Re: btrfs with multiple subvolumes in one partition
Christoph Pleger <[email protected]>
| Newsgroups | gmane.linux.debian.fai |
|---|---|
| Message-ID | <[email protected]> |
Hello, > > > > > > > when setting up btrfs with setup-storage, is it possible to > configure > > multiple subvolumes in one partition, like I tried to configure > with > > > disk_config btrfs fstabkey:uuid > > btrfs single / disk1.3 subvol=@root > > btrfs single /var disk1.3 subvol=@root/var > > btrfs single /usr disk1.3 subvol=@root/usr > I think this is related to https://bugs.debian.org/964761 > The output of format.log would help for the bug report. I guess that you mean the debug output of setup-storage. I attached that. The log in short: It is a really a race condition; setup-storage tries to create @root/usr before @root exists. And like described in the link, sometimes the order is correct. Regards Christoph
format.log
(text/x-log, 20.4 KB)
disklist: sda
Starting setup-storage 2.3
Using config file: aspects.cfg
Input was:
disk_config disk1 disklabel:gpt bootable:1 fstabkey:uuid
primary /boot/efi 512 vfat umask=0077
primary swap 4096 swap sw
primary - 65536- - -
disk_config btrfs fstabkey:uuid
btrfs single / disk1.3 subvol=@root
btrfs single /var disk1.3 subvol=@root/var
btrfs single /usr disk1.3 subvol=@root/usr
disk_config tmpfs
tmpfs /tmp RAM:25% defaults
(CMD) parted -s /dev/sda unit TiB print 1> /tmp/sH5Y_Bu5i3 2> /tmp/5ZJKpPciQC
Executing: parted -s /dev/sda unit TiB print
(STDOUT) Model: ATA WDC WD2500AAKX-0 (scsi)
(STDOUT) Disk /dev/sda: 0.23TiB
(STDOUT) Sector size (logical/physical): 512B/512B
(STDOUT) Partition Table: gpt
(STDOUT) Disk Flags:
(STDOUT)
(STDOUT) Number Start End Size File system Name Flags
(STDOUT) 1 0.00TiB 0.00TiB 0.00TiB primary boot, esp
(STDOUT) 2 0.00TiB 0.00TiB 0.00TiB primary swap
(STDOUT) 3 0.00TiB 0.23TiB 0.22TiB btrfs primary
(STDOUT)
(CMD) parted -s /dev/sda unit B print free 1> /tmp/JXWHkB6oiD 2> /tmp/HoiKTawqBr
Executing: parted -s /dev/sda unit B print free
(STDOUT) Model: ATA WDC WD2500AAKX-0 (scsi)
(STDOUT) Disk /dev/sda: 250059350016B
(STDOUT) Sector size (logical/physical): 512B/512B
(STDOUT) Partition Table: gpt
(STDOUT) Disk Flags:
(STDOUT)
(STDOUT) Number Start End Size File system Name Flags
(STDOUT) 17408B 1048575B 1031168B Free Space
(STDOUT) 1 1048576B 537919487B 536870912B primary boot, esp
(STDOUT) 2 537919488B 4832886783B 4294967296B primary swap
(STDOUT) 3 4832886784B 250059333119B 245226446336B btrfs primary
(STDOUT)
(CMD) parted -s /dev/sda unit chs print free 1> /tmp/i8RLXYq9HE 2> /tmp/2V0fN3Ia4N
Executing: parted -s /dev/sda unit chs print free
(STDOUT) Model: ATA WDC WD2500AAKX-0 (scsi)
(STDOUT) Disk /dev/sda: 957641,128,1
(STDOUT) Sector size (logical/physical): 512B/512B
(STDOUT) BIOS cylinder,head,sector geometry: 957641,255,2. Each cylinder is 261kB.
