended Journal partition and volume which to my knowledge would
certainly support File Vault. In fact this is basically what I had before when File Vault was turned on and running.
I called Apple support a few times. The second agent told me that it does not work because there is not recovery partition on my
system but there was when I took the latest backup and I do have other means to get the recovery screen. Anyway it seems that
File Vault required a local Recovery partition and I was wondering if anyone can tell me why this dependency exist. If I write down the
recovery key, why would I need it to be stored on my disk as well?
Also, if anyone has an idea if there is a way of creating a local recovery partition without having to go through the lenghty process of installing
Leopard then upgrade to Lion and install all the apps and configure the OS again, would be great? I assume when I am back on Lion and use the TM
backup for recovery, I probably end up with having the Recovery partition deleted and start from scratch again.
I am a little concerned about the fact that it seems so easy to gain access to a protected backup and that the TM restore process does not include
restoring partition and volumes as well. Who knows how many other dependencies exist and users have to reinstall their system again after recovery.
I was following the recovery instruction of Apple but perhaps someone knows a better way to do this?

Just an update, I went ahead and installed Lion again over the existing TM restored installation using the Lion Update file and at least File Vault is working. Interestingly, I still do not have a Recover partition so obviously something new for Apple Support to learn.

Windows 8 Deleted Recovery Partition and Saved but No Boot

Hi
I ve Hp Pavilion G6 - 2336el , i bought it 5 months before and 2 days before i installed Ubuntu but by mistake ubuntu deleted all partitions (included recovery partition) and created one for itself.
by using DiskTest tool on ubuntu i recovered some files and full of recovery partition.
after that, for re-install windows 8 from recovered partition , i did set partition bootable by using another tool which was running on ubuntu.
now, windows 8 repair screen appears but im getting -a required device isn't connected or cannot be accessed- error.
i googled about this problem but the solution didnt work for me. (boot change from bios)
by the way , for precaution , i made an IMG file of recovery partition also (which is 14gb).
i tried burn a bootable disk with that image but didnt work because some files in img is too big for fat32.
after that i tried boot from EFI file but bios cant reach to Ntsf part. i tried to explorer IFE file in fat32 but i couldnt because IFE file which i ve is more than 13gb (same problem for fat32 file system)
so summary :
i ve recovery part with files (install.wim , *.ife files...) but getting error.
i ve an .img of partition but couldnt make bootable disk
Maybe there s a tool for reach ntsf then i can boot from ife...i dont know i need ur help.
what can i do?
im really so sad , already i lost many important data, files , pics.. im living in italy and im a student (not italian) and i really cannot order another cd from Hp for recovery.
Im waiting your help.
Thank you.

well, i downloaded windows 8 64bit Enterprise Evl. from microsoft site as says here : http://h30434.www3.hp.com/t5/Notebook-Recovery/Windows-Vista-7-and-8-ISO-Image-file-Download-Links/t...
and i installed without problem..
but before install the system with ubuntu live cd i booted pc and i found my product key which is embedded in bios.
then installed win8 Enterprise 64bit..
now my problem is activation, when i digit the key , before active it, it says under the box it s correct but when i click to active it then im taking the product key you entered will not work with this edition of windows 8 error..
what should i do
thank you

Recreate missing recovery partition

After wiping my computer via partitioning from a USB installer, and reinstalling from the USB, I noticed when I tried to boot that there is no recovery partition. Just OS X and Windows (bootcamp). Is there a proprietary built in Apple way to recreate the recovery partiton?

CCC Carbon Copy Cloner has a utility called "Disk Center" that is included with CCC that will create a Recovery Partition for you. I understand that CCC is not free, but it does have a free 30 day trial.
I did use the musings.silvertooth.us utility to create a missing recovery partition successfully, but found (1) it hard to find the right version on that site and (2) I was somewhat uncomfortable running a low-level AppleScript install program style utility built by an unknown source on the internet. Call my paranoid, but in the future I would prefer to either use CCC to avoid losing my recovery partition like I did with Super Duper (which I've loved for years until this missing recovery partition issue) or use CCC to create missing recovery partitions.
The "Disk Center" in CCC Carbon Copy Cloner is not obvious and easy to find... it's easy to not know it's there. But once you find it in the CCC menu system, it is seemingly obvious that it is a turnkey way to create a Recovery HD Partition.
I just thought I would share, since I burned several hours of pain-staking research and experimentation on this.

