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SubjectRe: Linux iSCSI Initiator, OpenSource (fwd) (Re: Gauntlet Set NOW!)

Andre Hedrick wrote:

> > > Please continue to think of TCP checksums as valid for a data transport,
> > > you data will be gone soon enough.
> > >
> > > Initiator == Controller
> > > Target == Disk
> > > iSCSI == cable or ribbon
> > >
> > > Please turn off the CRC on your disk drive and see if you still have data.
> >
> > This maybe works as PR, but otherwise it's crap.
> So, please turn off the CRC's in your onboard storage today and see how
> long it lasts.

If you want to compare apples with apples, you should rather tell me how
I turn off the checksumming of my nic.

> > With a network protocol you have multiple possibilities to increase the
> > reliability. The lower you do it in the network layer the easier is it
> > to put it into hardware and to optimize it and the more generically it's
> > usable. Doing it in the protocol is only the last resort. The iSCSI
> > protocol is a nice protocol - if you ignore all the crap the hardware
> > vendors put in (that stuff only makes sense if you want to produce ultra
> > cheap hardware).
> I will be happy to see everyone turn off the CRC's on the data and headers
> on their products or the open sources ones which fail to follow the rules.
> I am well away of everyones contempt for standards.

You know RFC2119?

bye, Roman
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