Apple Core Storage (sometimes referred to as coreStorage or CoreStorage) maintains a world of virtual disks that can provide the user with flexibility in allocating their hardware.

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Name-error when formatting NTFS on OS X 10.8.4 using “diskutil” (Terminal)

I have a 2011 Macbook Pro 13 inch - OS X 10.8.4 (Mountain Lion), which i upgraded with a SSD. I installed the original HDD as second drive instead of the optical. I need to change the filesystem for ...
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What's the significance of non-checkpoint transactions in Core Storage?

Often in output from fsck_cs(8) – typically in the window of Disk Utility in Lion and Mountain Lion, whilst verifying or repairing something in Core Storage world: Incorporate 1 newer non-checkpoint ...
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Is there a way to change order of physical disks in Corestorage

I upgraded existing system to a "Fusion drive" - corestorage volume - consisting of existing 300GB HDD and new 120GB SSD. Instead of creating a new corestorage drive I went with the route of ...
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339 views

CoreStorageFamily::unlockVEKs() failed to unwrap the vek, status = e00002bc

I have a filevault2 disk with two partition. One is the boot partition, the other contains data, both are encrypted. Today, after installing the latest 10.8 update (10.8.4 I guess), the computer ...
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What should I do to restore my computer's hard drive to how it was before I partitioned it? (and do I need to?)

For a few months, I used the hard drive on my iMac to do Time Machine backups for my MacBook until I got a Time Capsule. Since Time Machine refused to back up directly to the iMac's HD, I partitioned ...
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Where does a Fusion Drive store Time Machine local backups? Should I disable local backups?

Time Machine in OS X does store local backups (snapshots) on the local harddrive if you have Time Machine enabled. Even if you backup regularly, the size of the local backups increases steadily. In a ...
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Delete a Corrupt CoreStorage Partition

I created a partition on my iMac i7 w/Fusion and Mavericks, and somehow it got corrupted. It is inaccessible (appears blue in disk utility). I need to delete it, but I can't from Disk Utility. Any ...
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Unable to create new partition with Disk Utility on external drive

I'm trying to create space on an external drive to clone my mac as a bootable volume with CCC. With Disk Utility I cannot modify it for some reason (probably because the same disk is used with Time ...
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Is FileVault the same as DiskUtil CoreStorage?

Is encrypting startup volume via diskutil cs convert <VOL> diskuitl cs encryptVolume <LV_UUID> the same thing as going Preferences > Security & Privacy > FileVault > Turn ...