On Thursday 10 April 2008 08:07:18 am Andrew Farris wrote:
> I do not have to enter my LUKS passphrase more than once for installations
> with one filesystem. The default partitioning scheme, one LVM with root
> filesystem and swap combined, and one separate /boot, only asks for my
> passphrase once. Forgive the doubt but I'd like to see how your filesystems
> are configured if you're being asked for the the passphrase twice.
>
> I'm asked for it when / is mounted readonly, then it is not asked for when
> root is remounted and it is not asked for when udev starts.
>
> On the other hand, when I have a separate partition for root and for /home,
> both encrypted separately, I'm asked for the passphrase once at readonly
> root mount, then again when udev starts (when /home gets mounted).
df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
228486436 2424584 226061852 2% /
/dev/sda1 194442 20120 164283 11% /boot
tmpfs 1037608 0 1037608 0% /dev/shm
I definitely prefer a separate home, but I've not used LVM before, and I can't
recall what happened when I tried to do that.
Here's what I got from fdisk -l:
Disk /dev/sda: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0001232c
Device Boot Start End Blocks Id System
/dev/sda1 * 1 25 200781 83 Linux
/dev/sda2 26 14593 117017460 8e Linux LVM
Disk /dev/sdb: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x837b837b
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 14593 117218241 8e Linux LVM
Disk /dev/dm-0: 120.0 GB, 120030950400 bytes
255 heads, 63 sectors/track, 14592 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000
Disk /dev/dm-0 doesn't contain a valid partition table
Disk /dev/dm-1: 119.8 GB, 119825350656 bytes
255 heads, 63 sectors/track, 14567 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000
Disk /dev/dm-1 doesn't contain a valid partition table
Disk /dev/dm-2: 237.6 GB, 237699596288 bytes
255 heads, 63 sectors/track, 28898 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000
Disk /dev/dm-2 doesn't contain a valid partition table
Disk /dev/dm-3: 2080 MB, 2080374784 bytes
255 heads, 63 sectors/track, 252 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x30307800
Disk /dev/dm-3 doesn't contain a valid partition table
I don't really know how to read this. Why are there 4 dm-devices?
Anne
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