![]() This is as safe as open brain surgery, but as far as I can tell the hfs.util only writes 8 bytes to one location on disk, 1128 bytes from the start of the partition. The following snippet is constructed by observing the changes hfs.util -s does to the disk header. If it does then this operation will prevent the drive from working in TimeCapsule, and you can't set the UUID manually using hfs.util. I'm not sure if TimeCapsule expects that UUID to be all 0. ![]() This should be enough to get the data volume to show up. System/Library/Filesystems/hfs.fs/Contents/Resources/hfs.util -s disk2s2 System/Library/Filesystems/hfs.fs/Contents/Resources/hfs.util -s disk2s1 You need to attach the TimeCapsule drive to macOS and unmount all partitions (use diskutil list and diskutil info diskXsY to find the disks and ensure the zeroed-out UUIDs, unmount with diskutil umount diskXsY).Īfter that you can assign new UUIDs for the two 1 GB volumes, leaving the main data volume as-is (just in case). macOS comes with a utility to assign a new random unique ID to the volume. You won’t be able to change settings, update the firmware, or restart the AirPort Time Capsule until the disk is erased and becomes available again.This happens because the TimeCapsule disk contains 3 partitions with the same UUID (so much for being Universally Unique) equal to all "0". The AirPort Time Capsule status light flashes amber while the disk is being erased. It writes zeros to the entire disk 35 times, and takes 35 times as long as the Zero Out Data Option. 7-Pass Erase is highly secure, but it takes seven times longer than the Zero Out Data option.ģ5-Pass Erase: 35-Pass Erase provides the most security. This option overwrites the entire disk, so it takes longer than the Quick Erase option.ħ-Pass Erase: This option writes zeros over the entire disk seven times. Zero Out Data provides good data protection in a short amount of time. Zero Out Data: This option writes zeros over all the data on the disk. Data can be recovered, so this choice is the least secure. The data remains on the disk until additional data is written over it. Quick Erase (non-secure): Quick Erase erases directory information from the disk so that the data is no longer accessible. You can choose the following levels of security when erasing the internal disk: You may need to enter a password for the Time Capsule.Ĭlick the Security Method pop-up menu, choose a security level, then click Erase. In the graphical overview, select the Time Capsule you want to erase, then click Edit. Open the AirPort Utility app on your Mac, located in the Utilities folder in the Applications folder. ![]() If you forget your AirPort base station, Time Capsule, or Wi-Fi password.If your base station’s light is flashing.Items that can interfere with a Wi-Fi network.Erase and restore your base station or Time Capsule.Change your base station’s name and password.Change your Wi-Fi network’s name, password, and settings.Download AirPort Utility for iPhone, iPad, or iPod touch.Export and import base station settings.Cables you can connect to your base station.
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