Date: Thu, 20 Mar 2014 05:56:33 GMT From: Cory Smelosky <b4@gewt.net> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/187778: Two ZFS filesystems mounted on / at same time Message-ID: <201403200556.s2K5uXXB038327@cgiserv.freebsd.org> Resent-Message-ID: <201403200600.s2K602aJ023504@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
>Number: 187778 >Category: misc >Synopsis: Two ZFS filesystems mounted on / at same time >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Mar 20 06:00:02 UTC 2014 >Closed-Date: >Last-Modified: >Originator: Cory Smelosky >Release: 10.0 >Organization: >Environment: FreeBSD marie 10.0-RELEASE FreeBSD 10.0-RELEASE #0 r260789: Thu Jan 16 22:34:59 UTC 2014 root@snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 >Description: I managed to successfully mount two ZFS filesets at the same mountpoint: / root@marie:~ # zfs mount green/ROOT/default root@marie:~ # df -h Filesystem Size Used Avail Capacity Mounted on marie/ROOT/default 69G 2.7G 67G 4% / devfs 1.0K 1.0K 0B 100% /dev marie/tmp 67G 40K 67G 0% /tmp marie/usr/home 67G 39K 67G 0% /usr/home marie/usr/ports 68G 1.2G 67G 2% /usr/ports marie/usr/src 67G 359M 67G 1% /usr/src marie/var 67G 464M 67G 1% /var marie/var/crash 67G 32K 67G 0% /var/crash marie/var/log 67G 67K 67G 0% /var/log marie/var/mail 67G 31K 67G 0% /var/mail marie/var/tmp 67G 32K 67G 0% /var/tmp Storage 1.3T 168K 1.3T 0% /mnt/Storage Storage/Storage 2.4T 1.2T 1.3T 47% /mnt/Storage/Storage Storage/VirtualBox 50G 34G 16G 67% /mnt/Storage/VirtualBox marie-virt 1.8T 32K 1.8T 0% /marie-virt marie-virt/jails 1.8T 48K 1.8T 0% /marie-virt/jails marie-virt/jails/basejail 1.8T 175M 1.8T 0% /marie-virt/jails/basejail marie-virt/jails/newjail 1.8T 1.8M 1.8T 0% /marie-virt/jails/newjail marie-virt/jails/green 1.8T 135M 1.8T 0% /marie-virt/jails/green procfs 4.0K 4.0K 0B 100% /marie-virt/jails/green/proc /marie-virt/jails/basejail 1.8T 175M 1.8T 0% /marie-virt/jails/green/basejail devfs 1.0K 1.0K 0B 100% /marie-virt/jails/green/dev fdescfs 1.0K 1.0K 0B 100% /marie-virt/jails/green/dev/fd green/ROOT/default 18G 1.0G 17G 6% / root@marie:~ # zfs unmount green/ROOT/default internal error: failed to initialize ZFS library I am aware this is a case of PEBKAC, but this should not be possible. >How-To-Repeat: Use zroot + mount disk image of another zroot at the same time without changing mountpoints. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201403200556.s2K5uXXB038327>