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diskutil

Disks, partitions, volumes, containers

I’ve got two volumes showing in the Finder. So how come diskutil list tells me I’ve got four disks with a total of 12 partitions?

August 1, 2018 Macs, Technology

xattr: com.apple.diskimages.fsck, record of disk image integrity check

Contains binary data on the last integrity check made using fsck on a disk image. Can be deleted to enable some images to be mounted.

February 8, 2018 xattr

A tale of two Disk Utilities: Sierra and High Sierra

You need to format a USB memory stick in standard ExFAT. Do you try Disk Utility in Sierra, or High Sierra, when both are likely to fail?

November 30, 2017 Macs, Technology

Disk Utility: An ever-changing tool

T T Read More

Troubled at times, we have used Disk Utility through thick and thin. Now it has changed to support APFS, with some weird behaviour.

October 9, 2017 Macs, Technology

How to make your own APFS volume

T T Read More

Some detailed guidance to help you make a test volume in Apple’s new APFS format, in either case-insensitive or -sensitive variant.

April 8, 2017 Macs, Technology

How to check and repair your drives in El Capitan

El Capitan has made the checking and repair of storage more complex. Here is a clear explanation of what to do.

February 20, 2016 Macs, Technology

El Capitan and Yosemite: how CoreStorage changes hard drives and their care

If you are running Yosemite or El Capitan, OS X may have changed the way that your boot disk is managed – and how you can maintain and repair it.

December 28, 2015 Macs, Technology

Fusion Drives: the best thing to happen to El Capitan

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Why El Capitan needs an SSD or Fusion Drive, and all about their care and maintenance.

December 27, 2015 Macs, Technology

Cause of Death – how disks become corrupted and crash

Disk errors and crashes may be terminal, rescuable, or fully repairable. Understanding their nature enables you to choose how to tackle them.

May 8, 2015 Macs, Technology

Disk Utility and diskutil

Disk Utility may seem the most mundane of all the utilities, but together with its command shell partners packs a real punch in several important areas.

April 15, 2015 Macs, Technology

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