rhtyd edited a comment on pull request #4069:
URL: https://github.com/apache/cloudstack/pull/4069#issuecomment-629736332
@weizhouapache cc @shwstppr @davidjumani @wido @GabrielBrascher @PaulAngus
@andrijapanicsb @DaanHoogland @kiwiflyer and others
I found Ubuntu 16.04 has an older qemu-img that does not support that `-F`
option with `qemu-img create` command:
```
qemu-img version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.43), Copyright (c)
2004-2008 Fabrice Bellard
usage: qemu-img command [command options]
QEMU disk image utility
Command syntax:
check [-q] [-f fmt] [--output=ofmt] [-r [leaks | all]] [-T src_cache]
filename
create [-q] [-f fmt] [-o options] filename [size]
```
I checked CentOS7 and that was okay (qemu-img create supports `-F` <backing
file format>).
Let's discuss:
- Either to add code to work around this issue, or
- Deprecate Ubuntu 16.04 as an unsupported/older KVM host platform in 4.15
(I agree on this, given the distribution is old, however, it will EOL in April
2021)
- In release/upgrade notes, ask admin to install a more recent qemu-img (and
any other qemy or libvirt related dependency from bionic/18.04 repos).
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