Re: 520 BPS data integrity vendors

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Following is the output with the Hitachi drive:

[root@fedora13 ~]# lsscsi -p

[0:0:0:0]    cd/dvd  hp       CDDVDW TS-H653R  0E00  /dev/sr0

[1:0:0:0]    disk    ATA      ST31000528AS     CC38  /dev/sda

[6:0:0:0]    disk    HITACHI  HUS151473VLS300  A420  /dev/sdb

[root@fedora13 ~]# sg_inq /dev/sdb

standard INQUIRY:

  PQual=0  Device_type=0  RMB=0  version=0x05  [SPC-3]

  [AERC=0]  [TrmTsk=0]  NormACA=0  HiSUP=0  Resp_data_format=2

  SCCS=0  ACC=0  TPGS=0  3PC=0  Protect=0  BQue=0

  EncServ=0  MultiP=1 (VS=0)  [MChngr=0]  [ACKREQQ=0]  Addr16=0

  [RelAdr=0]  WBus16=0  Sync=0  Linked=0  [TranDis=0]  CmdQue=1

  [SPI: Clocking=0x0  QAS=0  IUS=0]

    length=164 (0xa4)   Peripheral device type: disk

 Vendor identification: HITACHI

 Product identification: HUS151473VLS300  Product revision level: A420

[root@fedora13 ~]# sg_readcap /dev/sdb

Read Capacity results:

   Last logical block address=140174231 (0x85ae397), Number of blocks=140174232

   Logical block length=520 bytes

Hence:

   Device size: 72890600640 bytes, 69513.9 MiB, 72.89 GB

[root@fedora13 ~]#


Thanks


On Tue, Jul 6, 2010 at 2:53 PM, Martin K. Petersen
<martin.petersen@xxxxxxxxxx> wrote:
>
> >>>>> "Dan" == Dan Porat <dan.porat@xxxxxxxxx> writes:
>
> Dan> We checked with kernel 2.6.34 , Seagate Cheetah 15K and the
> Dan> following HBA: LSI 9212-4i4e
>
> Dan> Still , no success.
>
> Send us the output of:
>
> # lsscsi -p
> # sg_inq -x /dev/sdN
> # sg_readcap -l /dev/sdN
>
>
> Dan> Any Ideas?
>
> And you are sure that the drive is formatted with DIF?  Seagate's
> standard firmware doesn't support it, fwiw.  It's a build-to-order
> option.
>
> Hitachi drives support DIF out of the box.
>
> --
> Martin K. Petersen      Oracle Linux Engineering
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