I use a custom dracut module from the2nd, ykluks, so I don't know about how to
modify it to unlock multiple volumes.
Also, I may want to stick with LUKS instead of ecryptfs because yubikey support.
Can you elaborate on the steps for using Btrfs during install of Qubes, the
documentation is still pretty old and doesn't really go over the non standard
options.
Does Qubes 4.0 need LVM for snapshots and backups while vm is running? I
haven't seen anything about why LVM thin provisioning is done on Qubes, or what
I would lose if I went with something else like Btrfs or even Ext4.
Here's what I think my setup will have to be:
nvme0n1 (2 drives in hw RAID 0)
├─nvme0n1p1 part /boot
└─nvme0n1p2 part
└─luks (same key) crypt
├─qubes_dom0-pool00_tmeta lvm
├─qubes_dom0-pool00_tdata lvm
│ └─qubes_dom0-pool00-tpool lvm
│ ├─qubes_dom0-pool00 lvm
│ ├─qubes_dom0-root lvm /
│ └─ ... vm lvm
└─qubes_dom0-swap lvm [SWAP]
sda (2 drives in hw RAID 0)
└─sda1 part
└─luks (same key) crypt
└─qubes_dom0-pool00_tdata lvm
└─qubes_dom0-pool00-tpool lvm
├─qubes_dom0-pool00 lvm
├─qubes_dom0-root lvm /
└─ ... vm lvm
And if I need another drive added (sdb),... I just insert the drive, create
another luks partition, unlock, add to Volume Group (qubes-dom0), lvextend
pool00?
-----------------
What would Btrfs look like?
This?:
nvme0n1 (2 drives in hw RAID 0)
├─nvme0n1p1 part /boot
└─nvme0n1p2 part
└─luks (same key) crypt
├─qubes (btrfs) part /
└─qubes_dom0-swap part [SWAP]
sda (2 drives in hw RAID 0)
└─sda1 part
└─luks (same key) crypt
└─qubes (btrfs) part /
Under Btrfs, does qubes simply have each vm as a image file under the
/var/lib/qubes/appvms/<appvm>/ directory? Do I lose the ability to backup
live, or any other features? How does performance compare to LVM
And to add another drive (sdb), how would I extend with Btrfs?
Thanks Chris.
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