Re: Ignore or blacklist a disk from being brought up on boot

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One more thing to add. There is a systemd target in
/etc/systemd/system that mentions the ext4 filesystem on the pin
protected flash drive by uuid

On Mon, Aug 26, 2013 at 6:13 AM, Benjamin Kingston <list@xxxxxxxxxxxxxxx> wrote:
> My commandline is as follows:
> BOOT_IMAGE=/vmlinuz-3.10.9-200.fc19.x86_64
> root=UUID=b5855018-5b09-4cbd-a7fc-0516dd5e7a0a ro
> rd.lvm.vg.uuid=gK6vvj-uE7w-E6i0-nZOr-WtbN-cJbJ-gxd82v rd.dm=0
> rd.luks.uuid=luks-770c95fa-3ce3-4908-a491-8710d679fa68
> rd.md.uuid=613e00b8:220a6e5b:0caa4d15:e981bbb1
> rd.md.uuid=01f167fc:5607540d:b2274dec:482834f2 vconsole.keymap=us
> rd.fips fips=0 intel_iommu=pt rhgb quiet LANG=en_US.utf8
>
> The disk never gets mounted to my knowledge. When booted, autofs
> mounts the disk in /mnt/usb/boot and the /boot folder is a symlink
> that points there. Inside the initramfs this is duplicated (/boot
> symlink to /mnt/usb/boot), which contains the encryption keyfile.
>
> On Sun, Aug 25, 2013 at 11:23 PM, Harald Hoyer <harald@xxxxxxxxxx> wrote:
>> On 08/26/2013 12:58 AM, Benjamin Kingston wrote:
>>> I have my boot partition on a pin protected flash drive and have
>>> embedded the encryption keyfile for my filesystem in my initramfs
>>> image to automate unlocking my computer with just the flash pin. The
>>> issue with this comes when generating the initramfs through dracut,
>>> because the boot disk is mounted and listed in /proc/self/mountinfo
>>> and gets a systemd entry that requires it to be brought online.
>>>
>>> Since the keyfile is embedded in the image in ram the boot disk is not
>>> needed to be brought online, but since the USB is reset, this requires
>>> me to enter the pin on the flash drive a second time, just to unlock
>>> the volume to satisfy systemd.
>>>
>>> is there a way to ignore a particular device when running dracut, or
>>> at least change its timeout and systemd status to not be boot
>>> effecting?
>>
>>
>> What is your kernel cmdline?
>> Where is the disk mounted in the initramfs?
>>
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