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zar Marco
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PostPosted: Fri Oct 06, 2017 2:53 pm    Post subject: [Solved]Problem post clonig root partition Reply with quote

HI all, I've cloned my gentoo from sdb2 to sdb1, I've changed boot flags, I've lauched grub-mkconfig but gentoo start always from sdb2. I noticed that sdb1 and sdb2 have the same UUID
Code:
┌─[root@hptoo] - [/home/martoo] - [2017-10-06 11:36:30]
└─[0] <> blkid
/dev/sdb2: UUID="254cbe70-ff7d-47e4-9a6a-e6a771ba66eb" TYPE="ext4" PARTUUID="565613c9-02"
/dev/sda1: LABEL="SYSTEM" UUID="D224-521F" TYPE="vfat" PARTLABEL="EFI system partition" PARTUUID="06a19107-706c-4700-8087-1d6a2a5334ff"
/dev/sda6: UUID="1d596c35-2e8d-4796-9a19-83770e497450" TYPE="swap" PARTUUID="69cc3fed-50ec-4be0-a39e-fc7971ce0ef3"
/dev/sda7: UUID="5849d6b6-3410-41d1-a1ec-a3cb9f78a9e8" TYPE="ext4" PARTUUID="aa40d595-9255-4085-b481-7071fe3cb20e"
/dev/sdb1: UUID="254cbe70-ff7d-47e4-9a6a-e6a771ba66eb" TYPE="ext4" PARTUUID="565613c9-01"


then I've modified fstab with /dev/sd* instead that UUID

This is my grub.cfg
Code:


(chroot) root@hptoo $ cat /boot/grub/grub.cfg
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
  load_env
fi
if [ "${next_entry}" ] ; then
   set default="${next_entry}"
   set next_entry=
   save_env next_entry
   set boot_once=true
else
   set default="0"
fi

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$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1  254cbe70-ff7d-47e4-9a6a-e6a771ba66eb
else
  search --no-floppy --fs-uuid --set=root 254cbe70-ff7d-47e4-9a6a-e6a771ba66eb
fi
    font="/usr/share/grub/unicode.pf2"
fi