Deleted and lost my recovery partition and everthing will deleted.

Sir; my laptop has attacking some big viruses, i fix this viruses using McAfe antivirus, the option for SHRED the selected drive D (unfortunately recovery partition by mistake selected) files in shred scanning, after that D drive has all files deleted. i lost my partition drive. At the second stage, windows 10 upgradation notification in toolbars, i installed and upgrade to Windows 10. after the restart the screen will be in BLUE or BLACK stage, not to boot to the operating system. I will try to reset the early stage of my laptop, but not reseting the laptop, then try to refresh, but it could not been refresh, then try to factory reset, this one is also failed, then try to restart and hit esc key to enter boot option screen, try it on recovery option, this one is failed to the same problems. i can try all the ways to get my recovery drive os.Finaly i choose a option for use windows bootable disk to put the drive and reinstall the laptop, in installing process select drive to instal the os partition, no drives to select choose options, that time i will delete all the drives and create ne drive and partition. after installing the os but i can't get the recovery partition, and i will try to hp support to check updates, only the recovery is not found the check updates option. my laptop has 3 months warrenty remaining, but now my laptop is expired in 25/1/2015. please give me help in what can i do for next procedures and how can i get the previous mode or get recovery partition in my laptop. is it possible for early stage of my laptop? or A newly purchased hp laptop it contains all functions, these functions install my laptop?

, Hello and thanks for posting on the HP support forums. You will need to obtain a copy of the recovery media for your notebook. Here is a link to help you get a copy. HP PCs - Obtaining HP Recovery Discs or an HP USB Recovery Drive | HP® Support
Thanks again for posting and have a great day.

Hp pavilion dv6 missing recovery partition

hi.... i coppied the recovery files and folders into an external hard drive, and removed recovery partition and then formated the computer... now I can't recover my computer to original (factory) since I don't have recovery manager...
Help pleeeeezzzzzeeee

Hi
The only thing you can do is call your local Hp Tech Support or follow the link below :
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=bph07143
Hope this helps.
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When i was partitioning my hard drive i ran out of power (so it closed in the middle of the process). now when i try to partition it says Couldn't modify partition map because file system verification failed.

When i was partitioning my hard drive i ran out of power (so it closed in the middle of the process). now when i try to partition it says Couldn’t modify partition map because file system verification failed.

You'll have to select the entire external hard drive by the hardware name itself and then apply a new partition table to it under the Partition tab of Disk Utility. Erase and format the drive.
GUID for OS X.

Difference between ASM Disk Group, ADVM Volume and ACFS File system

Q1. What is the difference between an ASM Disk Group and an ADVM Volume ?
To my mind, an ASM Disk Group is effectively a logical volume for Database files ( including FRA files ).
11gR2 seems to have introduced the concepts of ADVM volumes and ACFS File Systems.
An 11gR2 ASM Disk Group can contain :
ASM Disks
ADVM volumes
ACFS file systems
Q2. ADVM volumes appear to be dynamic volumes.
However is this therefore not effectively layering a logical volume ( the ADVM volume ) beneath an ASM Disk Group ( conceptually a logical volume as well ) ?
Worse still if you have left ASM Disk Group Redundancy to the hardware RAID / SAN level ( as Oracle recommend ), you could effectively have 3 layers of logical disk ? ( ASM on top of ADVM on top of RAID/SAN ) ?
Q3. if it is 2 layers of logical disk ( i.e. ASM on top of ADVM ), what makes this better than 2 layers using a 3rd party volume manager ( eg ASM on top of 3rd party LVM ) - something Oracle encourages against ?
Q4. ACFS File systems, seem to be clustered file systems for non database files including ORACLE_HOMEs, application exe's etc ( but NOT GRID_HOME, OS root, OCR's or Voting disks )
Can you create / modify ACFS file systems using ASM.
The oracle toplogy diagram for ASM in the 11gR2 ASM Admin guide, shows ACFS as part of ASM. I am not sure from this if ACFS is part of ASM or ASM sits on top of ACFS ?
Q5. Connected to Q4. there seems to be a number of different ways, ACFS file systems can be created ? Which of the below are valid methods ?
through ASM ?
through native OS file system creation ?
through OEM ?
through acfsutil ?
my head is exploding
Any help and clarification greatly appreciated
Jim

