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How to mount UUID under linux name /dev/sdx/

rated 0 times [ 0] [ 0] / answers: 1 / hits: 1698 / 2 Years ago, wed, november 16, 2022, 4:57:34

On my workstation after boot, sometimes the name for my same harddisk in linux changes from /dev/sdg/ to /dev/sdi/

How can I make this fixed, that the UUID is mounted exactly with the name /dev/sda for example?

The problem comes from making a virtual machine from a raw file:

VBoxManage internalcommands createrawvmdk -filename ~/.VirtualBox/win7.vmdk -rawdisk /dev/sdg -partitions 2,3 -mbr ~/.VirtualBox/FAKE.mbr -relative

If now the name /dev/sdg changes to /dev/sdi my virtual machine has troubles to start...

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tusmuumu

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1 Year ago

answered 2 Years ago kroapathe · Accepted Answer

The answer is to use a udev rule:

KERNEL=="sd[a-z][0-9]", SUBSYSTEM=="block", SUBSYSTEMS=="scsi", ATTRS{model}=="Crucial_CT480M50", SYMLINK+="bootdevice%n"

KERNEL=="sd?", SUBSYSTEM=="block", SUBSYSTEMS=="scsi", ATTRS{model}=="Crucial_CT480M50", SYMLINK+="bootdevice"

in a file /etc/udev/rules.d/mybootdevice.rules

(how to adapt the attributes to fit your devive look here : here)

Then restart udev:

sudo udevadm trigger

Then there will be a /dev/bootdevice

which is persistent after every boot!