On Fri, Sep 1, 2017 at 11:08 AM, Dave Young <dyoung(a)redhat.com> wrote:
On 08/25/17 at 03:34pm, Ziyue Yang wrote:
> When dumping to ssh via local ipv6 address, the ssh parameter
> in kdump.conf is supposed to have the form like
> ssh user@fe80::cc1:8bff:fe90:b95f%eth0
> where "%eth0" is an existing network interface supporting ipv6.
> This commit adds documents about ssh target format in
> kdump.conf and kdump.conf.5.
> Signed-off-by: Ziyue Yang <ziyang(a)redhat.com>
> kdump.conf | 5 ++++-
> kdump.conf.5 | 7 ++++++-
> 2 files changed, 10 insertions(+), 2 deletions(-)
> diff --git a/kdump.conf b/kdump.conf
> index 57af7b6..7f7566d 100644
> --- a/kdump.conf
> +++ b/kdump.conf
> @@ -23,7 +23,10 @@
> # ssh <user@server>
> # - Will scp /proc/vmcore to <user@server>:<path>/%HOST-%
> # supports DNS.
> -# NOTE: make sure the user has write permissions on the
> +# NOTE:
> +# 1) Make sure the user has write permissions on the server.
> +# 2) For link local ipv6 addresses, network interface name
> +# needed, like user@fe80::1%eth0:/var/crash/.
Isn't this standard, do we need explictly say it in documentation?
The ipv6 format in ssh is different from the one in nfs, like
Maybe there is a need? I'm not sure.
> # sshkey <path>
> # - Will use the sshkey to do ssh dump.
> diff --git a/kdump.conf.5 b/kdump.conf.5
> index 11b1fad..720d55f 100644
> --- a/kdump.conf.5
> +++ b/kdump.conf.5
> @@ -42,8 +42,13 @@ mount point.
> .B ssh <user@server>
> Will scp /proc/vmcore to <user@server>:<path>/%HOST-%DATE/,
> -supports DNS. NOTE: make sure user has necessary write permissions on
> +supports DNS.
> +Note 1: make sure user has necessary write permissions on
> server and that a fqdn is used as the server name.
> +Note 2: for link local ipv6 addresses, network interface name is
> +needed in server field, like user@fe80::1%eth0:/var/crash/.
> .B sshkey <path>
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