Q1 - ADVM volume is a type of special file created in the ASM DG. Once created, it creates a block device on the OS itself that can be used just like any other block device. http://docs.oracle.com/cd/E16655_01/server.121/e17612/asmfilesystem.htm#OSTMG30000
Q2 - the asm disk group is a disk group, not really a logical volume. It combines attributes of both when used for database purposes, as the database and certain other applications know how to talk "ASM" protocol. However, you won't find any general purpose applications that can do so. In addition, some customers prefer to deal directly with file systems and volume devices, which ADVM is made to do. In your way of thinking, you could have 3 layers of logical disk, but each of them provides different attributes and characteristics. This is not a bad thing though, as each has a slightly different focus - os file system\device, database specific, and storage centric.
Q3 - ADVM is specifically developed to extend the characteristics of ASM for use by general OS applications. It understands the database performance characteristics and is tuned to work well in that situation. Because it is developed in house, it takes advantage of the ASM design model. Additionally, rather than having to contact multiple vendors for support, your support is limited to calling Oracle, a one-stop shop.
Q4 - You can create and modify ACFS file systems using command line tools and ASMCA. Creating and modifying logical volumes happens through SQL(ASM), asmcmd, and ASMCA. EM can also be used for both items. ACFS sits on top of ADVM, which is a file in an ASM disk group. ACFS is aware of the characteristics of ASM\ADVM volumes, and tunes it's IO to make best use of those characteristics.
Q5 - several ways:
1) Connect to ASM with SQL, use 'alter diskgroup add volume' as Mihael points out. This creates an ADVM volume. Then, format the volume using 'mkfs' (*nix) or acfsformat (windows).
2) Use ASMCA - A gui to create a volume and format a file system. Probably the easiest if your head is exploding.
3) Use 'asmcmd' to create a volume, and 'mkfs' to format the ACFS file system.
Here is information on ASMCA, with examples:
http://docs.oracle.com/cd/E16655_01/server.121/e17612/asmca_acfs.htm#OSTMG94348
Information on command line tools, with examples:
Basic Steps to Manage Oracle ACFS Systems

HT204053 hi i want to use find my mac but i got this massage (some configurations, such as software or hardware RAID,do not support a recovery partition and can't be used with find my mac)

hi i want to use find my mac but i got this massage (some configurations, such as software or hardware RAID,do not support a recovery partition and can't be used with find my mac)

hi i want to use find my mac but i got this massage (some configurations, such as software or hardware RAID,do not support a recovery partition and can't be used with find my mac)

Some configurations such as a software or hardware RAID do not support a recovery partition and can't be used with Find My Mac.

I'm getting the following error message when attempting to invoke "Find My Mac"
Some configurations such as a software or hardware RAID do not support a recovery partition and can't be used with Find My Mac.

You have no recovery partition. This is a normal condition if your boot volume is a software RAID, or if you modified the partition table after running Boot Camp Assistant to create a Windows partition. Otherwise, you need to reinstall OS X in order to add a recovery partition.
If you don't have a current backup, you need to back up before you do anything else.
You have several options for reinstalling.
1. If you have access to a local, unencrypted Time Machine backup volume, and if that volume has a backup of a Mac (not necessarily this one) that was running the same major version of OS X and did have a Recovery partition, then you can boot from the Time Machine volume into Recovery by holding down the option key at the startup chime. Encrypted Time Machine volumes are not bootable, nor are network backups.
2. If your Mac shipped with OS X 10.7 or later preinstalled, or if it's one of the computers that can be upgraded to use OS X Internet Recovery, you may be able to netboot from an Apple server by holding down the key combination option-R at the startup chime. Release the keys when you see a spinning globe.
Note: You need an always-on Ethernet or Wi-Fi connection to the Internet to use Recovery. It won’t work with USB or PPPoE modems, or with proxy servers, or with networks that require a certificate for authentication.
3. Use Recovery Disk Assistant (RDA) on another Mac running the same major version of OS X as yours to create a bootable USB device. Boot your Mac from the device by holding down the option key at startup.Warning: All existing data on the USB device will be erased when you use RDA.
Once you've booted into Recovery, the OS X Utilities screen will appear. Follow the prompts to reinstall OS X. You don't need to erase the boot volume, and you won't need your backup unless something goes wrong. If your Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade, so make a note of those before you begin.
If none of the above choices is open to you, then you'll have to start over from an OS X 10.6.8 installation. There's no need to overwrite your existing boot volume; you can use an external drive. Install 10.6 from the DVD you originally used to upgrade, or that came with the machine. Run Software Update and install all available updates. Log into the App Store with the Apple ID you used to buy 10.7 or later, and download the installer. When you run it, be sure to choose the right drive to install on.

