Re: userspace block driver?

[Lars Marowsky-Bree]

On 2005-11-09T08:54:56, Jens Axboe <axboe@xxxxxxx> wrote:

> > >>Has anybody put any thought towards how a userspace block driver
						^^^^^^^^^
> > >>would work?
> 
> I was going to say drbd, but then you did say more lightweight :-)
		     ^^^^

drbd is implemented all in-kernel, too.

The deadlock scenarios with running block IO through user-space are
still somewhat unsolved, though. Not that block over network IO (in
particular TCP) is much better even when implemented in-kernel...


Sincerely,
    Lars Marowsky-Brée <lmb@xxxxxxx>

-- 
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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