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> On Wed, Mar 19, 2003 at 11:08:11AM -0500, Steve Devine wrote:
>
> All:
>
> We manage the public afs rotary (afs.msu.edu). This rotary is
> comprised of 12 separate unix servers running samba as well as
> other services. When we need to patch a server we ask Hostmaster
> to remove it from the dns rotary. This doesn't seem to accomplish
> much however because even with these machines out of the rotary the
> isolated server still gets multiple requests for samba service. We
> recently had three out for several days and the minute we put them
> back on line they were serving samba requests even though they
> still were out of the rotary.
> [snip]
>
> Just out of curiousity... why are we still using DNS/WINS round-robin
> for this and pilot? Load balancers are very affordable and pratical
> for distributing load and providing failover. It would easily fix the
> problems associated with DNS/WINS caching for maintenance, that, and
> if a system were to go down (loose either TCP heartbeat on the SMB
> port or the physical interface loose link) it will automatically be
> removed from the pool and admins notified... no intevention from a
> hostmaster modifying DNS/WINS needed.
Mostly inertia. I believe we have a project in the works to order a
load balancer, but I'm not sure what is holding this up.
Doug Nelson [log in to unmask]
Network Manager Ph: (517) 353-2980
Computer Laboratory http://www.msu.edu/~nelson/
Michigan State University
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