free -m
             total       used       free     shared    buffers     cached
Mem:          7983       7619        364          0         28        831
-/+ buffers/cache:       6760       1223
Swap:            0          0          0

[ebuild   R    ] sys-kernel/geek-sources-3.8.10:3.8.10::init6  USE="aufs bfq genpatches symlink uksm zfs -branding -build -ck -debian -deblob -fedora -grsecurity -ice -lqx -mageia -pax -pf -reiser4 -rt -suse -zen" 0 kB

# gdisk -l /dev/sdb
GPT fdisk (gdisk) version 0.8.6

Partition table scan:
  MBR: protective
  BSD: not present
  APM: not present
  GPT: present

Found valid GPT with protective MBR; using GPT.
Disk /dev/sdb: 1953525168 sectors, 931.5 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): DBF226A2-846C-4283-BCB5-6FD01DC64164
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 1953525134
Partitions will be aligned on 2048-sector boundaries
Total free space is 2014 sectors (1007.0 KiB)

Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048         1026047   500.0 MiB   8300  Linux filesystem
   2         1026048         1091583   32.0 MiB    EF02  BIOS boot partition
   3         1091584         2115583   500.0 MiB   8300  Linux filesystem
   4         2115584        65030143   30.0 GiB    8300  Linux filesystem
   5        65030144      1953525134   900.5 GiB   0700  Solaris root

# zpool create -f -o ashift=12 -o cachefile= -O compression=on -m none -R /mnt/gentoo rpool /dev/sdb5
# zfs set dedup=off rpool
# zfs set atime=off rpool
# zfs set xattr=off rpool
# zfs set compression=lz4 rpool

# zfs create -o mountpoint=/                      -o compression=off rpool/ROOT
# zfs create -o mountpoint=/usr                   -o compression=off rpool/ROOT/usr
# zfs create -o mountpoint=/usr/portage           -o compression=on  rpool/ROOT/portage
# zfs create -o mountpoint=/usr/portage/distfiles -o compression=off rpool/ROOT/distfiles
# zfs create -o mountpoint=/usr/src               -o compression=on  rpool/ROOT/src
# zfs create -o mountpoint=/var                   -o compression=on  rpool/ROOT/var
# zfs create -o mountpoint=/var/lib/layman        -o compression=on  rpool/ROOT/layman
# zfs create -o mountpoint=/home                  -o compression=on  rpool/HOME

# mount -v /dev/sdb3  /mnt/gentoo/boot

# zpool list
NAME    SIZE  ALLOC   FREE    CAP  DEDUP  HEALTH  ALTROOT
rpool   896G  46,4G   850G     5%  1.00x  ONLINE  /mnt/gentoo
# zpool status
  pool: rpool
 state: ONLINE
  scan: none requested
config:

    NAME        STATE     READ WRITE CKSUM
    rpool       ONLINE       0     0     0
      sdb5      ONLINE       0     0     0

errors: No known data errors
# zfs list
NAME                   USED  AVAIL  REFER  MOUNTPOINT
rpool                 46,4G   836G   136K  none
rpool/HOME            38,4G   836G  38,4G  /mnt/gentoo/home
rpool/ROOT            8,02G   836G  99,8M  /mnt/gentoo
rpool/ROOT/distfiles  2,34G   836G  2,34G  /mnt/gentoo/usr/portage/distfiles
rpool/ROOT/layman      255M   836G   255M  /mnt/gentoo/var/lib/layman
rpool/ROOT/portage     838M   836G   838M  /mnt/gentoo/usr/portage
rpool/ROOT/src         486M   836G   486M  /mnt/gentoo/usr/src
rpool/ROOT/usr        3,80G   836G  3,80G  /mnt/gentoo/usr
rpool/ROOT/var         240M   836G   240M  /mnt/gentoo/var
# zpool export -f rpool
# reboot

GRUB_CMDLINE_LINUX_DEFAULT="dozfs=force"

# grub2-mkconfig -o /boot/grub2/grub.cfg

# cat /boot/grub2/grub.cfg
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub2-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
  load_env
fi
set default="0"

if [ x"${feature_menuentry_id}" = xy ]; then
  menuentry_id_option="--id"
else
  menuentry_id_option=""
fi

export menuentry_id_option

if [ "${prev_saved_entry}" ]; then
  set saved_entry="${prev_saved_entry}"
  save_env saved_entry
  set prev_saved_entry=
  save_env prev_saved_entry
  set boot_once=true
fi

function savedefault {
  if [ -z "${boot_once}" ]; then
    saved_entry="${chosen}"
    save_env saved_entry
  fi
}

function load_video {
  if [ x$feature_all_video_module = xy ]; then
    insmod all_video
  else
    insmod efi_gop
    insmod efi_uga
    insmod ieee1275_fb
    insmod vbe
    insmod vga
    insmod video_bochs
    insmod video_cirrus
  fi
}

