Issue locking the encrypted root partition on shutdown or reboot.
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To check what I wrote in this article (in French but will soon be translated in English) I made an installation in a VirtualBox VM.
What worries me is that at shutdown or reboot I see this message repeated several times when trying to remount the root file system read-only: Code:
device-mapper: remove ioctl on root failed: Device or resources busy Code:
Device root is still in use My questions are:
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Quote:
If you remove the power line (or kill the VM) at any time during operation, The data on the disk is never left "decrypted" (assuming you use no swap or an encrypted swap). On the other hand, there might be a problem of data integrity/corruption (although with a journaling file system, I wouldn't worry much). HTH Phil |
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