On Tue, 2011-11-29 at 14:40 -0800, Boaz Harrosh wrote: > On 11/29/2011 01:57 PM, Trond Myklebust wrote: > >> Also Files when they will support segments and servers that request segments, > >> like the CEPH server, will very much enjoy the above, .i.e: Tell me the amount > >> you know you want to write. > > > > Why would we want to add segment support to the pNFS files client??? > > Segments are a nuisance that multiply the amount of unnecessary chitchat > > between the client and the MDS without providing any tangible > > benefits... > > > > Your kidding right? > > One: it is mandated by the Standard, This is not an option. So a perfectly > Standard complaint server is not Supported by Linux because we don't see > the point. Bollocks.. Nothing is "mandated by the Standard". If the server doesn't give us a full layout, then we fall back to write through MDS. Why dick around with crap that SLOWS YOU DOWN. > Two: There are already file-layout servers out there (multiple) which are > waiting for the Linux files-layout segment support, because the underline > FS requires Segments and now they do not work with the Linux client. These > are CEPH and GPFS and more. Then they will have a _long_ wait.... Trond -- Trond Myklebust Linux NFS client maintainer NetApp Trond.Myklebust@xxxxxxxxxx www.netapp.com -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html