if [ x$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_gpt
insmod zfs
set root='hd1,gpt5'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root --hint-bios=hd1,gpt5 --hint-efi=hd1,gpt5 --hint-baremetal=ahci1,gpt5  04375699b6712308
else
  search --no-floppy --fs-uuid --set=root 04375699b6712308
fi
    font="/ROOT/usr@//share/grub/unicode.pf2"
fi

if loadfont $font ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  set locale_dir=$prefix/locale
  set lang=ru_RU
  insmod gettext
fi
terminal_output gfxterm
if sleep --interruptible 0 ; then
  set timeout=10
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/10_linux ###
menuentry 'Gentoo GNU/Linux' --class gentoo --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-04375699b6712308' {
    load_video
    set gfxpayload=keep
    insmod gzio
    insmod part_gpt
    insmod ext2
    set root='hd1,gpt3'
    if [ x$feature_platform_search_hint = xy ]; then
      search --no-floppy --fs-uuid --set=root --hint-bios=hd1,gpt3 --hint-efi=hd1,gpt3 --hint-baremetal=ahci1,gpt3  42a6dff3-92b9-4971-83fa-73928787f87b
    else
      search --no-floppy --fs-uuid --set=root 42a6dff3-92b9-4971-83fa-73928787f87b
    fi
    echo    'Загружается Linux x86_64-3.9.0-geek …'
    linux    /kernel-genkernel-x86_64-3.9.0-geek root=ZFS=rpool/ROOT ro  dozfs=force
    echo    'Загружается начальный виртуальный диск …'
    initrd    /initramfs-genkernel-x86_64-3.9.0-geek
}
submenu 'Дополнительные параметры для Gentoo GNU/Linux' $menuentry_id_option 'gnulinux-advanced-04375699b6712308' {
    menuentry 'Gentoo GNU/Linux, с Linux x86_64-3.9.0-geek' --class gentoo --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-x86_64-3.9.0-geek-advanced-04375699b6712308' {
        load_video
        set gfxpayload=keep
        insmod gzio
        insmod part_gpt
        insmod ext2
        set root='hd1,gpt3'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd1,gpt3 --hint-efi=hd1,gpt3 --hint-baremetal=ahci1,gpt3  42a6dff3-92b9-4971-83fa-73928787f87b
        else
          search --no-floppy --fs-uuid --set=root 42a6dff3-92b9-4971-83fa-73928787f87b
        fi
        echo    'Загружается Linux x86_64-3.9.0-geek …'
        linux    /kernel-genkernel-x86_64-3.9.0-geek root=ZFS=rpool/ROOT ro  dozfs=force
        echo    'Загружается начальный виртуальный диск …'
        initrd    /initramfs-genkernel-x86_64-3.9.0-geek
    }
    menuentry 'Gentoo GNU/Linux, с Linux x86_64-3.9.0-geek (режим восстановления)' --class gentoo --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-x86_64-3.9.0-geek-recovery-04375699b6712308' {
        load_video
        set gfxpayload=keep
        insmod gzio
        insmod part_gpt
        insmod ext2
        set root='hd1,gpt3'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd1,gpt3 --hint-efi=hd1,gpt3 --hint-baremetal=ahci1,gpt3  42a6dff3-92b9-4971-83fa-73928787f87b
        else
          search --no-floppy --fs-uuid --set=root 42a6dff3-92b9-4971-83fa-73928787f87b
        fi
        echo    'Загружается Linux x86_64-3.9.0-geek …'
        linux    /kernel-genkernel-x86_64-3.9.0-geek root=ZFS=rpool/ROOT ro single 
        echo    'Загружается начальный виртуальный диск …'
        initrd    /initramfs-genkernel-x86_64-3.9.0-geek
    }
}

### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/20_linux_xen ###

### END /etc/grub.d/20_linux_xen ###

### BEGIN /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###

### BEGIN /etc/grub.d/41_custom ###
if [ -f  ${config_directory}/custom.cfg ]; then
  source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f  $prefix/custom.cfg ]; then
  source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###

# locale
LANG=ru_RU.UTF-8
LC_CTYPE="ru_RU.UTF-8"
LC_NUMERIC="ru_RU.UTF-8"
LC_TIME="ru_RU.UTF-8"
LC_COLLATE="ru_RU.UTF-8"
LC_MONETARY="ru_RU.UTF-8"
LC_MESSAGES="ru_RU.UTF-8"
LC_PAPER="ru_RU.UTF-8"
LC_NAME="ru_RU.UTF-8"
LC_ADDRESS="ru_RU.UTF-8"
LC_TELEPHONE="ru_RU.UTF-8"
LC_MEASUREMENT="ru_RU.UTF-8"
LC_IDENTIFICATION="ru_RU.UTF-8"
LC_ALL=ru_RU.UTF-8
# cat /etc/env.d/02locale
LC_ALL=" "
LANG="ru_RU.UTF-8"
LC_MESSAGES="ru_RU.UTF-8"

# locale -a
C
en_US
en_US.iso88591
en_US.utf8
POSIX
ru_RU
ru_RU.iso88595
ru_RU.koi8r
ru_RU.utf8
russian