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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