Date: Wed, 15 Sep 1999 00:28:07 -0500 From: Kris Kirby <kris@airnet.net> To: "Kenneth D. Merry" <ken@kdm.org> Cc: scsi@freebsd.org Subject: Re: Reformatting a 520-byte-per-sector drive Message-ID: <37DF2E67.B9F54D28@airnet.net> References: <199909150229.UAA39212@panzer.kdm.org>
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Kenneth D. Merry wrote:
>
> Kris Kirby wrote...
> > Kenneth D. Merry wrote:
> >
> > > > > # camcontrol cmd da1 -v -c "1A 0 3 0 c 0" -i 0xc "i1 i1 i1 i1 i1 i3 i1 i3"
> > > > > 35 0 16 8 1 1052654 0 512
> >
> > This spits out the appropriate answer.
> > #root:orgy: {17} camcontrol cmd da0 -v -c "1A 0 3 0 c 0" -i 0xc "i1 i1
> > i1 i1 i1 i3 i1 i3"
> > 35 0 16 8 0 1931265 0 520
>
> Good.
>
> > > > > The last 3-byte integer is the block size. So, in theory, I suppose you
> > > > > could change the blocksize by doing something like this:
> >
> > > > > # camcontrol cmd da1 -v -c "15 10 0 0 c 0" -o 0xc "b 0 0 8 0 0:i3 0 v:i3" 512
> > > > > [ of course you'd substitute "da3" for "da1" above ]
> >
> > This sets it properly, but when chased with a format, doesn't do
> > anything. (Except format the drive. :-)
>
> Hmm...so the setting doesn't stick?
>
> > > > What would be the proper command to change the number of blocks? Docs
> > > > say it needs both.
> > >
> > > Well, in that case, you'd do this I think:
> > >
> > > # camcontrol cmd da3 -v -c "15 10 0 0 c 0" -o 0xc "b 0 0 8 0 v:i3 0 v:i3" xxxx 512
> > >
> > > Where the 'xxxx' is the number of 512 byte blocks.
> >
> > #root:orgy: {15} camcontrol cmd da0 -v -c "15 10 0 0 c 0" -o 0xc "b 0 0
> > 8 0 v:i3 0 v:i3" 1962030 512
> > camcontrol: error sending command
> > (pass0:aha0:0:0:0): MODE SELECT(06). CDB: 15 10 0 0 c 0
> > (pass0:aha0:0:0:0): ILLEGAL REQUEST asc:26,0
> > (pass0:aha0:0:0:0): Invalid field in parameter list sks:80,0
>
> Well, I neglected the fact that the length parameter in the mode page
> header is reserved for mode select. The above error is pointing to the
> first byte in the parameter list. So, try this instead:
>
> camcontrol cmd da0 -v -c "15 10 0 0 c 0" -o 0xc "0 0 0 8 0 v:i3 0 v:i3" 1962030 512
> Good deal. Let me know whether this works.
As of now, it is running this command. Until the machine hangs... (I
have a bad widdle 1542CF. But three good 1542Bs. Well, the CF is the
only one with a BIOS more intelligent than mud. :-)
--
Kris Kirby
<kris@airnet.net>
-------------------------------------------
TGIFreeBSD... 'Nuff said.
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