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Disks does not see partitions in a loop device

asked 2016-04-08 13:15:50 -0500

Moses gravatar image

I used Parted on a loop device (trying to use another OS on VirtualBox). The Disks utility won't recognise the new partitions. Because of this I can't mount loop devices. I have NO idea why it isn't working. I have reinstalled, so it couldn't be that I simply messed up the OS. Has anybody else had this problem? Do you have any fixes or other programs that might recognise the partition?? Sorry if this is a noob question--i wouldn't know.

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answered 2016-04-09 21:04:18 -0500

jmt gravatar image

At this time the kernel might not have information about the new partitions. This is what I did to make this work on /dev/loop0:

1: kpartx /dev/loop0 creates device files for the partitions on /dev/loop0

2: partprobe /dev/loop0 makes the kernel be aware of the new partitions

After these commands the Disks Utility shows the partitions on the loop device.

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It's working now. Thanks!!

Moses gravatar imageMoses ( 2016-04-11 09:19:26 -0500 )edit

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Asked: 2016-04-08 13:06:27 -0500

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Last updated: Apr 09 '16