Date: 30 Sep 2001 00:03:10 -0700 From: swear@blarg.net (Gary W. Swearingen) To: walton@digger.net Cc: questions@FreeBSD.ORG Subject: Re: Partition table problem Message-ID: <pl4rpli2j5.rpl@localhost.localdomain> In-Reply-To: <20010930035143.94262.qmail@aerre.pair.com> References: <20010930035143.94262.qmail@aerre.pair.com>
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walton@digger.net writes:
> 3: sysid 165,(FreeBSD/NetBSD/386BSD)
> start 8376480, size 8376480 (4090 Meg), flag 80 (active)
> beg: cyl 554/ head 0/ sector 1;
> end: cyl 1023/ head 239/ sector 63
> 4: sysid 15,(Extended DOS, LBA)
> start 16752960, size 41852160 (20435 Meg), flag 0
> beg: cyl 84/ head 0/ sector 1;
> end: cyl 803/ head 239/ sector 63
> Should we write new partition table? [n]
>
>
> Notice the beginning and end cylinders for partition 4. Those are the
> settings it gives me when I decline to explicitly specify them. If I
> give it the beginning and end (which I believe should be 1024/0/1 -
> 3876/239/63), then it gives me this:
>
> 4: sysid 15,(Extended DOS, LBA)
> start 16752960, size 41852160 (20435 Meg), flag 0
> beg: cyl 0/ head 0/ sector 1;
> end: cyl 804/ head 239/ sector 63
>
> What's going on here? Those values don't make any sense.
Those cyl numbers are obviously what you believe they should be
minus an integer multiple of 1024 (they are modulo 1024).
My last two partitions have this:
beg: cyl 1023/ head 255/ sector 63;
end: cyl 1023/ head 254/ sector 63
So, since your "start" and "size" look OK (right?) I suspect (but don't
know) that your cyl numbers either don't matter or should be 1023.
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