Messages in this thread | | | Date | Mon, 03 Aug 1998 15:06:33 -0500 | From | Doug Ledford <> | Subject | Re: Data corruption using 2940U |
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Carsten Gross wrote: > > Hello! > > Perhaps this question is not really kernel related, but it's a lowlevel > problem and it _could_ be a serious kernel problem. > > I've some problems with data corruption on my SCSI discs connected to an > Adaptec 2940U. Mainboard is a dual Pentium Tyan Tomcat II (HX chipset, > 2*P100, 64 MB RAM, Kernel compiles without problems) using SMP Kernel > 2.1.111. > > It happens during copying from a MO drive 'Fujitsu' Model: M2512A (216 MB) > to a Micropolis SCSI harddrive Model: 4343NS using the Adaptec driver > Version 5.1.0pre4/3.2.4. Ultra support for the Micropolis is enabled, parity > checking on the pci_bus using the LILO commandline option > "aic7xxx=pci_parity" is enabled. SCSI parity checking is also enabled in the > BIOS setup. It's not only one or 2 bits, but a whole disc block of corrupted > data.
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Do you have tagged queueing enabled on the Micropolis drive? If so, disable it because this sounds like one of those cases of broken tagged queueing implementations causing silent corruption. --
Doug Ledford <dledford@dialnet.net> Opinions expressed are my own, but they should be everybody's.
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