On Wed, 2007-10-31 at 12:18 +0100, Pavel Machek wrote:
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> Hi!
>=20
> > > So please get the VM bits for swap over network blockdevices in first=
,
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> >=20
> > Trouble with that part is that we don't have any sane network block
> > devices atm, NBD is utter crap, and iSCSI is too complex to be called
> > sane.
>=20
> Hey, NBD was designed to be _simple_. And I think it works okay in
> that area.. so can you elaborate on "utter crap"? [Ok, performance is
> not great.]

Yeah, sorry, perhaps I was overly strong.

It doesn't work for me, because:

  - it does connection management in user-space, which makes it
    impossible to reconnect. I'd want a full kernel based client.

  - it had some plugging issues, and after talking to Jens about it
    he suggested a rewrite using ->make_request() ala AoE. [ sorry if
    I'm short on details here, it was a long time ago, and I
    forgot, maybe Jens remembers ]

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> Plus, I'd suggest you to look at ata-over-ethernet. It is in tree
> today, quite simple, but should have better performance than nbd.

Ah, right, I keep forgetting about that one. The only draw-back to that
on is, is that its raw ethernet, and not some IP protocol.