Re: Fwd: Fwd: Extended Volume Manager API

From: Lars Marowsky-Bree
Date: Mon May 08 2006 - 17:58:11 EST


On 2006-05-08T16:17:07, Circuitsoft Development <circuitsoft.devel@xxxxxxxxx> wrote:

> I'm not. They also need to get permission from the network before they
> write to the disk, and they're not going to get permission without
> hearing back from everybody. Besides, since the same network is used
> to connect to the disks as is used to connect the computers to each
> other, how would it be able to access the disks without being able to
> access other computers which also connect to the disks?

You really should read up about split-brain scenarios, quorum, IO
fencing, cluster membership algorithms and the amazing variety of
different types of crashes.


Sincerely,
Lars Marowsky-Brée

--
High Availability & Clustering
SUSE Labs, Research and Development
SUSE LINUX Products GmbH - A Novell Business -- Charles Darwin
"Ignorance more frequently begets confidence than does knowledge"

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