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lxc-copy isn't operable in '--snapshot' mode + LVM thin provisioning #968

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vbaskoff opened this issue Apr 13, 2016 · 2 comments
Open

lxc-copy isn't operable in '--snapshot' mode + LVM thin provisioning #968

vbaskoff opened this issue Apr 13, 2016 · 2 comments
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Bug Confirmed to be a bug

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@vbaskoff
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ENV: OracleLinux 7.2 + rpm built using .spec from source tarball

sudo lxc-copy --version
2.0.0

Branched from issue #807

lxc-copy fails to copy base container on top of LVM thin provisioned volume.

STR:
0. sudo lxc-create --name=template --bdev=lvm --vgname=lxdata --thinpool=lxpool --fssize=15G --template=./template/lxc-lxsys.sh -- --target-mr=55.0 --storage-url=ftp://md.intra/

  1. sudo lxc-copy --name='template' --newname='config+log' --snapshot -B lvm --logpriority='DEBUG' --logfile='./copy.log'

cat ./copy.log
lxc-copy 20160413141629.413 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/template'->'/var/lib/lxc/template/rootfs' with fstype 'xfs'
lxc-copy 20160413141629.423 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: Invalid argument
lxc-copy 20160413141629.423 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/template'->'/var/lib/lxc/template/rootfs' with fstype 'ext4'
lxc-copy 20160413141629.432 INFO bdev - bdev/bdev.c:find_fstype_cb:918 - mounted '/dev/lxdata/template' on '/var/lib/lxc/template/rootfs', with fstype 'ext4'
lxc-copy 20160413141629.446 INFO bdev - bdev/bdev.c:detect_fs:659 - detected fstype ext4 for /dev/lxdata/template
lxc-copy 20160413141629.603 INFO lxc_container - lxccontainer.c:copy_file:2622 - Error stat'ing /var/lib/lxc/template/lxc_rdepends
lxc-copy 20160413141629.603 INFO lxc_container - lxccontainer.c:copy_rdepends:2781 - Error copying reverse dependencies
lxc-copy 20160413141629.617 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype 'xfs'
lxc-copy 20160413141629.617 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: No such file or directory
lxc-copy 20160413141629.617 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype 'ext4'
lxc-copy 20160413141629.617 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: No such file or directory
lxc-copy 20160413141629.617 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype 'ext3'
lxc-copy 20160413141629.617 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: No such file or directory
lxc-copy 20160413141629.617 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype 'ext2'
lxc-copy 20160413141629.617 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: No such file or directory
lxc-copy 20160413141629.617 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype 'iso9660'
lxc-copy 20160413141629.617 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: Permission denied
lxc-copy 20160413141629.617 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype 'vfat'
lxc-copy 20160413141629.617 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: No such file or directory
lxc-copy 20160413141629.617 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype 'hfs'
lxc-copy 20160413141629.620 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: No such device
lxc-copy 20160413141629.620 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype 'hfsplus'
lxc-copy 20160413141629.623 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: No such device
lxc-copy 20160413141629.623 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype '*'
lxc-copy 20160413141629.626 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: No such device
lxc-copy 20160413141629.626 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype 'xfs'
lxc-copy 20160413141629.626 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: No such file or directory
lxc-copy 20160413141629.626 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype 'ext3'
lxc-copy 20160413141629.626 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: No such file or directory
lxc-copy 20160413141629.626 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype 'ext2'
lxc-copy 20160413141629.626 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: No such file or directory
lxc-copy 20160413141629.626 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype 'ext4'
lxc-copy 20160413141629.626 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: No such file or directory
lxc-copy 20160413141629.626 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype 'iso9660'
lxc-copy 20160413141629.626 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: Permission denied
lxc-copy 20160413141629.626 DEBUG bdev - bdev/bdev.c:find_fstype_cb:902 - trying to mount '/dev/lxdata/config+log'->'/usr/lib64/lxc/rootfs' with fstype 'vfat'
lxc-copy 20160413141629.626 DEBUG bdev - bdev/bdev.c:find_fstype_cb:910 - mount failed with error: No such file or directory
lxc-copy 20160413141629.626 ERROR bdev - bdev/bdev.c:mount_unknown_fs:780 - failed to determine fs type for '/dev/lxdata/config+log'
lxc-copy 20160413141629.732 INFO lxc_container - lxccontainer.c:container_destroy:2379 - Destroyed rootfs for config+log
lxc-copy 20160413141629.732 INFO lxc_container - lxccontainer.c:container_destroy:2395 - Destroyed directory for config+log
@vbaskoff
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I have managed to workaround this via setting 'auto_set_activation_skip = 0' in '/etc/lvm/lvm.conf' (many thanks to @lxnt for hint)
Details in #807

@lxnt lxnt mentioned this issue Apr 14, 2016
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@hallyn
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hallyn commented Apr 18, 2016

Yeah, the thinpool code went into lxc in 2013, near as i can tell the activation_skip code went into lvm in 2014. Lxc should just try to set that (and ignore failure - i.e. older lvm)

@stgraber stgraber added the Bug Confirmed to be a bug label Mar 18, 2020
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@hallyn @stgraber @vbaskoff