Maverick upgrade: Can't create recovery partition and infinite loop

Hi,
I'm using MacBook Air Mid 2011 with 256 GB SSD (~30 GB free disk space) running MacOS 10.7.4. So far I never followed the suggestion to upgrade to MacOS Maverick but yesterday I thought, OK, let's do it.
After the first reboot the setup started working, but after about 5 minutes it quit with the error message, it can't create the recovery partition and said, after a reboot, I would be sent back to my old MacOS.
However, it booted again into the setup, worked a few minutes, quite with the error message and said, I have to reboot. I tried this a few times but didn't find a way to cancel the setup, but boot into my existing MacOS installation.
I found no other solution than to make a full restore with TimeMachine.
I'm now wondering what the problem was. One point may be that I use FileVault for hard disk encryption and it never asked me for my hard disk password. This is in particular remarkable because TimeMachine didn't show me my internal hard disk as a restore target until I went to the disk utility and used Unlock on my hard disk where I had to enter my password. So maybe this is related?
I know I could run the upgrade without creating a recovery partition but now I'm concerned that other problems could occur if I don't identify the root cause.
Best regards,
Dominik

You can try making a Recovery Volume using the 2nd link if you still have the installer.
Recovery Partition – Recreate Without Reinstalling
Recovery Partition – Recreate Without Reinstalling (Requires Installer)
You can also try installing in the Safe Mode.
Safe Mode
Safe Mode - About
Do you have a Boot Camp partition?

Swap partition VS Swap File system

Hi everyone!!
I am using Oracle 11g (enterprise edition) on linux redhat 5.5 . At present, we have 12G RAM and swap partition of 2G. I know that we should have swap area of 6GB as per RAM. But we are unable to create new swap partition or resize existing. So I want to know is should I create new swap file of 4Gb that can be used as swap area in addition to existing swap partition of 2Gb. So that total swap area will be of 6G
( 2G swap space + 4G swap file).
1. Will it be meaningful or not ?
2. Which one is better among swap partition and swap file ?
3. Will swap file cause performance degradation due to incompatibility between them ?
Thanks & Regards
Tushar Lapani

This is a 100 percent Unix question and has nothing to with Oracle RDBMS.
Please close this question here and post it in any Unix forum.
Sybrand Bakker
Senior Oracle DBA

Whether a Recovery-partition and its all contents will be created automatically..?

Please tell me whether a Recovery-partition and its all contents will be created automatically when I install Mac OS X 10.7 on a fully formatted new hard drive?

Gennady Abakyan wrote:
Please tell me whether a Recovery-partition and its all contents will be created automatically when I install Mac OS X 10.7 on a fully formatted new hard drive?
Usually, but there are some conditions that can prevent it. See "Some features of Mac OS X Lion are not supported for the disk (volume name)" appears during installation.
So, I get exactly the same (hidden) Recovery-partition on my Mac mini 2011 as from the store if I delete the hard drive current partitions scheme and create a new scheme with an only one (bootable) partition?
You can't do that, at least not from the Mini, while you're runing from it.
You can, however, remove and/or resize partitions in most cases. See #4 in Using Disk Utility.

Deleted Recovery Partition and It no longer shows up on reboot! HELP!

Accidently deleted Recovery Partition and it no longer shows up on reboot! HELP! I'm trying to install windows on my mac so i do some CAD, but i don't want to proceed without getting the Recovery Partition back.

If you deleted the Recovery volume, the only way to create your Recovery HD again is by reinstalling OS X. If your Mac came with the OS X version you have, start in Internet Recovery (holding Command, Option and R keys) and reinstall OS X

Missing Recovery Partition and Unrecognized File Systems

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