Re: [Ltsp-developer] NBD vs NFS

[<ja...@Mc...>]

If someone wants to tackle setting up NBD-swapping with
LTSP, and make it as simple as NFS-Swapping is currently,
i'm all for it.

Jim McQuillan
ja...@Lt...


On 5 Nov 2002, David Johnston wrote:

> On Wed, 2002-10-30 at 19:47, Wouter Verhelst wrote:
> > Hi *,
> > 
> > Something I've been wondering since I found out about LTSP is the
> > following: why does LTSP use swapping over NFS (which is pretty slow,
> > considering the overhead of a filesystem) when the Network Block Device
> > (NBD) was specifically created for this purpose?
> > 
> > If the answer is "We didn't know about NBD" then, well, you do now. I'm
> > even willing to help out doing the support for NBD, if that help is
> > wanted and/or needed.
> > 
> > If you did know about it, but chose to go the NFS way for other reasons,
> > I'd like to know those. Being a disk server protocol rather than a
> > file-server protocol, NBD is slightly faster as compared to NFS, for
> > purposes like this. It even is the case that on my m68k-mac, NBD seems
> > faster[1] than the (poorly supported, under Linux) SCSI harddisk. Which
> > is amazing, considering the fact that the network here is a 10Base2
> > coaxial ethernet.
> 
> If I remember correctly, NBD wasn't available when Jim first built
> remote swapping into LTSP.  Also, NFS was already working.
> 
> NBD-swap sounds interesting; I'll help if I can.
> 
> -David
> 
> 
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