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On Thu, 28 Nov 2002, Trond Myklebust wrote: > >>>>> " " == Rasmus Bøg Hansen <moffe@amagerkollegiet.dk> writes: > > >> Does it also occur if you play around with setting rsize and > >> wsize = 1024? > > > I'm afraid so - I just double-checked... > > Given that you are saying that even synchronous RPC (which is the > default for r/wsize = 1024) is failing, then my 2 main suspicions are > > - hardware failure: Have you tried this on several different > server/client combinations and hardware combinations? Sigh: Just tried reversing the process (ie. exchanging the client/server role): No trouble at all, no errors in files. I just tried turning off DMA on the server disk (this is just a low-end IDE-system): No errors in files (compressing the file thrice). So it does not at all seem to be a NFS-issue! I have no idea what is wrong. If the disk, cable or IDE controller does bit-flipping when DMA is turned on, why is the problem only seen with NFS? I have never seem corrupted files or metadata with DMA turned (except once long ago, when I experimented with high-transfer-modes - I haven't done that since)... Thanks for your help! Regards /Rasmus (damn, PIO-mode performance sucks!) -- -- [ Rasmus "Møffe" Bøg Hansen ] --------------------------------------- He who asks a question is a fool for five minutes; he who does not ask a question remains a fool forever. ----------------------------------[ moffe at amagerkollegiet dot dk ] -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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