On Wed, Mar 2, 2016 at 3:34 PM, Pavol Cupka <pavol.cu...@gmail.com> wrote: > is anything in dmesg that would point to diskscontrollers being reset? > > or something like that? > > pavol
Pavol, Hmm, yes, there are some weird things going on. I am attaching what I see as the relevant bits from /var/log/messages (command: egrep '(sd[cd]|mount)' /var/log/messages) Note, /dev/sdc is disk 1 and /dev/sdd is disk 2 (the two btrfs RAID1 members). Leigh > > On Wed, Mar 2, 2016 at 9:34 PM, Leigh Orf <leigh....@gmail.com> wrote: >> Hello, >> >> Not entirely sure this is a btrfs issue, but here is my problem. I've >> had this issue with recent Fedora and CentOS distros. >> >> I created a btrfs RAID 1 pair with two identical USB external drives, >> following the instructions found online: >> >> mkfs.btrfs -m raid1 -d raid1 /dev/sdc1 /dev/sdd1 >> >> Then I mount it as /ext1: >> >> % df |grep sdc >> /dev/sdc1 9767539112 1280 9765383552 1% /ext1 >> >> The problem? Over time, /dev/sdc1 keeps getting mounted under a >> different mount point, these accrue a couple per day: >> >> % mount|grep sdc >> /dev/sdc1 on /ext1 type btrfs (rw,relatime,space_cache) >> /dev/sdc1 on /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxx38fd1 type >> btrfs (rw,nosuid,nodev,relatime,space_cache) >> /dev/sdc1 on /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxx38fd11 type >> btrfs (rw,nosuid,nodev,relatime,space_cache) >> /dev/sdc1 on /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxx38fd12 type >> btrfs (rw,nosuid,nodev,relatime,space_cache) >> /dev/sdc1 on /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxx38fd13 type >> btrfs (rw,nosuid,nodev,relatime,space_cache) >> /dev/sdc1 on /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxx38fd14 type >> btrfs (rw,nosuid,nodev,relatime,space_cache) >> /dev/sdc1 on /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxx38fd15 type >> btrfs (rw,nosuid,nodev,relatime,space_cache) >> /dev/sdc1 on /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxx38fd16 type >> btrfs (rw,nosuid,nodev,relatime,space_cache) >> /dev/sdc1 on /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxx38fd17 type >> btrfs (rw,nosuid,nodev,relatime,space_cache) >> /dev/sdc1 on /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxx38fd18 type >> btrfs (rw,nosuid,nodev,relatime,space_cache) >> /dev/sdc1 on /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxx38fd19 type >> btrfs (rw,nosuid,nodev,relatime,space_cache) >> >> It's as if the OS keeps "discovering a new disk" and mounting it >> under /run/media (where things like external drives, thumb drives etc. >> automount). >> >> Here is info about my setup (up to date CentOS 7.2): >> >> % cat /etc/system-release >> CentOS Linux release 7.2.1511 (Core) >> % uname -a >> Linux xxx.xxx.xxx.edu 3.10.0-123.20.1.el7.x86_64 #1 SMP Thu Jan 29 >> 18:05:33 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux >> % btrfs --version >> btrfs-progs v3.19.1 >> % btrfs fi show >> Label: none uuid: d9706351-609b-4c6e-9f37-7058bb038fd1 >> Total devices 2 FS bytes used 640.00KiB >> devid 1 size 4.55TiB used 2.03GiB path /dev/sdc1 >> devid 2 size 4.55TiB used 2.01GiB path /dev/sdd1 >> >> btrfs-progs v3.19.1 >> % btrfs fi df /ext1 >> Data, RAID1: total=1.00GiB, used=512.00KiB >> Data, single: total=8.00MiB, used=0.00B >> System, RAID1: total=8.00MiB, used=16.00KiB >> System, single: total=4.00MiB, used=0.00B >> Metadata, RAID1: total=1.00GiB, used=112.00KiB >> Metadata, single: total=8.00MiB, used=0.00B >> >> Periodically I manually unmount these duplicates, but they come back. >> I'd like a solution that doesn't involve disabling automount all >> together. >> >> Thanks for any pointers, and apologies if this issue is unrelated to the >> btrfs project. >> >> Leigh >> >> -- >> Leigh Orf >> Associate Scientist >> Cooperative Institute for Meteorological Satellite Studies >> University of Wisconsin - Madison >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in >> the body of a message to majord...@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
% sudo egrep '(sd[cd]|mount)' /var/log/messages Feb 29 09:02:45 xxx kernel: [577517.900206] btrfs: device fsid xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 devid 2 transid 7 /dev/sdd1 Feb 29 09:02:45 xxx udisksd[13185]: Mounted /dev/sdd1 at /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 on behalf of uid 15321 Feb 29 10:26:29 xxx kernel: [582542.307617] btrfs: device fsid xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 devid 2 transid 7 /dev/sdd1 Feb 29 10:26:29 xxx udisksd[13185]: Mounted /dev/sdd1 at /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd11 on behalf of uid 15321 Feb 29 11:23:40 xxx systemd[1]: Stopping Automounts filesystems on demand... Feb 29 11:23:41 xxx systemd[1]: Starting Automounts filesystems on demand... Feb 29 11:23:41 xxx udisksd[13185]: Cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 (device 8:49 is not mounted) Feb 29 11:23:41 xxx udisksd[13185]: Error cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1: Error removing directory: Device or resource busy Feb 29 11:23:41 xxx udisksd[13185]: Cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd11 (device 8:49 is not mounted) Feb 29 11:23:41 xxx udisksd[13185]: Error cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd11: Error removing directory: Device or resource busy Feb 29 11:23:41 xxx udisksd[13185]: Cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 (device 8:49 is not mounted) Feb 29 11:23:41 xxx udisksd[13185]: Error cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1: Error removing directory: Device or resource busy Feb 29 11:23:41 xxx udisksd[13185]: Cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd11 (device 8:49 is not mounted) Feb 29 11:23:41 xxx udisksd[13185]: Error cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd11: Error removing directory: Device or resource busy Feb 29 11:23:41 xxx systemd[1]: Started Automounts filesystems on demand. Feb 29 13:53:22 xxx kernel: [594955.225259] btrfs: device fsid xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 devid 2 transid 7 /dev/sdd1 Feb 29 13:53:22 xxx udisksd[13185]: Mounted /dev/sdd1 at /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd12 on behalf of uid 15321 Mar 1 09:37:01 xxx kernel: [665974.023184] btrfs: device fsid xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 devid 2 transid 7 /dev/sdd1 Mar 1 09:37:01 xxx udisksd[13185]: Mounted /dev/sdd1 at /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd13 on behalf of uid 15321 Mar 1 13:07:25 xxx kernel: [678598.031373] btrfs: device fsid xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 devid 2 transid 7 /dev/sdd1 Mar 1 13:07:25 xxx udisksd[13185]: Mounted /dev/sdd1 at /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd14 on behalf of uid 15321 Mar 1 13:48:27 xxx kernel: [681060.534997] btrfs: device fsid xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 devid 2 transid 7 /dev/sdd1 Mar 1 13:48:27 xxx udisksd[13185]: Mounted /dev/sdd1 at /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd15 on behalf of uid 15321 Mar 1 16:30:46 xxx kernel: [690799.577066] btrfs: device fsid xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 devid 2 transid 7 /dev/sdd1 Mar 1 16:30:46 xxx udisksd[13185]: Mounted /dev/sdd1 at /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd16 on behalf of uid 15321 Mar 2 09:06:26 xxx kernel: [750539.534651] btrfs: device fsid xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 devid 2 transid 7 /dev/sdd1 Mar 2 09:06:26 xxx udisksd[13185]: Mounted /dev/sdd1 at /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd17 on behalf of uid 15321 Mar 2 10:09:34 xxx udisksd[13185]: Cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 (device 8:49 is not mounted) Mar 2 10:09:34 xxx udisksd[13185]: Error cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1: Error removing directory: Device or resource busy Mar 2 10:09:34 xxx udisksd[13185]: Cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd11 (device 8:49 is not mounted) Mar 2 10:09:34 xxx udisksd[13185]: Error cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd11: Error removing directory: Device or resource busy Mar 2 10:09:34 xxx udisksd[13185]: Cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd12 (device 8:49 is not mounted) Mar 2 10:09:34 xxx udisksd[13185]: Error cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd12: Error removing directory: Device or resource busy Mar 2 10:09:34 xxx udisksd[13185]: Cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd13 (device 8:49 is not mounted) Mar 2 10:09:34 xxx udisksd[13185]: Error cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd13: Error removing directory: Device or resource busy Mar 2 10:09:34 xxx udisksd[13185]: Cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd14 (device 8:49 is not mounted) Mar 2 10:09:34 xxx udisksd[13185]: Error cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd14: Error removing directory: Device or resource busy Mar 2 10:09:34 xxx udisksd[13185]: Cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd15 (device 8:49 is not mounted) Mar 2 10:09:34 xxx udisksd[13185]: Error cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd15: Error removing directory: Device or resource busy Mar 2 10:09:34 xxx udisksd[13185]: Cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd16 (device 8:49 is not mounted) Mar 2 10:09:34 xxx udisksd[13185]: Error cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd16: Error removing directory: Device or resource busy Mar 2 10:09:34 xxx udisksd[13185]: Cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd17 (device 8:49 is not mounted) Mar 2 10:09:34 xxx udisksd[13185]: Error cleaning up mount point /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd17: Error removing directory: Device or resource busy Mar 2 10:10:54 xxx kernel: [754407.268256] Lustre: Unmounted odyssey-client Mar 2 12:34:23 xxx kernel: [763016.059052] btrfs: device fsid xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 devid 2 transid 7 /dev/sdd1 Mar 2 12:34:23 xxx udisksd[13185]: Mounted /dev/sdd1 at /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd18 on behalf of uid 15321 Mar 2 13:41:12 xxx kernel: [767025.189266] btrfs: device fsid xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 devid 2 transid 7 /dev/sdd1 Mar 2 13:41:12 xxx udisksd[13185]: Mounted /dev/sdd1 at /run/media/fred/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd19 on behalf of uid 15321 Mar 2 13:51:40 xxx kernel: [767653.601537] btrfs: device fsid xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 devid 1 transid 8 /dev/sdc1 Mar 2 13:51:40 xxx kernel: [767653.601568] btrfs: device fsid xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 devid 2 transid 8 /dev/sdd1 Mar 2 13:51:46 xxx kernel: [767659.676472] btrfs: device fsid xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 devid 1 transid 8 /dev/sdc1 Mar 2 13:51:46 xxx kernel: [767659.676521] btrfs: device fsid xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxd1 devid 2 transid 8 /dev/sdd1