(STDOUT) Partition Table: gpt
(STDOUT) Disk Flags:
(STDOUT)
(STDOUT) Number Start End File system Name Flags
(STDOUT) 0,17,0 4,3,1 Free Space
(STDOUT) 1 4,4,0 2060,11,1 primary boot, esp
(STDOUT) 2 2060,12,0 18508,75,1 primary swap
(STDOUT) 3 18508,76,0 957641,112,0 btrfs primary
(STDOUT)
Current disk layout in %current_config
$VAR1 = {
'/dev/sda' => {
'sector_size' => '512',
'end_byte' => '250059350015',
'partitions' => {
'1' => {
'filesystem' => '',
'is_extended' => 0,
'flags' => 'boot,esp',
'end_byte' => '537919487',
'begin_byte' => '1048576',
'count_byte' => '536870912'
},
'2' => {
'count_byte' => '4294967296',
'begin_byte' => '537919488',
'end_byte' => '4832886783',
'flags' => 'swap',
'is_extended' => 0,
'filesystem' => ''
},
'3' => {
'filesystem' => 'btrfs',
'is_extended' => 0,
'flags' => '',
'end_byte' => '250059333119',
'begin_byte' => '4832886784',
'count_byte' => '245226446336'
}
},
'size' => '250059350016',
'disklabel' => 'gpt',
'bios_heads' => '255',
'bios_cylinders' => '957641',
'begin_byte' => 0,
'bios_sectors_per_track' => '2'
}
};
Current LVM layout in %current_lvm_config
$VAR1 = {};
Current RAID layout in %current_raid_config
$VAR1 = {};
Current device tree in %current_dev_children
$VAR1 = {
'/dev/sda' => [
'/dev/sda1',
'/dev/sda2',
'/dev/sda3'
]
};
Desired disk layout in %FAI::configs
$VAR1 = {
'TMPFS' => {
'volumes' => {
'0' => {
'mountpoint' => '/tmp',
'mount_options' => 'defaults',
'size' => '25%',
'encrypt' => 0,
'filesystem' => 'tmpfs',
'device' => 'tmpfs',
'preserve' => 0
}
},
'fstabkey' => 'device'
},
'PHY_/dev/sda' => {
'preserveparts' => 0,
'fstabkey' => 'uuid',
'opts_all' => {},
'virtual' => 0,
'partitions' => {
'3' => {
'start_byte' => 4832886784,
'end_byte' => '250059333119',
'mount_options' => '-',
'mountpoint' => '-',
'size' => {
'eff_size' => '245226446336',
'always_format' => 0,
'preserve' => 0,
'resize' => 0,
'extended' => 0,
'range' => '245226446336-245226446336'
},
'encrypt' => 0,
'filesystem' => '-'
},
'2' => {
'mountpoint' => 'none',
'mount_options' => 'sw',
'size' => {
'always_format' => 0,
'eff_size' => 4294967296,
'range' => '4294967296-4294967296',
'extended' => 0,
'resize' => 0,
'preserve' => 0
},
'encrypt' => 0,
'filesystem' => 'swap',
'end_byte' => 4832886783,
'start_byte' => 537919488
},
'1' => {
'filesystem' => 'vfat',
'encrypt' => 0,
'size' => {
'resize' => 0,
'preserve' => 0,
'extended' => 0,
'range' => '536870912-536870912',
'eff_size' => 536870912,
'always_format' => 0
},
'mountpoint' => '/boot/efi',
'mount_options' => 'umask=0077',
'end_byte' => 537919487,
'start_byte' => 1048576,
'journal_dev' => undef
}
},
'bootable' => '1',
'disklabel' => 'gpt'
},
'BTRFS' => {
'volumes' => {
'1' => {
'devices' => {
'/dev/sda3' => {}
},
'filesystem' => 'btrfs',
'raidlevel' => 'single',
'encrypt' => 0,
'mount_options' => 'subvol=@root/var',
'mountpoint' => '/var'
},
'2' => {
'mount_options' => 'subvol=@root/usr',
'mountpoint' => '/usr',
'raidlevel' => 'single',
'encrypt' => 0,
'filesystem' => 'btrfs',
'devices' => {
'/dev/sda3' => {}
}
},
'0' => {
'devices' => {
'/dev/sda3' => {}
},
'raidlevel' => 'single',
'encrypt' => 0,
'filesystem' => 'btrfs',
'mount_options' => 'subvol=@root',
'mountpoint' => '/'
}
},
'opts_all' => {},
'fstabkey' => 'uuid'
}
};
Desired device tree in %FAI::dev_children
$VAR1 = {
'/dev/sda' => [
'/dev/sda1',
'/dev/sda2',
'/dev/sda3'
]
};
Adding mkfs command for '/dev/sda3'.
