cluster layering

[Stephen C. Tweedie]

Hi,

On Wed, 24 Mar 1999 12:09:46 -0500 (EST), "Peter J. Braam"
<braam@cs.cmu.edu> said:

> and .. as Stephen said in his previous message, core services (like file
> systems, devices) can trigger an event in the connection manager, which
> has the immediate effect of suspending that service.

> I take it this event is at kernel level to be visible rightaway, and it
> will make its way up, to the smarts of the connection manager. Is that
> right?

Yep; until we have suspended active services we cannot fully start the
recovery process.  That includes kernel services (such as committing
write-back buffers to a clustered network raid-1 device, for example).

--Stephen