Re: "PI - Protection Information" drives?

[Bengt Ahlgren]

Karli Sjöberg <ka...@inparadise.se> writes:

> Den 5 mars 2018 18:19 skrev Bengt Ahlgren <bengt....@ri.se>:
>
> 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
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[Greg 'groggy' Lehey]

On Monday, 5 March 2018 at 19:01:05 +0100, Karli Sjöberg via freebsd-fs wrote:
>

That's all there was. Bengt seems to have seen more, so my guess is
that you sent a message in HTML-only format, and the FreeBSD lists
strip HTML attachments.

It would be nice if you would include legible plain text parts. Then
you could drop the HTML too.

Greg
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