Why all this BTRFS stuff on boot - system is EXT4...

English Install/Boot/Login
1

Hy!

Have a plain vanilla TW-KDE that wastes some time on every boot for btrfs stuff, although the install is only on EXT4 partitions…

sudo journalctl --b 0 | grep btrfs
Jul 03 12:34:57 dell5usb systemd[1]: btrfsmaintenance-refresh.path: Refusing to start, unit btrfsmaintenance-refresh.service to trigger not loaded.
Jul 03 12:34:57 dell5usb systemd[1]: Failed to start Watch /etc/sysconfig/btrfsmaintenance.
Jul 03 12:35:04 dell5usb systemd[1]: Started Balance block groups on a btrfs filesystem.
Jul 03 12:35:04 dell5usb systemd[1]: Started Scrub btrfs filesystem, verify block checksums.
Jul 03 12:35:04 dell5usb systemd[1]: Started Scrub btrfs filesystem, verify block checksums.
Jul 03 12:35:04 dell5usb systemd[1]: Started Balance block groups on a btrfs filesystem.
Jul 03 12:35:05 dell5usb btrfs-scrub.sh[1099]: Running scrub on /
Jul 03 12:35:05 dell5usb btrfs-balance.sh[1100]: Path / is not btrfs, skipping
Jul 03 12:35:05 dell5usb btrfs-scrub.sh[1099]: Path / is not btrfs, skipping
Jul 03 12:35:05 dell5usb systemd[1]: btrfs-scrub.service: Succeeded.
Jul 03 12:35:05 dell5usb systemd[1]: btrfs-balance.service: Succeeded.


sudo lsblk -f
NAME   FSTYPE FSVER LABEL UUID                                 FSAVAIL FSUSE% MOUNTPOINT
sda                                                                           
????sda1 ext4   1.0         1c45fbf6-2bf2-40aa-a3f2-4e4f1f8ea0f3    6.3G    63% /
????sda2 ext4   1.0         c1e8f7c4-ca48-437d-82c9-e167c790df30    3.6G    23% /home
????sda3 swap   1           e91bb70b-bceb-40da-8f1c-f28815bcb270

Had a look in Yast Services, nothing found to be disabled.

Any hints?

2

ooops… sorry

https://forums.opensuse.org/showthread.php/556165-BTRFS-utilities-on-Ext4-file-system

PS: After reading this thread, I’m more confused than before. What’s the recommended way for TW to get rid of BTRFS stuff once and for ever?

3

Configure PERIOD=“none”:

**i3-4130:~ #** grep PERIOD /etc/sysconfig/btrfsmaintenance 
BTRFS_DEFRAG_**PERIOD**="none" 
BTRFS_BALANCE_**PERIOD**="weekly" 
BTRFS_SCRUB_**PERIOD**="monthly" 
BTRFS_TRIM_**PERIOD**="none" 
**i3-4130:~ #**

**i3-4130:~ #** journalctl -b -u btr*                            
-- Journal begins at Sat 2021-06-19 04:37:19 CEST, ends at Sat 2021-07-03 12:17:01 CEST. -- 
Jul 02 23:47:35 i3-4130 systemd[1]: Started Watch /etc/sysconfig/btrfsmaintenance. 
Jul 02 23:47:36 i3-4130 systemd[1]: Started Balance block groups on a btrfs filesystem. 
Jul 02 23:47:36 i3-4130 systemd[1]: Started Scrub btrfs filesystem, verify block checksums. 
**i3-4130:~ #**