Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-10 Thread Terry Lambert
"David W. Chapman Jr." wrote: > > > :> > IBM DTLA drives are known to rotate fast enough near the spindle > > > :> > that the sustained write speed exceeds the ability of the controller > > > :> > electronics to keep up, and results in crap being written to disk. > > > > > > I would adssume it act

Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-10 Thread Matthew Dillon
:> Wouldn't the linear speed be faster closer to the spindle at 7200 RPM :> than at the edge? : :The stunning ignorance being displayed in this thread appears to have :reached an all-time low. : :*sigh* Ah, another poor soul who didn't read the first sentence of tuning(7).

Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-10 Thread Mike Smith
> > > :> > IBM DTLA drives are known to rotate fast enough near the spindle > > > :> > that the sustained write speed exceeds the ability of the controller > > > :> > electronics to keep up, and results in crap being written to disk. > > > > I would adssume it actually the tracks FURTHEREST from

IBM DTLA drives (was: Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c) )

2001-12-09 Thread Peter Wemm
Matthew Dillon wrote: > :> etc... So apparently my warning about these drives in 'man tuning' is > :> still appropriate :-) > :> > :>-Matt > :> > :> :> > IBM DTLA drives are known to rotate fast enough near the spindle > :> :> > that the sustained wri

Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-09 Thread Greg Lehey
On Sunday, 9 December 2001 at 22:44:52 -0800, Peter Wemm wrote: > 3) You get a system lockup when booting the *computer* if *any* DD disk >is attached anywhere at all. This is what killed the Thinkpad T20*, >A20*, 600X etc. After all the yelling we did at IBM, it turned out >to be F

Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-09 Thread Andrew Kenneth Milton
+---[ David W. Chapman Jr. ]-- | > > :> > IBM DTLA drives are known to rotate fast enough near the spindle | > > :> > that the sustained write speed exceeds the ability of the controller | > > :> > electronics to keep up, and results in crap being written to disk. | > | >

Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-09 Thread Peter Wemm
"David W. Chapman Jr." wrote: > On Sun, Dec 09, 2001 at 06:46:24PM -0800, Terry Lambert wrote: > > It's because you have to reinstall, should you want to add a second > > OS at a later date (e.g. Linux, or Windows). > > I think it has more to do with the drive going on a new motherboard > that m

Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-09 Thread Peter Wemm
"David W. Chapman Jr." wrote: > > > :> > IBM DTLA drives are known to rotate fast enough near the spindle > > > :> > that the sustained write speed exceeds the ability of the controller > > > :> > electronics to keep up, and results in crap being written to disk. > > > > > > I would adssume it a

Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-09 Thread David W. Chapman Jr.
> > :> > IBM DTLA drives are known to rotate fast enough near the spindle > > :> > that the sustained write speed exceeds the ability of the controller > > :> > electronics to keep up, and results in crap being written to disk. > > > I would adssume it actually the tracks FURTHEREST from the spi

Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-09 Thread Matthew Dillon
On google search for: deskstar 75gxp class action http://www.theregister.co.uk/content/54/22412.html http://www.pcworld.com/news/article/0,aid,67608,00.asp etc... So apparently my warning about these drives in 'man tuning' is still appropriate :-)

Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-09 Thread Terry Lambert
"David W. Chapman Jr." wrote: > On Sun, Dec 09, 2001 at 06:46:24PM -0800, Terry Lambert wrote: > > It's because you have to reinstall, should you want to add a second > > OS at a later date (e.g. Linux, or Windows). > > I think it has more to do with the drive going on a new motherboard > that mi

Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-09 Thread Terry Lambert
Greg Lehey wrote: [ ... DTLA drives ... ] > > Do a Google/Tom's Hardware search to reassure yourself that I am not > > smoking anything. > > I think I'd rather put the shoe on the other foot. This looks like > high-grade crack. Who was smoking it? For your further amusement, here is a pointe

Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-09 Thread Terry Lambert
Greg Lehey wrote: > > [ ... IBM DTLA drives ... ] > > No, that wasn't me. I didn't quote the full thing; that's what the brackets and ellipsis was for. > > IBM DTLA drives are known to rotate fast enough near the spindle > > that the sustained write speed exceeds the ability of the controller

Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-09 Thread David W. Chapman Jr.
On Sun, Dec 09, 2001 at 06:46:24PM -0800, Terry Lambert wrote: > It's because you have to reinstall, should you want to add a second > OS at a later date (e.g. Linux, or Windows). I think it has more to do with the drive going on a new motherboard that might not boot with dangerously dedicated t

Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-09 Thread Greg Lehey
On Sunday, 9 December 2001 at 18:46:24 -0800, Terry Lambert wrote: > Greg Lehey wrote: > > [ ... IBM DTLA drives ... ] No, that wasn't me. > IBM DTLA drives are known to rotate fast enough near the spindle > that the sustained write speed exceeds the ability of the controller > electronics to k

Re: "Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-09 Thread Terry Lambert
Greg Lehey wrote: [ ... IBM DTLA drives ... ] IBM DTLA drives are known to rotate fast enough near the spindle that the sustained write speed exceeds the ability of the controller electronics to keep up, and results in crap being written to disk. This is not often a problem with windows, the FS

"Dangerously dedicated" yet again (was: cvs commit: src/sys/kern subr_diskmbr.c)

2001-12-09 Thread Greg Lehey
On Sunday, 9 December 2001 at 22:52:58 +1030, Daniel O'Connor wrote: > > On 09-Dec-2001 [EMAIL PROTECTED] wrote: >> (The other day a coworker of mine wanted to use DD for some IBM DTLA >> disks, because he'd heard that the disks performed better that way - >> something to do with scatter-gathe