FWIW, I do not experience this problem for my root partition which is also multiple device btrfs. It seems only external media (not listed in fstab) are affected.
** Summary changed: - btrfs RAID on USB drives mounted multiple times + multi-device btrfs on external media are automatically mounted multiple times (once per device) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to udisks2 in Ubuntu. https://bugs.launchpad.net/bugs/1550831 Title: multi-device btrfs on external media are automatically mounted multiple times (once per device) Status in udisks2 package in Ubuntu: Confirmed Bug description: I have a btrfs RAID5 on 9 external USB3 drives. When I started the 16.04 beta1 Lubuntu live CD, the btrfs volume (named Backup) was mounted 8 times: /var/log/syslog:Feb 28 00:45:51 lubuntu udisksd[2620]: Mounted /dev/sdk1 at /media/lubuntu/Backup on behalf of uid 999 /var/log/syslog:Feb 28 00:45:51 lubuntu udisksd[2620]: Mounted /dev/sdj1 at /media/lubuntu/Backup1 on behalf of uid 999 /var/log/syslog:Feb 28 00:45:51 lubuntu udisksd[2620]: Mounted /dev/sdi1 at /media/lubuntu/Backup2 on behalf of uid 999 /var/log/syslog:Feb 28 00:45:51 lubuntu udisksd[2620]: Mounted /dev/sdh1 at /media/lubuntu/Backup3 on behalf of uid 999 /var/log/syslog:Feb 28 00:45:51 lubuntu udisksd[2620]: Mounted /dev/sdf1 at /media/lubuntu/Backup4 on behalf of uid 999 /var/log/syslog:Feb 28 00:45:51 lubuntu udisksd[2620]: Mounted /dev/sde1 at /media/lubuntu/Backup5 on behalf of uid 999 /var/log/syslog:Feb 28 00:45:51 lubuntu udisksd[2620]: Mounted /dev/sdc1 at /media/lubuntu/Backup6 on behalf of uid 999 /var/log/syslog:Feb 28 00:45:51 lubuntu udisksd[2620]: Mounted /dev/sdb1 at /media/lubuntu/Backup7 on behalf of uid 999 ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: initramfs-tools 0.122ubuntu3 [modified: usr/sbin/update-initramfs] ProcVersionSignature: Ubuntu 4.4.0-7.22-generic 4.4.2 Uname: Linux 4.4.0-7-generic x86_64 ApportVersion: 2.20-0ubuntu3 Architecture: amd64 CasperVersion: 1.367 CurrentDesktop: LXDE Date: Sun Feb 28 01:02:46 2016 LiveMediaBuild: Lubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160224) PackageArchitecture: all ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: initramfs-tools UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/udisks2/+bug/1550831/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
