"PI - Protection Information" drives?

[Bengt Ahlgren]

Karli Sjöberg <karli at inparadise.se> writes:

> Den 5 mars 2018 18:56 skrev Bengt Ahlgren <bengt.ahlgren at ri.se>:
>
>  Karli Sjöberg writes:
>
>  > Den 5 mars 2018 18:19 skrev Bengt Ahlgren :
>  >
>  > I've recently gotten a (Dell-branded) Seagate drive which seems to be
>  > formatted with something called "Protection Information (PI) type 2".
>  >
>  > CDB read/write commands of size 6 seems to work, but any read/write
>  > commands of size 10 (or larger) do not work:
>  >
>  > (da20:mps0:0:11:0): READ(10). CDB: 28 00 00 00 00 00 00 01 00 00 
>  > (da20:mps0:0:11:0): CAM status: SCSI Status Error
>  > (da20:mps0:0:11:0): SCSI status: Check Condition
>  > (da20:mps0:0:11:0): SCSI sense: ILLEGAL REQUEST asc:20,0 (Invalid command
>  operation code)
>  > (da20:mps0:0:11:0): Error 22, Unretryable error
>  >
>  > smartctl output says:
>  >
>  > === START OF INFORMATION SECTION ===
>  > Vendor: SEAGATE
>  > Product: ST600MM0238
>  > Revision: BS04
>  > Compliance: SPC-4
>  > User Capacity: 600,127,266,816 bytes [600 GB]
>  > Logical block size: 512 bytes
>  > Formatted with type 2 protection
>  > LU is fully provisioned
>  > Rotation Rate: 10000 rpm
>  > Form Factor: 2.5 inches
>  > Logical Unit id: XXX
>  > Serial number: YYY
>  > Device type: disk
>  > Transport protocol: SAS (SPL-3)
>  > Local Time is: Mon Mar 5 17:54:09 2018 CET
>  > SMART support is: Available - device has SMART capability.
>  > SMART support is: Enabled
>  > Temperature Warning: Disabled or Not Supported
>  > Read Cache is: Enabled
>  > Writeback Cache is: Disabled
>  >
>  > Any advice? Does this "Protection Information" work at all with
>  > FreeBSD? Or do I simply need to reformat the drive without this "PI"
>  > stuff?
>  >
>  > Had this problem except they were IBM branded. After much googling I found this:
>  >
>  https://forums.freenas.org/index.php?threads/scsi-errors-unable-to-wipe-drives-9240-9211-w-ibm-seagate-disks.43453/#post-287162
>  
>  >
>  >
>  > PIA if you ask me :)
>
>  Thanks for the pointer!
>
>  Do I need that sg_format utility, or will camcontrol format also do the
>  right thing?
>
>  Bengt
>
> No idea, but the 'sg_format' utility is part of the 'sg3_utils' package, so it's easy enough to
> come by.

Tried sg_format - it did the trick!  Thanks again!

Bengt