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Trouble mounting filesystem on KVM guest after reboot

Just found this out the hard way...

It looks like the attachment of /KVMROOT/guest-dev-app.img on guest-dev did not persist when the KVM host rebooted for patching.

As it appears the virsh attach-disk command works a lot like the mount command.

In order to have a disk attachment persist after a reboot, I think we still need to do a virsh edit.

the virsh attach-disk command is useful because it allows us to attach disk images to guests without restarting.


virsh attach-disk is to mount as
virsh edit is to vim /etc/fstab

© Russell Ballestrini.