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@xxxxxxxxxx> > --- > 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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