Installing a new scsi adapter

Jack Bauer wrote in news:g8j4l2$hlr$1@news.parasun.com
> Squeeze wrote:
> > Jack Bauer wrote in news:g83olc$58n$1@news.parasun.com
> > > Folkert Rienstra wrote:
> > > > Robert Heller wrote in news:Ro-dnU1lstPaCwDVnZ2dnUVZ_gKdnZ2d@posted.localnet
> > > > > At Fri, 08 Aug 2008 18:46:52 -0700 Jack Bauer <jb@nowhere.com> wrote:
> > > > > > soinie@hhotmail.com wrote:
> > > > > > > Is there any need to reformat the scsi hard drive and reinstall the OS
> > > > > > > when installing a new scsi adapter? This is something Adaptec appears
> > > > > > > to recommend. Thanks
> > > > > > Under what conditions does Adaptec recommend that? If you are replacing
> > > > > > a defective adapter with an identical one that works, definitely not.
> > > > > >
> > > > > > If you were upgrading the higher performance adapter, there MIGHT be
> > > > > > some advantage to doing a low-level format on the drive,
> > > > > to take full advantage of the new adapter.
> > > > There won't be any difference.
> > > >
> > > > > But you wouldn't NEED to do that.
> > > > Since there won't be any difference.
> > > >
> > > > > Some of the really old ISA SCSI cards used a different CHS mapping for
> > > > > SCSI disks.
> > > > It needn't be ISA. First PCI cards did too.
> > > >
> > > > > This could cause problems in terms of mapping CHS addressing to LBA
> > > > > addressing.
> > > > Nope, it just wouldn't boot.
> > > >
> > > > The only problem with CHS to LBA would arise if the bios ignored the
> > > > settings in the MBR altogether and used its preset settings instead.
> > > >
> >
> > > Seems to me, Folkert starts out saying you're wrong,
> >
> > Perhaps you should learn how to read. I said it wouldn't boot.
> >
> > > there won't be any problems,
> >
> > That's the only 'problem', but nothing destructive.
> >
> > > and then eventually admits the problems could be so severe
> >
> >
> > Nope, that's the only 'problem'.
> >
> > > that it won't even boot.
> >
> > Nope, just expanded on /why/ it wouldn't boot.
> > In case the drive was a data disk, DOS wouldn't recognize the volume
> > due to CHS mismatch. The only 'problem' would be user related if he re-
> > partitioned and formatted the drive out of ignorance, because of that.
> >
> > > It's worth noting that Adaptec has had bugs (with some of it's adapters)
> > > which have the effect of erasing the drive when you install a new
> > > adapter. It should have been fixed in the 90's but seems to have
> > > resurfaced in recent years.
> >
> > > Hopefully it's very rare,
> >
> > Must be as I have never heard of it in all the years that I have been here.
> > It has happened though with updating the SCSI bios that the drive was
> > written to, when that obviously should not have happened.
> >
> > > but you sure want to have everything backed up!
> >
> > > I've used many of their adapters without incident, but do remember
> > > this happening to a coworker in '93. Boy, she was ****ed!

> One thing for sure, you are using two different handles and can't even
> keep it straight which one you are using in a particular thread.

Like that that is really important. Run out of arguments, Jack Bauer?

>
> Squeeze or Folkert? Unless one guy is impersonating the other.

Keep guessing.