Messages in this thread |  | | Date | Tue, 6 Nov 2001 07:10:59 -0200 (BRST) | From | Marcelo Tosatti <> | Subject | Re: Red Hat needs this patch (was Re: handling NFSERR_JUKEBOX) |
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On 6 Nov 2001, Trond Myklebust wrote:
> >>>>> " " == Bob Smart <smart@hpc.CSIRO.AU> writes: > > >> Take a look at the nfs sourceforge mailing list. There's a > >> long thread about this in the context of a Solaris HSM server. > >> I wrote a patch to try to do the right thing on a linux client, > >> but it is not perfect for many reasons: > >> http://devrandom.net/lists/archives/2001/6/NFS/0135.html > > > Thanks again for this patch. I've appended our current version > > to save others the trouble of minor modifications. I've just > > tested it against 2.4.13-ac7. > > > Your patch may not be perfect but it is a million times better > > than nothing. We have had no problems with it. Linux has a long > > tradition of utilizing imperfect software till something better > > comes along. > > > This patch is ESSENTIAL to make Linux useable in large > > enterprises, because they increasingly commonly utilize > > hirearchically managed storage. I strongly urge > > Alan/Linus/Macello to include this patch in the stable kernel > > tree (but marked experimental). Or at least can the kernel > > maintainers at Red Hat and other distributions put it in their > > offerings: surely you see that you need this for your big > > customers. > > The patch may appear to work, but it fails to understand the nature of > the problem. The problem with NFSERR_JUKEBOX is that is can appear in > more or less *any* NFSv3 RPC call. That includes everything from > lookups to writes. > > If all you do is intercept read and setattr, then you certainly > haven't achieved 'enterprise quality'.
Trond,
Should'nt we make Linux retry on NFSERR_JUKEBOX _by default_ ?
Is there any reason why we already don't do that already except "nobody coded it yet" ?
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