if loadfont $font ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  set locale_dir=$prefix/locale
  set lang=it_IT
  insmod gettext
fi
terminal_output gfxterm
if [ x$feature_timeout_style = xy ] ; then
  set timeout_style=menu
  set timeout=5
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
  set timeout=5
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 $menuentry_id_option 'gnulinux-simple-254cbe70-ff7d-47e4-9a6a-e6a771ba66eb' {
   load_video
   if [ "x$grub_platform" = xefi ]; then
      set gfxpayload=keep
   fi
   insmod gzio
   insmod part_msdos
   insmod ext2
   set root='hd1,msdos1'
   if [ x$feature_platform_search_hint = xy ]; then
     search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1  254cbe70-ff7d-47e4-9a6a-e6a771ba66eb
   else
     search --no-floppy --fs-uuid --set=root 254cbe70-ff7d-47e4-9a6a-e6a771ba66eb
   fi
   echo   'Loading Linux x86_64-4.12.12-gentoo ...'
   linux   /boot/kernel-genkernel-x86_64-4.12.12-gentoo root=UUID=254cbe70-ff7d-47e4-9a6a-e6a771ba66eb ro 
   echo   'Loading initial ramdisk ...'
   initrd   /boot/initramfs-genkernel-x86_64-4.12.12-gentoo
}
submenu 'Advanced options for Gentoo GNU/Linux' $menuentry_id_option 'gnulinux-advanced-254cbe70-ff7d-47e4-9a6a-e6a771ba66eb' {
   menuentry 'Gentoo GNU/Linux, with Linux x86_64-4.12.12-gentoo' --class gentoo --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-x86_64-4.12.12-gentoo-advanced-254cbe70-ff7d-47e4-9a6a-e6a771ba66eb' {
      load_video
      if [ "x$grub_platform" = xefi ]; then
         set gfxpayload=keep
      fi
      insmod gzio
      insmod part_msdos
      insmod ext2
      set root='hd1,msdos1'
      if [ x$feature_platform_search_hint = xy ]; then
        search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1  254cbe70-ff7d-47e4-9a6a-e6a771ba66eb
      else
        search --no-floppy --fs-uuid --set=root 254cbe70-ff7d-47e4-9a6a-e6a771ba66eb
      fi
      echo   'Loading Linux x86_64-4.12.12-gentoo ...'
      linux   /boot/kernel-genkernel-x86_64-4.12.12-gentoo root=UUID=254cbe70-ff7d-47e4-9a6a-e6a771ba66eb ro 
      echo   'Loading initial ramdisk ...'
      initrd   /boot/initramfs-genkernel-x86_64-4.12.12-gentoo
   }
   menuentry 'Gentoo GNU/Linux, with Linux x86_64-4.12.12-gentoo (recovery mode)' --class gentoo --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-x86_64-4.12.12-gentoo-recovery-254cbe70-ff7d-47e4-9a6a-e6a771ba66eb' {
      load_video
      if [ "x$grub_platform" = xefi ]; then
         set gfxpayload=keep
      fi
      insmod gzio
      insmod part_msdos
      insmod ext2
      set root='hd1,msdos1'
      if [ x$feature_platform_search_hint = xy ]; then
        search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1  254cbe70-ff7d-47e4-9a6a-e6a771ba66eb
      else
        search --no-floppy --fs-uuid --set=root 254cbe70-ff7d-47e4-9a6a-e6a771ba66eb
      fi
      echo   'Loading Linux x86_64-4.12.12-gentoo ...'
      linux   /boot/kernel-genkernel-x86_64-4.12.12-gentoo root=UUID=254cbe70-ff7d-47e4-9a6a-e6a771ba66eb ro single
      echo   'Loading initial ramdisk ...'
      initrd   /boot/initramfs-genkernel-x86_64-4.12.12-gentoo
   }
   menuentry 'Gentoo GNU/Linux, with Linux x86_64-4.12.5-gentoo' --class gentoo --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-x86_64-4.12.5-gentoo-advanced-254cbe70-ff7d-47e4-9a6a-e6a771ba66eb' {
      load_video
      if [ "x$grub_platform" = xefi ]; then
         set gfxpayload=keep
      fi
      insmod gzio
      insmod part_msdos
      insmod ext2
      set root='hd1,msdos1'
      if [ x$feature_platform_search_hint = xy ]; then
        search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1  254cbe70-ff7d-47e4-9a6a-e6a771ba66eb
      else
        search --no-floppy --fs-uuid --set=root 254cbe70-ff7d-47e4-9a6a-e6a771ba66eb
      fi
      echo   'Loading Linux x86_64-4.12.5-gentoo ...'
      linux   /boot/kernel-genkernel-x86_64-4.12.5-gentoo root=UUID=254cbe70-ff7d-47e4-9a6a-e6a771ba66eb ro 
      echo   'Loading initial ramdisk ...'
      initrd   /boot/initramfs-genkernel-x86_64-4.12.5-gentoo
   }
   menuentry 'Gentoo GNU/Linux, with Linux x86_64-4.12.5-gentoo (recovery mode)' --class gentoo --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-x86_64-4.12.5-gentoo-recovery-254cbe70-ff7d-47e4-9a6a-e6a771ba66eb' {
      load_video
      if [ "x$grub_platform" = xefi ]; then
         set gfxpayload=keep
      fi
      insmod gzio
      insmod part_msdos
      insmod ext2
      set root='hd1,msdos1'
      if [ x$feature_platform_search_hint = xy ]; then
        search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1  254cbe70-ff7d-47e4-9a6a-e6a771ba66eb
      else
        search --no-floppy --fs-uuid --set=root 254cbe70-ff7d-47e4-9a6a-e6a771ba66eb
      fi
      echo   'Loading Linux x86_64-4.12.5-gentoo ...'
      linux   /boot/kernel-genkernel-x86_64-4.12.5-gentoo root=UUID=254cbe70-ff7d-47e4-9a6a-e6a771ba66eb ro single
      echo   'Loading initial ramdisk ...'
      initrd   /boot/initramfs-genkernel-x86_64-4.12.5-gentoo
   }
}

