This looks like a typo in lxc_copy.c
static const struct option my_longopts[] = {
{ "newname", required_argument, 0, 'N'},
{ "newpath", required_argument, 0, 'p'},
{ "rename", no_argument, 0, 'R'},
{ "snapshot", no_argument, 0, 's'},
{ "foreground", no_argument, 0, 'F'},
{ "daemon", no_argument, 0, 'd'},
{ "ephemeral", no_argument, 0, 'e'},
{ "mount", required_argument, 0, 'm'},
{ "backingstore", required_argument, 0, 'B'},
Should be "backingstorage" here. Which can be verified with
--backingstore=dir
** Changed in: lxc (Ubuntu)
Assignee: (unassigned) => Po-Hsu Lin (cypressyew)
** Changed in: lxc (Ubuntu)
Status: Confirmed => In Progress
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https://bugs.launchpad.net/bugs/1591510
Title:
lxc-copy: unrecognized option '--backingstorage'
Status in lxc package in Ubuntu:
In Progress
Bug description:
Description: Ubuntu 16.04 LTS
Release: 16.04
lxc:
Installed: 2.0.1-0ubuntu1~16.04.1
linux-image-virtual:
Installed: 4.4.0.24.25
Man ref:
http://manpages.ubuntu.com/manpages/xenial/man1/lxc-copy.1.html
Problem:
The man package references '-B' and '--backingstorage' as aliases of one
another, but when the following command is executed:
lxc-copy --name=cache --newname container1 --backingstorage=dir
# as a test I also tried
lxc-copy --name=cache --newname container1 --backingstorage dir
The result is:
lxc-copy: unrecognized option '--backingstorage'
Expected result:
'--backingstorage' and '-B' should be aliases and both execute correctly
Existing workaround:
#Use '-B' instead.
lxc-copy --name=cache --newname container1 -B dir
Steps to recreate:
apt-get update && apt-get install -y lxc
lxc-create --name=cache --template=download -- --dist ubuntu --release trusty
--arch amd64
lxc-copy --name=cache --newname container1 --backingstorage=dir
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