BTRFS disk arrangement on new build. Cockpit says home var and root not mounted

[Javier Perez <pepebuho@xxxxxxxxx>]

Hi.

I just finished a new build to replace my current build. After installing cockpit, and checking Storage, i noticed some warnings about the disks. It claims that /root, /home and /var are not mounted. I think they are. I just wonder if I am doing something wrong or weird here and I'd appreciate a second look.

Here is my fdisk

root@pepewin2:~# fdisk -l
Disk /dev/sda: 232.89 GiB, 250059350016 bytes, 488397168 sectors
Disk model: CT250MX500SSD1  
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: BC00B518-F1B2-4E9B-9974-1D9612A26EF6

Device       Start       End   Sectors   Size Type
/dev/sda1     2048   2050047   2048000  1000M EFI System
/dev/sda2  2050048   6244351   4194304     2G Linux extended boot
/dev/sda3  6244352 488396799 482152448 229.9G Linux filesystem


Disk /dev/nvme0n1: 3.64 TiB, 4000787030016 bytes, 7814037168 sectors
Disk model: CT4000P3PSSD8                          
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/zram0: 8 GiB, 8589934592 bytes, 2097152 sectors
Units: sectors of 1 * 4096 = 4096 bytes
Sector size (logical/physical): 4096 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes

Here is my fstab

root@pepewin2:~# cat /etc/fstab

#
# /etc/fstab
# Created by anaconda on Sat Jun  1 00:44:00 2024
#
# Accessible filesystems, by reference, are maintained under '/dev/disk/'.
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info.
#
# After editing this file, run 'systemctl daemon-reload' to update systemd
# units generated from this file.
#
UUID=f487ad1f-706e-48ae-bf48-6250db089806 /                       btrfs   subvol=root,compress=zstd:1 0 0
UUID=bdbee4ec-ad70-4099-bd9b-ae5fade659d7 /boot                   ext4    defaults        1 2
UUID=6685-48C2          /boot/efi               vfat    umask=0077,shortname=winnt 0 2
UUID=14b53d5c-55ac-476b-86eb-d775f3d27a28 /home                   btrfs   subvol=home     0 0
UUID=14b53d5c-55ac-476b-86eb-d775f3d27a28 /var                    btrfs   subvol=var      0 0

Here are my subvols

root@pepewin2:~# btrfs subvol list  /
ID 258 gen 1645 top level 5 path root
root@pepewin2:~# btrfs subvol list  /home
ID 256 gen 15289 top level 5 path home
ID 257 gen 15289 top level 5 path var
root@pepewin2:~# btrfs subvol list  /var
ID 256 gen 15289 top level 5 path home
ID 257 gen 15289 top level 5 path var
root@pepewin2:~# cat /etc/fstab

and here is what mount says...

root@pepewin2:~# mount
/dev/sda3 on / type btrfs (rw,relatime,seclabel,compress=zstd:1,ssd,discard=async,space_cache=v2,subvolid=258,subvol=/root)
devtmpfs on /dev type devtmpfs (rw,nosuid,seclabel,size=4096k,nr_inodes=4066606,mode=755,inode64)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev,seclabel,inode64)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,seclabel,gid=5,mode=620,ptmxmode=000)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime,seclabel)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
cgroup2 on /sys/fs/cgroup type cgroup2 (rw,nosuid,nodev,noexec,relatime,seclabel,nsdelegate,memory_recursiveprot)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime,seclabel)
efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime)
bpf on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700)
configfs on /sys/kernel/config type configfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
tmpfs on /run type tmpfs (rw,nosuid,nodev,seclabel,size=6522228k,nr_inodes=819200,mode=755,inode64)
selinuxfs on /sys/fs/selinux type selinuxfs (rw,nosuid,noexec,relatime)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=37,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=10692)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,nosuid,nodev,relatime,seclabel,pagesize=2M)
mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime,seclabel)
debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime,seclabel)
tracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime,seclabel)
fusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime)
/dev/nvme0n1 on /var type btrfs (rw,relatime,seclabel,ssd,discard=async,space_cache=v2,subvolid=257,subvol=/var)
/dev/nvme0n1 on /home type btrfs (rw,relatime,seclabel,ssd,discard=async,space_cache=v2,subvolid=256,subvol=/home)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,seclabel,nr_inodes=1048576,inode64)
/dev/sda2 on /boot type ext4 (rw,relatime,seclabel)
/dev/sda1 on /boot/efi type vfat (rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=ascii,shortname=winnt,errors=remount-ro)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,nosuid,nodev,noexec,relatime)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,seclabel,size=3261112k,nr_inodes=815278,mode=700,uid=1000,gid=1000,inode64)
portal on /run/user/1000/doc type fuse.portal (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000)

And here is the output of Cockpit

Storage

	ID	Type	Location	Size

nvme0n1 - CT4000P3PSSD8 (2402E88D0974)	btrfs filesystem		4.00 TB
	/	btrfs subvolume	(not mounted)
	home

btrfs subvolume	/home (not mounted)
	var

btrfs subvolume	/var (not mounted)

sda - CT250MX500SSD1 (2249E6914388)	GPT partitions		250 GB
	sda1	vfat filesystem (EFI system partition)	/boot/efi	0.020 / 1.0 GB
	sda2	ext4 filesystem	/boot	0.66 / 2.0 GB
	sda3	btrfs filesystem		247 GB
	/	btrfs subvolume	(not mounted)
	root

btrfs subvolume/ (not mounted)

Is there something am I not doing that I should have done?

Thanks

--

------------------------------
 /\_/\  
 |O O|  pepebuho@xxxxxxxxx
 ~~~~     Javier Perez
 ~~~~          While the night runs
 ~~~~          toward the day...
  m m       Pepebuho watches
                from his high perch.

--
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