### 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 ###


This is my partition table
Code:
Disk /dev/sda: 931,5 GiB, 1000204886016 bytes, 1953525168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 14832E2C-71A4-47A1-B244-9F757880B7BA

Device          Start        End   Sectors   Size Type
/dev/sda1        2048     739327    737280   360M EFI System
/dev/sda2      739328    1001471    262144   128M Microsoft reserved
/dev/sda3     1001472  489213951 488212480 232,8G Microsoft basic data
/dev/sda4  1922813952 1924820991   2007040   980M Windows recovery environment
/dev/sda5  1924820992 1953523711  28702720  13,7G Microsoft basic data
/dev/sda6   489213952  505620479  16406528   7,8G Linux swap
/dev/sda7   505620480 1217050623 711430144 339,2G Linux filesystem
/dev/sda8  1217050624 1217460223    409600   200M EFI System
/dev/sda9  1217460224 1915402231 697942008 332,8G FreeBSD UFS
/dev/sda10 1915402232 1922813951   7411720   3,5G FreeBSD swap

Partition table entries are not in disk order.


Disk /dev/sdb: 223,6 GiB, 240057409536 bytes, 468862128 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x565613c9

Device     Boot     Start       End   Sectors   Size Id Type
/dev/sdb1  *         2048 207871999 207869952  99,1G 83 Linux
/dev/sdb2       251660288 468860927 217200640 103,6G 83 Linux


Last edited by zar Marco on Mon Oct 09, 2017 9:12 am; edited 1 time in total
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Jaglover
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PostPosted: Fri Oct 06, 2017 5:49 pm    Post subject: Reply with quote

What's the idea having two ESP partitions? I don't think the firmware can handle that.
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zar Marco
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PostPosted: Fri Oct 06, 2017 6:48 pm    Post subject: Reply with quote

Hi, sda8 is a partition created by freebsd installer. But the system works, I don't think this is the problem, or am I wrong?
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PostPosted: Fri Oct 06, 2017 7:00 pm    Post subject: Reply with quote

https://bbs.archlinux.org/viewtopic.php?id=215541 provides info on changing PARTUUID and UUID
Having two partitions with the same PARTUUID and PARTLABEL which each contain filesystems with the same UUID is not a good idea.
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zar Marco
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PostPosted: Fri Oct 06, 2017 7:51 pm    Post subject: Reply with quote

Ok thanks, I've change fstab from UUID to /dev/sd*, is it OK or I do others change?
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PostPosted: Fri Oct 06, 2017 8:18 pm    Post subject: Reply with quote

Still recommend making new UUID for filesystem and PARTUUID for filesystem/partition /dev/sdb1 or /dev/sdb2. grub does not much care about fstab.
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zar Marco
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PostPosted: Fri Oct 06, 2017 8:49 pm    Post subject: Reply with quote

Thanks, Then I do new PARTUUID and I relunch grub-mkconfig?
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PostPosted: Fri Oct 06, 2017 9:19 pm    Post subject: Reply with quote

I would create both a new UUID and a new PARTUUID and then update/edit grub.cfg
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zar Marco
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PostPosted: Fri Oct 06, 2017 9:31 pm    Post subject: Reply with quote

Thanks, Monday I'm trying
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zar Marco
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PostPosted: Mon Oct 09, 2017 9:12 am    Post subject: Reply with quote

Thanks, I've solved with change UUID on sdb1 and relaunch grub-mkconfig :D
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