Trying to add CMD: true
PRE:
POST: exist_/dev/sda
Trying to add CMD: wipefs -af /dev/sda1
PRE: exist_/dev/sda
POST: wipefs_/dev/sda1
Trying to add CMD: wipefs -af /dev/sda2
PRE: exist_/dev/sda,wipefs_/dev/sda1
POST: wipefs_/dev/sda2
Trying to add CMD: wipefs -af /dev/sda3
PRE: exist_/dev/sda,wipefs_/dev/sda1,wipefs_/dev/sda2
POST: wipefs_/dev/sda3
Trying to add CMD: true
PRE: exist_/dev/sda,wipefs_/dev/sda1,wipefs_/dev/sda2,wipefs_/dev/sda3
POST: cleared1_/dev/sda
Trying to add CMD: parted -s /dev/sda mklabel gpt
PRE: cleared1_/dev/sda
POST: cleared2_/dev/sda
Trying to add CMD: parted -s /dev/sda mkpart primary "fat32" 1048576B 537919487B
PRE: cleared2_/dev/sda
POST: prep2_/dev/sda1
Trying to add CMD: true
PRE: prep2_/dev/sda1
POST: exist_/dev/sda1
Trying to add CMD: parted -s /dev/sda set 1 boot on
PRE: exist_/dev/sda1,cleared2_/dev/sda
POST: flag_boot_/dev/sda1
Trying to add CMD: parted -s /dev/sda mkpart primary "linux-swap" 537919488B 4832886783B
PRE: cleared2_/dev/sda,exist_/dev/sda1
POST: prep2_/dev/sda2
Trying to add CMD: true
PRE: prep2_/dev/sda2
POST: exist_/dev/sda2
Trying to add CMD: parted -s /dev/sda mkpart primary "" 4832886784B 250059333119B
PRE: cleared2_/dev/sda,exist_/dev/sda2
POST: prep2_/dev/sda3
Trying to add CMD: true
PRE: prep2_/dev/sda3
POST: exist_/dev/sda3
Trying to add CMD: parted /dev/sda set 1 boot on
PRE: pt_complete_/dev/sda
POST: gpt_bios_fake_bootable
Trying to add CMD: mkfs.vfat /dev/sda1
PRE: exist_/dev/sda1
POST: has_fs_/dev/sda1
Trying to add CMD: mkswap /dev/sda2
PRE: exist_/dev/sda2
POST: has_fs_/dev/sda2
Trying to add CMD: mkfs.btrfs -d single -f /dev/sda3
PRE: exist_/dev/sda3
POST: btrfs_built_raid_1
Trying to add CMD: mount /dev/sda3 /mnt
PRE: btrfs_built_raid_1
POST: btrfs_mounted_1
Trying to add CMD: btrfs subvolume create /mnt/@root/var
PRE: btrfs_mounted_1
POST: btrfs_created_@root/var
Trying to add CMD: umount /dev/sda3
PRE: btrfs_created_@root/var
POST:
Trying to add CMD: true
PRE: exist_/dev/sda3
POST: btrfs_built_raid_2
Trying to add CMD: mount /dev/sda3 /mnt
PRE: btrfs_built_raid_2
POST: btrfs_mounted_2
Trying to add CMD: btrfs subvolume create /mnt/@root/usr
PRE: btrfs_mounted_2
POST: btrfs_created_@root/usr
Trying to add CMD: umount /dev/sda3
PRE: btrfs_created_@root/usr
POST:
Trying to add CMD: true
PRE: exist_/dev/sda3
POST: btrfs_built_raid_0
Trying to add CMD: mount /dev/sda3 /mnt
PRE: btrfs_built_raid_0
POST: btrfs_mounted_0
Trying to add CMD: btrfs subvolume create /mnt/@root
PRE: btrfs_mounted_0
POST: btrfs_created_@root
Trying to add CMD: umount /dev/sda3
PRE: btrfs_created_@root
POST:
