Miles Nordin wrote: > There are checksums in the ethernet FCS, checksums in IP headers, > checksums in UDP headers (which are sometimes ignored), and checksums > in TCP (which are not ignored). There might be an RPC layer checksum, > too, not sure. > > Different arguments can be made against each, I suppose, but did you > have a particular argument in mind? > > Have you experienced corruption with NFS that you can blame on the > network, not the CPU/memory/busses of the server and client?
Absolutely. See my recent post in this thread. The TCP checksum is not that strong, and a router broken the right way can regenerate a correct-looking Ethernet checksum on bad data. krb5i fixed it nicely. Rob T _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
