1
vote
1answer
606 views

How do I erase partitions on a drive that's been protected with FileVault 2?

I want to completely wipe a USB thumb drive, re-partition it, and reformat the partition as ExFAT, not JHFS+. Unfortunately, I used FileVault 2 on it when I made it and that seems to be preventing me ...
0
votes
1answer
117 views

Expanding a partition at the end of a drive to fill the entire drive

I have an external HDD connected to a Lion iMac (though I can use my Mountain Lion Air if it will make the process simpler) that was split right down the middle with two partitions. The first was ...
2
votes
0answers
93 views

Broken FileVault Drive

I'm coming to you having a few issues with my old hard drive. Basically, my MacBook crashed a few days ago. It seems like my disk has some bad sectors and has started a kind of autodestruction ...
1
vote
2answers
488 views

CoreStorage: what does LVG status 'offline' and PV status 'checking' mean and how can it be fixed?

I converted a partition to a CoreStorage volume using this command: sudo diskutil cs convert disk0s2 -passphrase test123 Now when I run `diskutil cs list' the output shows that I still only have a ...
2
votes
1answer
2k views

How can I reformat a drive that contains an encrypted volume?

After OS X 10.7 came out with its disk-encryption features, I encrypted an empty USB thumb drive just for grins. I never used it, and eventually decided to reformat it as a normal drive for use with ...
3
votes
1answer
2k views

How do I erase an encrypted TimeMachine drive on Mountain Lion if I've forgotten the password?

My question is similar to this question. I have a USB drive that contains an old encrypted backup. I don't remember the password and don't care about loosing the backup - I just want to be able to use ...
5
votes
1answer
557 views

Presence of a Linux partition causes FileVault2 setup to fail

I'm currently dual booting Mountain Lion and Ubuntu 12.04 on a rMBP. Everything works fine, but enabling FileVault fails with the error message: "Some information was unavailable during an internal ...
3
votes
1answer
871 views

Is FileVault distinct from Finder's “Encrypt …” command?

I'm confused by the variety of methods for encrypting drives in Mountain Lion. There are at least four methods, FileVault in System Preferences; Finder's "Encrypt..." command; Disk Utility's "Erase" ...
2
votes
1answer
6k views

For a startup volume encrypted with Core Storage, System Preferences show that FileVault is disabled

My iMac has a SSD and a HDD. The OS is installed on the SSD. I performed a clean installation of Mountain Lion to the SSD, and cloned my SSD using a backup from my Time Capsule in OS X Recovery. ...
1
vote
2answers
3k views

Disk Utility Error “Storage system verify or repair failed”

Installed Lion on a brand new HDD. Boots fine, but when I run Disk Utility on the Media, it reports Verifying partition map for “WDC WD10JPVT-16A1YT0 Media” Checking prerequisites Checking the ...
1
vote
1answer
1k views

Why is my boot partition listed as Unmounted in Disk Utility?

I recently experienced a kernel panic ("your mac must restart...") due to an issue with Macfusion, so after the reboot I loaded Disk Utility in an attempt to verify the disk in case something was left ...