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Date:      Mon, 5 Mar 2018 21:37:39 +0100
From:      Bengt Ahlgren <bengt.ahlgren@ri.se>
To:        Karli =?iso-8859-1?Q?Sj=F6berg?= <karli@inparadise.se>
Cc:        <freebsd-fs@FreeBSD.org>
Subject:   Re: "PI - Protection Information" drives?
Message-ID:  <uh77eqq8dik.fsf@P142s.sics.se>
In-Reply-To: <d7234d42-5a5d-4965-94b8-a1dc18094746@email.android.com> ("Karli =?iso-8859-1?Q?Sj=F6berg=22's?= message of "Mon, 5 Mar 2018 19:01:05 %2B0100 (CET)")
References:  <uh7y3j6zbll.fsf@P142s.sics.se> <c5edead3-47b6-400e-9230-aaa0574bbb25@email.android.com> <uh7tvtuz9t6.fsf@P142s.sics.se> <d7234d42-5a5d-4965-94b8-a1dc18094746@email.android.com>

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Karli Sj=F6berg <karli@inparadise.se> writes:

> Den 5 mars 2018 18:56 skrev Bengt Ahlgren <bengt.ahlgren@ri.se>:
>
>  Karli Sj=F6berg 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=20
>  > (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 comm=
and
>  operation code)
>  > (da20:mps0:0:11:0): Error 22, Unretryable error
>  >
>  > smartctl output says:
>  >
>  > =3D=3D=3D START OF INFORMATION SECTION =3D=3D=3D
>  > 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 f=
ound this:
>  >
>  https://forums.freenas.org/index.php?threads/scsi-errors-unable-to-wipe-=
drives-9240-9211-w-ibm-seagate-disks.43453/#post-287162
>=20=20
>  >
>  >
>  > 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



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