Date: Wed, 8 Jan 2014 13:37:48 -0500 From: Garrett Wollman <wollman@csail.mit.edu> To: freebsd-scsi@freebsd.org Subject: Attempting ATA TRIM on SAS devices? Message-ID: <21197.39676.138433.937002@khavrinen.csail.mit.edu>
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On a freshly-installed 9.2 system, I see the following: (da12:mps0:0:59:0): ATA TRIM failed, switching to UNMAP BIO_DELETE (da12:mps0:0:59:0): ATA COMMAND PASS THROUGH(16). CDB: 85 0d 06 00 01 00 01 00 00 00 00 00 00 40 06 00 (da12:mps0:0:59:0): CAM status: SCSI Status Error (da12:mps0:0:59:0): SCSI status: Check Condition (da12:mps0:0:59:0): SCSI sense: ILLEGAL REQUEST asc:24,0 (Invalid field in CDB) (da12:mps0:0:59:0): Error 22, Unretryable error (da35:mps0:0:82:0): ATA TRIM failed, switching to UNMAP BIO_DELETE (da35:mps0:0:82:0): ATA COMMAND PASS THROUGH(16). CDB: 85 0d 06 00 01 00 01 00 00 00 00 00 00 40 06 00 (da35:mps0:0:82:0): CAM status: SCSI Status Error (da35:mps0:0:82:0): SCSI status: Check Condition (da35:mps0:0:82:0): SCSI sense: ILLEGAL REQUEST asc:24,0 (Invalid field in CDB) (da35:mps0:0:82:0): