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Re: Preseed: Expert recipe with LVM in partman-auto fails to format disk

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As a follow-up, the following recipe (a truncated version of the 
original in OP) results in a wrong partitioning:

d-i partman-auto/expert_recipe string \
   large-varlibdocker :: \
     512 512 512 ext4 $primary{ } label{ boot } method{ format } format{ } use_filesystem{ } filesystem{ ext4 } mountpoint{ /boot } . \
     2048 2048 2048 linux-swap $lvm_ok{ } method{ swap } format{ } in_vg{ vg } . \
     1024 1024 1024 ext4 $lvm_ok{ } method{ format } format{ } use_filesystem{ } filesystem{ ext4 } in_vg{ vg } lv_name{ root } mountpoint{ / } . \
     512 512 512 ext4 $lvm_ok{ } method{ format } format{ } use_filesystem{ } filesystem{ ext4 } in_vg{ vg } lv_name{ tmp } mountpoint{ /tmp } .

Result (maybe looking like a default recipe or something):

root@debian:~# lvs
   LV     VG Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
   root   vg -wi-ao----   6.56g
   swap_1 vg -wi-ao---- 980.00m

If I add one more line, I have the original error (Failed to partition 
the selected disk).

Le 23/01/2021 à 16:20, Antoine Mazeas a écrit :
>
> Hi Nicholas,
>
> (i'm pasting in your queries as I'm not a subscriber and you didn't cc 
> my address in your replies)
>
>     What is the meaning of the $lvmignore keyword on this entry right
>     below? It's the only time it appears here.
>     And it's not present in your 2nd example that does work.
>
> According to 
> https://salsa.debian.org/installer-team/debian-installer/-/blob/master/doc/devel/partman-auto-recipe.txt
>
> $lvmignore{_}
> Used to void a partition definition so that it is ignored in the
> LVM case. That is to say it will be valid in the default case.
>
> Removing it did not affect the outcome...
>
>     This may not be related, but notice also that the primary /boot
>     which fails is an ext4 filesystem. But the example which succeeds,
>     that one filesystem only is ext2, the rest are ext4 like yours.
>
> Thanks for pointing it out; however the "working" recipe also succeeds 
> with ext4 for /boot...
>
> Antoine
>
> Le 22/01/2021 à 23:13, Antoine Mazeas a écrit :
>> Dear Debian Users,
>>
>> For quite some time, I am failing to make partman process a custom 
>> expert recipe during an unattended (preseeded) installation.
>>
>> I am setting up a VM with an 8000 MB disk space (single disk) that I 
>> want to partition using LVM. However, every time the recipe runs, I 
>> end up getting an error from partman which I don't understand:
>>
>> > Failed to partition the selected disk
>>
>> >This happened because the selected recipe does not contain any 
>> partition that can be created on LVM volumes.
>>
>> Here's my full recipe and other partman options
>>
>> # partitions
>> d-i partman/choose_partition select finish
>> d-i partman/confirm boolean true
>> d-i partman/confirm_nooverwrite boolean true
>> d-i partman-auto/method string lvm
>> d-i partman-lvm/device_remove_lvm boolean true
>> d-i partman-lvm/confirm boolean true
>> d-i partman-lvm/confirm_nooverwrite boolean true
>> d-i partman-auto-lvm/new_vg_name string vg
>> d-i partman-md/device_remove_md boolean true
>> d-i partman-partitioning/confirm_write_new_label boolean true
>> d-i partman/default_filesystem string ext4
>> d-i partman-auto/expert_recipe string \
>>   large-varlibdocker :: \
>>     512 512 512 ext4 $primary{ } $lvmignore{ } label{ boot } method{ 
>> format } format{ } use_filesystem{ } filesystem{ ext4 } mountpoint{ 
>> /boot } . \
>>     2048 2048 2048 linux-swap $lvm_ok{ } method{ swap } format{ } 
>> in_vg{ vg } . \
>>     1024 1024 1024 ext4 $lvm_ok{ } method{ format } format{ } 
>> use_filesystem{ } filesystem{ ext4 } in_vg{ vg } lv_name{ root } 
>> mountpoint{ / } . \
>>     512 512 512 ext4 $lvm_ok{ } method{ format } format{ } 
>> use_filesystem{ } filesystem{ ext4 } in_vg{ vg } lv_name{ tmp } 
>> mountpoint{ /tmp } . \
>>     512 512 512 ext4 $lvm_ok{ } method{ format } format{ } 
>> use_filesystem{ } filesystem{ ext4 } in_vg{ vg } lv_name{ varlog } 
>> mountpoint{ /var/log } . \
>>     512 512 512 ext4 $lvm_ok{ } method{ format } format{ } 
>> use_filesystem{ } filesystem{ ext4 } in_vg{ vg } lv_name{ backup } 
>> mountpoint{ /backup } . \
>>     512 513 -1 ext4 $lvm_ok{ } method{ format } format{ } 
>> use_filesystem{ } filesystem{ ext4 } in_vg{ vg } lv_name{ 
>> varlibdocker } mountpoint{ /var/lib/docker } .
>>
>>
>> For sanity's sake, I could get this recipe to work... (inspired from 
>> lists.debian.org/debian-user/2014/12/msg00651.html):
>>
>> d-i partman-auto/expert_recipe string \
>>   lvm-multi :: \
>>     512 512 512 ext2 $primary{ } label{ boot } method{ format } 
>> format{ } use_filesystem{ } filesystem{ ext2 } mountpoint{ /boot } . \
>>     2048 4096 4096 linux-swap $lvmok{ } method{ swap } format{ } . \
>>     1024 20480 20480 ext4  $lvmok{ } method{ format } format{ } 
>> use_filesystem{ } filesystem{ ext4 } mountpoint{ / } . \
>>     1024 20480 20480 ext4  $lvmok{ } method{ format } format{ } 
>> use_filesystem{ } filesystem{ ext4 } mountpoint{ /var } . \
>>     64 64 64 ext4  $lvmok{ } method{ format } format{ } 
>> use_filesystem{ } filesystem{ ext4 } mountpoint{ /home } .
>>
>>
>> But I seem to be unable to modify it any further (like adding a 
>> partition) without triggering the error mentioned above.
>>
>> Any help or pointer appreciated...
>>
>> Antoine
>>
>>

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Thread

Preseed: Expert recipe with LVM in partman-auto fails to format disk Antoine Mazeas <antoine@karthanis.net> - 2021-01-22 23:40 +0100
  Re: Preseed: Expert recipe with LVM in partman-auto fails to format disk Nicholas Geovanis <nickgeovanis@gmail.com> - 2021-01-23 00:50 +0100
    Re: Preseed: Expert recipe with LVM in partman-auto fails to format disk Nicholas Geovanis <nickgeovanis@gmail.com> - 2021-01-23 01:00 +0100
  Re: Preseed: Expert recipe with LVM in partman-auto fails to format  disk Antoine Mazeas <antoine@karthanis.net> - 2021-01-23 16:40 +0100
    Re: Preseed: Expert recipe with LVM in partman-auto fails to format  disk Antoine Mazeas <antoine@karthanis.net> - 2021-01-23 19:40 +0100
      Re: Preseed: Expert recipe with LVM in partman-auto fails to format  disk Antoine Mazeas <antoine@karthanis.net> - 2021-01-27 15:10 +0100

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