[libvirt] [PATCH 2/2] docs: add page about virtlockd setup

Eric Blake eblake at redhat.com
Mon Feb 16 17:46:59 UTC 2015


On 02/16/2015 04:59 AM, Daniel P. Berrange wrote:
> Introduce some basic docs describing the virtlockd setup.
> 
> Signed-off-by: Daniel P. Berrange <berrange at redhat.com>
> ---
>  docs/locking-lockd.html.in | 160 +++++++++++++++++++++++++++++++++++++++++++++
>  docs/locking.html.in       |   2 +-
>  docs/sitemap.html.in       |   4 ++
>  3 files changed, 165 insertions(+), 1 deletion(-)
>  create mode 100644 docs/locking-lockd.html.in

> +    <p>
> +      The virtlockd daemon is a single purpose binary which
> +      focus exclusively on the task of acquiring and holding

s/focus/focuses/

> +      locks on behalf of running virtual machines. It is
> +      designed to offer a low overhead, portable locking
> +      scheme can be used out of the box on virtualization
> +      hosts with minimal configuration overheads. It makes
> +      use of the POSIX fcntl advisory locking capability
> +      to hold locks, which is supported by the majority of
> +      commonly used filesystems

s/$/./

> +    </p>
> +
> +    <h2><a name="sanlock">virtlockd daemon setup</a></h2>
> +
> +    <p>
> +      In most OS, the virtlockd daemon itself will not require
> +      any upfront configuration work. It is installed by default
> +      when libvirtd is present, and a systemd socket unit is
> +      registered such that the daemon will be automatically
> +      started when first required. With OS that predate systemd
> +      though, it will be neccessary to start it at boot time,

s/neccessary/necessary/


> +    <p>
> +      The default behaviour of the lockd plugin is to acquire locks
> +      directly on the virtual disk images associated with the guest
> +      <disk> elements. This ensures it can run out of the box
> +      with not configuration, providing locking for disk images on

s/not/no/

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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