Trying to add CMD: true
PRE: cleared2_/dev/sda,exist_/dev/sda3
POST: pt_complete_/dev/sda
Trying to add CMD: parted /dev/sda set 1 boot on
PRE: pt_complete_/dev/sda
POST: gpt_bios_fake_bootable
1:true
pre:
post: exist_/dev/sda
2:wipefs -af /dev/sda1
pre: exist_/dev/sda
post: wipefs_/dev/sda1
3:wipefs -af /dev/sda2
pre: exist_/dev/sda,wipefs_/dev/sda1
post: wipefs_/dev/sda2
4:wipefs -af /dev/sda3
pre: exist_/dev/sda,wipefs_/dev/sda1,wipefs_/dev/sda2
post: wipefs_/dev/sda3
5:true
pre: exist_/dev/sda,wipefs_/dev/sda1,wipefs_/dev/sda2,wipefs_/dev/sda3
post: cleared1_/dev/sda
6:parted -s /dev/sda mklabel gpt
pre: cleared1_/dev/sda
post: cleared2_/dev/sda
7:parted -s /dev/sda mkpart primary "fat32" 1048576B 537919487B
pre: cleared2_/dev/sda
post: prep2_/dev/sda1
8:true
pre: prep2_/dev/sda1
post: exist_/dev/sda1
9:parted -s /dev/sda set 1 boot on
pre: exist_/dev/sda1,cleared2_/dev/sda
post: flag_boot_/dev/sda1
10:parted -s /dev/sda mkpart primary "linux-swap" 537919488B 4832886783B
pre: cleared2_/dev/sda,exist_/dev/sda1
post: prep2_/dev/sda2
11:true
pre: prep2_/dev/sda2
post: exist_/dev/sda2
12:parted -s /dev/sda mkpart primary "" 4832886784B 250059333119B
pre: cleared2_/dev/sda,exist_/dev/sda2
post: prep2_/dev/sda3
13:true
pre: prep2_/dev/sda3
post: exist_/dev/sda3
15:mkfs.vfat /dev/sda1
pre: exist_/dev/sda1
post: has_fs_/dev/sda1
16:mkswap /dev/sda2
pre: exist_/dev/sda2
post: has_fs_/dev/sda2
17:mkfs.btrfs -d single -f /dev/sda3
pre: exist_/dev/sda3
post: btrfs_built_raid_1
18:mount /dev/sda3 /mnt
pre: btrfs_built_raid_1
post: btrfs_mounted_1
19:btrfs subvolume create /mnt/@root/var
pre: btrfs_mounted_1
post: btrfs_created_@root/var
20:umount /dev/sda3
pre: btrfs_created_@root/var
post:
21:true
pre: exist_/dev/sda3
post: btrfs_built_raid_2
22:mount /dev/sda3 /mnt
pre: btrfs_built_raid_2
post: btrfs_mounted_2
23:btrfs subvolume create /mnt/@root/usr
pre: btrfs_mounted_2
post: btrfs_created_@root/usr
24:umount /dev/sda3
pre: btrfs_created_@root/usr
post:
25:true
pre: exist_/dev/sda3
post: btrfs_built_raid_0
26:mount /dev/sda3 /mnt
pre: btrfs_built_raid_0
post: btrfs_mounted_0
27:btrfs subvolume create /mnt/@root
pre: btrfs_mounted_0
post: btrfs_created_@root
28:umount /dev/sda3
pre: btrfs_created_@root
post:
29:true
pre: cleared2_/dev/sda,exist_/dev/sda3
post: pt_complete_/dev/sda
30:parted /dev/sda set 1 boot on
pre: pt_complete_/dev/sda
post: gpt_bios_fake_bootable
(CMD) wipefs -af /dev/sda1 1> /tmp/NXOZrdVxw3 2> /tmp/Ef9bFTt5td
Executing: wipefs -af /dev/sda1
(CMD) wipefs -af /dev/sda2 1> /tmp/TUEZET6mNm 2> /tmp/izatdMgc4p
Executing: wipefs -af /dev/sda2
