For backup, I have 2 usb disk with same label (LABEL=bove-bk) mounted
periodically one by one (not simultaneously!) in the same folder
/mnt/bove-bk/
> [root@s-virt ~]# grep bove-bk /etc/fstab
> LABEL="bove-bk" /mnt/bove-bk xfs defaults,nofail 0 0
With Centos 5/6 this has never given problems, now with c7 when I
unmount and unplug the first disk and I plug and mount the second I get
this message log and the disk is not mounted:
> [root@s-virt ~]# mount -a
> mag 18 10:18:20 s-virt.bove.local kernel: XFS (sdd2): Mounting V4 Filesystem
> mag 18 10:18:21 s-virt.bove.local kernel: XFS (sdd2): Ending clean mount
> [root@s-virt ~]# mag 18 10:18:21 s-virt.bove.local systemd[1]: Unit mnt-bove\x2dbk.mount is bound to inactive unit dev-disk-by\x2dlabel-bove\x2dbk.device. Stopping, too.
> mag 18 10:18:21 s-virt.bove.local systemd[1]: Unmounting /mnt/bove-bk...
> mag 18 10:18:21 s-virt.bove.local kernel: XFS (sdd2): Unmounting Filesystem
> mag 18 10:18:21 s-virt.bove.local systemd[1]: Unmounted /mnt/bove-bk.
In every way that I try to mount the disk (by UUID, into another
folder, using the device, ecc), always systemd Unmount my disk.
After some research I have found that by running these commands:
> [root@s-virt ~]# journalctl -f &
> [root@s-virt ~]# udevadm control --reload
> [root@s-virt ~]# systemctl daemon-reload
> mag 18 10:28:31 s-virt.bove.local polkitd[1035]: Registered Authentication Agent for unix-process:25607:464417949 (system bus name :1.18421 [/usr/bin/pkttyagent --notify-fd 5 --fallback], object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale it_IT.utf8)
> mag 18 10:28:31 s-virt.bove.local systemd[1]: Reloading.
> mag 18 10:28:31 s-virt.bove.local systemd[1]: [/usr/lib/systemd/system/firstboot-graphical.service:14] Support for option SysVStartPriority= has been removed and it is ignored
> mag 18 10:28:31 s-virt.bove.local systemd[1]: Configuration file /usr/lib/systemd/system/auditd.service is marked world-inaccessible. This has no effect as configuration data is accessible via APIs without restrictions. Proceeding anyway.
> mag 18 10:28:31 s-virt.bove.local systemd[1]: Configuration file /usr/lib/systemd/system/wpa_supplicant.service is marked executable. Please remove executable permission bits. Proceeding anyway.
> mag 18 10:28:31 s-virt.bove.local polkitd[1035]: Unregistered Authentication Agent for unix-process:25607:464417949 (system bus name :1.18421, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale it_IT.utf8) (disconnected from bus)
the mount of second disk work property
> [root@s-virt ~]# mount -a
> mag 18 10:28:36 s-virt.bove.local kernel: XFS (sdd2): Mounting V4 Filesystem
> mag 18 10:28:37 s-virt.bove.local kernel: XFS (sdd2): Ending clean
> mount[root@s-virt ~]#
It's possible resolve this annoying issue and restore old c5/6 behavior
to allow a normal user to substitute the disks from graphical console?
Many thanks.
--
Dario Lesca
(inviato dal mio Linux Fedora 23 Workstation)
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