Re: NetBSD/amd64 5.0.2 installer scribbled over my 2TB drive :(

[Steven Bellovin <smb%cs.columbia.edu@localhost>]

On Sep 29, 2010, at 12:46 01PM, Matthias Scheler wrote:

> 
> On 28 Sep 2010, at 2:44, Steven Bellovin wrote:
>> In my experience, with disks that large you have to use wedges, ...
> 
> No, you don't because there are no 2TB drives. All those drives only provide 
> 2 TiB which is less than the critical 2^32 sectors. I'm using these two 
> drives ...
> 
> wd0 at atabus2 drive 0: <WDC WD2002FYPS-01U1B1>
> wd0: drive supports 16-sector PIO transfers, LBA48 addressing
> wd0: 1863 GB, 3876021 cyl, 16 head, 63 sec, 512 bytes/sect x 3907029168 
> sectors
> wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
> wd0(ahcisata0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 
> (Ultra/133) (using DMA)
> wd1 at atabus3 drive 0: <WDC WD2002FYPS-02W3B0>
> wd1: drive supports 16-sector PIO transfers, LBA48 addressing
> wd1: 1863 GB, 3876021 cyl, 16 head, 63 sec, 512 bytes/sect x 3907029168 
> sectors
> wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
> wd1(ahcisata0:1:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 
> (Ultra/133) (using DMA)
> 
> ... under NetBSD/amd64 5.1_RC4 with normal disklabels without problems.
> 

Sorry, I should have been clearer -- my setup was a 4TB file system via RAID5 
across 3 disks.


                --Steve Bellovin, http://www.cs.columbia.edu/~smb