(CMD) wipefs -af /dev/sda3 1> /tmp/N3MUUj5wG1 2> /tmp/DBhHJU9QiI
Executing: wipefs -af /dev/sda3
(STDOUT) /dev/sda3: 8 bytes were erased at offset 0x00010040 (btrfs): 5f 42 48 52 66 53 5f 4d
(CMD) parted -s /dev/sda mklabel gpt 1> /tmp/KbhnfVHhcx 2> /tmp/S7MyDf7OcM
Executing: parted -s /dev/sda mklabel gpt
(CMD) parted -s /dev/sda mkpart primary "fat32" 1048576B 537919487B 1> /tmp/DwVNSFjC8t 2> /tmp/wNFXCz0SJU
Executing: parted -s /dev/sda mkpart primary "fat32" 1048576B 537919487B
(CMD) parted -s /dev/sda set 1 boot on 1> /tmp/G9Xc2PgXft 2> /tmp/xGzNb6hK4B
Executing: parted -s /dev/sda set 1 boot on
(CMD) parted -s /dev/sda mkpart primary "linux-swap" 537919488B 4832886783B 1> /tmp/AnaE3n5Kpj 2> /tmp/R1jQc3YLc8
Executing: parted -s /dev/sda mkpart primary "linux-swap" 537919488B 4832886783B
(CMD) parted -s /dev/sda mkpart primary "" 4832886784B 250059333119B 1> /tmp/rwuUgZntAR 2> /tmp/ZnA5pabuyu
Executing: parted -s /dev/sda mkpart primary "" 4832886784B 250059333119B
(CMD) mkfs.vfat /dev/sda1 1> /tmp/wNfm1khWrU 2> /tmp/oZ2CIHLOx3
Executing: mkfs.vfat /dev/sda1
(STDOUT) mkfs.fat 4.2 (2021-01-31)
(CMD) mkswap /dev/sda2 1> /tmp/6zXVYQstO6 2> /tmp/zptos0PMEI
Executing: mkswap /dev/sda2
(STDOUT) Setting up swapspace version 1, size = 4 GiB (4294963200 bytes)
(STDOUT) no label, UUID=12daeab2-7783-4eaa-950b-ef1ff0f0b6e1
(CMD) mkfs.btrfs -d single -f /dev/sda3 1> /tmp/GjYMQiA2Kc 2> /tmp/XkgYPdEK1q
Executing: mkfs.btrfs -d single -f /dev/sda3
(STDOUT) btrfs-progs v5.10.1
(STDOUT) See http://btrfs.wiki.kernel.org for more information.
(STDOUT)
(STDOUT) Label: (null)
(STDOUT) UUID: 27251245-395a-42f6-b73a-25e867180584
(STDOUT) Node size: 16384
(STDOUT) Sector size: 4096
(STDOUT) Filesystem size: 228.38GiB
(STDOUT) Block group profiles:
(STDOUT) Data: single 8.00MiB
(STDOUT) Metadata: DUP 1.00GiB
(STDOUT) System: DUP 8.00MiB
(STDOUT) SSD detected: no
(STDOUT) Incompat features: extref, skinny-metadata
(STDOUT) Runtime features:
(STDOUT) Checksum: crc32c
(STDOUT) Number of devices: 1
(STDOUT) Devices:
(STDOUT) ID SIZE PATH
(STDOUT) 1 228.38GiB /dev/sda3
(STDOUT)
(CMD) mount /dev/sda3 /mnt 1> /tmp/6B7zRE6D3Q 2> /tmp/kaULXSOq9d
Executing: mount /dev/sda3 /mnt
(CMD) btrfs subvolume create /mnt/@root/var 1> /tmp/vW8_UZf_lo 2> /tmp/IMJZt0MYvV
Executing: btrfs subvolume create /mnt/@root/var
(STDERR) ERROR: cannot access '/mnt/@root': No such file or directory
btrfs subvolume create /mnt/@root/var had exit code 1
(STDERR) ERROR: cannot access '/mnt/@root': No such file or directory
Command had non-zero exit code
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