Re: ST31000340NS (1000G) Capacity equal 33MB issue.

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Mark Lord wrote:
Richard Liu wrote:
Dear Mark:

2008/2/15, Mark Lord <liml@xxxxxx>:
Richard Liu wrote:
 > Hello all:
 >
 >      I bought a Seagate ES.2 ST31000340NS (1000GB) and run at Gentoo
 > Linux kernel 2.6.24.
 > But Linux kernel report the disk size only 33MB.
 > I tried Intel ICH5 and Sil3112, but get the same result.
 >
 > I don't know this issue was caused by libsata or scsi layer .

..

hdparm
 >  ==
 > hdparm -i /dev/sdc
 >
 > /dev/sdc:
 >
 >  Model=ST31000340NS                            , FwRev=SN04    ,
 > SerialNo=            9QJ09BJ4
 >  Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
 >   RawCHS=64/16/63, TrkSize=0, SectSize=0, ECCbytes=4
 >  BuffType=unknown, BuffSize=0kB, MaxMultSect=16, MultSect=?16?
 >  CurCHS=64/16/63, CurSects=64512, LBA=yes, LBAsects=65134
 >  IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
 >   PIO modes:  pio0 pio1 pio2 pio3 pio4
 >  DMA modes:  mdma0 mdma1 mdma2
 >  UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
 >  AdvancedPM=no WriteCache=enabled
> Drive conforms to: ATA/ATAPI-6 T13 1410D revision 2: ATA/ATAPI-4,5,6
 >
 >  * signifies the current active mode

..

Nothing wrong there, but I would really like/prefer to see the output from:

    hdparm --Istdout /dev/sdc


 thanks.


 # hdparm --Istdout /dev/sdc

/dev/sdc:
0c5a 0040 c837 0010 0000 0000 003f 0000
0000 0000 2020 2020 2020 2020 2020 2020
3951 4a30 3942 4a34 0000 0000 0004 534e
3034 2020 2020 5354 3331 3030 3033 3430
4e53 2020 2020 2020 2020 2020 2020 2020
2020 2020 2020 2020 2020 2020 2020 8010
0000 2f00 4000 0200 0200 0007 0040 0010
003f fc00 0000 0110 fe6e 0000 0000 0007
0003 0078 0078 0078 0078 0000 0000 0000
0000 0000 0000 001f 0502 0000 0040 0040
0070 001b 346b 7d01 4123 3468 bc01 4103
207f 0000 0000 fefe fffe 0000 fe00 0000
0000 0000 0000 0000 fe6e 0000 0000 0000
0000 0000 0000 0000 5000 c500 09b9 0136
0000 0000 0000 0000 0000 0000 0000 4006
4006 0000 0000 0000 0000 0000 0000 0000
0021 6db0 7470 6db0 7470 0000 0002 0140
0100 5000 3c06 3c0a 0000 003c 0000 0008
0000 0000 000f 0280 0000 0000 000a 0000
0000 0000 0000 0000 0000 0000 2700 8000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 003d 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 1c20 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 e9a5
..

Thanks.  By running the above data through hdparm --Istdin,
I see that the drive is indeed identifying itself as a 33MB drive.

Probably because it has been told to do so by either the factory defaults,
or the BIOS, having enabled these features (which can cause it to report
fake values for various things):

          *    Host Protected Area feature set
          *    Device Configuration Overlay feature set

So that's why the 1TB drive appears as a 33MB drive.

In the near future, I will be enhancing hdparm to query more
detailed data from underneath those artificial features.

But you'll have to enable the entire 1TB capacity if you want Linux to use it.
It is currently disabled in the drive, and Linux respects that.
..

Okay, hdparm-8.1 is now available from sourceforge.net.
Download it, build it ("make"), and see what you get from "hdparm -N /dev/sdc"

Thanks
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