Date: Mon, 6 Apr 1998 16:41:49 -0700 (PDT) From: Bob Lash <bob@wbs.net> To: freebsd-hardware@FreeBSD.ORG Cc: julian@ivision.co.uk Subject: Re: 12.0 GB Quantum Bigfoot TX IDE seen as 8.4 GB Message-ID: <Pine.LNX.3.91.980406162721.16406A-100000@webchat2.wbs.net> In-Reply-To: <199803280225.NAA13946@godzilla.zeta.org.au>
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It appears that a second Quantum Bigfoot TX 12 GIG owner is experiencing
the same problem -- freeBSD is recognizing it as only 8.4 GIG, and the
number of cylinders is getting capped off at 16383 (when it is actually
23361). I am appending his post that went to freebsd-hackers.
I had to go up with the three 12 Gig drives running as just 8.4 Gigs...
oh well... :(
Julian - I'm running 2.2.5, so upgrading your 2.2.2 won't solve this
problem...
Best wishes,
Bob Lash
bob@wbs.net
-----------------
Subject: Quantum bigfoot 12Gig
From: julian@ivision.co.uk (Julian)
Date: 1998/03/30
Message-ID: <6fo6rn$i21$1@FreeBSD.csie.NCTU.edu.tw>
Newsgroups: mailing.freebsd.hackers
I think that this is the right list, rather than 'filesystems', apologies if
this is off topic. Apologies also for the length of this email, but it would
be pointless without the associated details. I have recently purchased a
Quantum Bigfoot 12Gig drive, I admit that I was careless, and assumed that
the drive would just work under FreeBSD. The problem appears to be that the
number of cylinders is greater than FreeBSD 2.2.2 will cope with. I can if
necessary upgrade to 2.2.5 although don't really want to unless that will
actually resolve the problem.
Disklabel from Quantum bigfoot
# /dev/rwd2:
type: ESDI
disk: wd2s1
label:
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 16
sectors/cylinder: 1008
cylinders: 23361
sectors/unit: 23547888
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0 # milliseconds
track-to-track seek: 0 # milliseconds
drivedata: 0
8 partitions:
# size offset fstype [fsize bsize bps/cpg]
c: 23547888 0 unused 0 0 # (Cyl. 0 - 23360)
>From the in core copy
# /dev/rwd2:
type: unknown
disk:
label:
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 16
sectors/cylinder: 1008
cylinders: 16383
sectors/unit: 16514064
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0 # milliseconds
track-to-track seek: 0 # milliseconds
drivedata: 0
3 partitions:
# size offset fstype [fsize bsize
bps/cpg]
c: 16514064 0 unused 0
0 # (Cyl. 0 - 16382)
Note that the cylinders are where the 'main' difference appears to lie. I
have manually set my bios to the 'correct' figures, but if I let it
autodetect then it gives the figures that FreeBSD comes up with. This is an
exclusively FreeBSD system, and I don't need it to work with DOS, or any
other OS. I do not need to boot off this disk. It is just there for storage
purposes. I want/need to be able to use 12G of the disk, and not just the 8
that is on offer. I will keep playing, but on and off I have spent a week on
this, and thus far to no avail.
Julian
Unix Admin, Internet Vision
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