Die Partitionen habe ich mit cfdisk gemacht
root@archiso ~ # cryptsetup luksOpen /dev/sda2 lvm
Enter passphrase for /dev/sda2:
root@archiso ~ # lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 361.1M 1 loop /run/archiso/sfs/airootfs
sda 8:0 0 232.9G 0 disk
├─sda1 8:1 0 95M 0 part
└─sda2 8:2 0 232.8G 0 part
└─lvm 254:0 0 232.8G 0 crypt
├─main-root 254:1 0 9.7G 0 lvm
├─main-swap 254:2 0 8G 0 lvm
└─main-home 254:3 0 215.1G 0 lvm
sdb 8:16 1 3.8G 0 disk
├─sdb1 8:17 1 870M 0 part /run/archiso/bootmnt
└─sdb2 8:18 1 64M 0 part
und
root@archiso ~ # mount -l
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
sys on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
dev on /dev type devtmpfs (rw,nosuid,relatime,size=1965828k,nr_inodes=491457,mode=755)
run on /run type tmpfs (rw,nosuid,nodev,relatime,mode=755)
/dev/sdb1 on /run/archiso/bootmnt type iso9660 (ro,relatime) [ARCH_201702]
cowspace on /run/archiso/cowspace type tmpfs (rw,relatime,size=262144k,mode=755)
/dev/loop0 on /run/archiso/sfs/airootfs type squashfs (ro,relatime)
airootfs on / type overlay (rw,relatime,lowerdir=/run/archiso/sfs/airootfs,upperdir=/run/archiso/cowspace/persistent_ARCH_201702/x86_64/upperdir,workdir=/run/archiso/cowspace/persistent_ARCH_201702/x86_64/workdir)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)
cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids)
cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct)
cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory)
cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)
cgroup on /sys/fs/cgroup/net_cls type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=34,pgrp=1,timeout=0,minproto=5,maxproto=5,direct)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev)
configfs on /sys/kernel/config type configfs (rw,relatime)
mqueue on /dev/mqueue type mqueue (rw,relatime)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
tmpfs on /etc/pacman.d/gnupg type tmpfs (rw,relatime,mode=755)
tmpfs on /run/user/0 type tmpfs (rw,nosuid,nodev,relatime,size=397336k,mode=700)