[Linux-cluster] Reduce virtual IP disable time

Lon Hohberger lhh at redhat.com
Wed Jul 12 15:26:55 UTC 2006

On Wed, 2006-07-12 at 17:25 +0200, Riaan van Niekerk wrote:
> I am looking for a safe way to reduce the time to relocate virtual IPs 
> from one server to another (as managed by rgmanger in RHCS4)?
> The project I am working on requires a large number of virtual IP 
> resources (over 50). Here are some stats:
> - Migrating a single VIP takes 11 seconds.
> - Migrating 11 of them takes 122.

There's a big sleep function to allow NFS time to clean up (we're
working on a better solution to the problem this works around right
now!).  Just remove it.

> # XXX Let nfsd/lockd clear their queues; we hope to have a
> # way to enforce this in the future
> I am using the VIPs for web serving, not NFS

Then you're all set.

-- Lon

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