Re: Checksums, CRC's, and NFS
8 Apr 88 17:58:00 GMT

RMS (Record Management Services) on VMS does a CRC on the entire file
both before and after it is transfered. We found this out the hard way
when we had a flakey UNIBUS adapter in our VAX/780 which caused most
large DECnet file transfers out our DEUNA to fail with the message that
the DAP level CRC check had failed. (DAP = Data Access Protocol). Would
have had a lot of bad data around without this check, since the network
itself was operating correctly and no other errors were ever reported.

Mark Sandrock, (

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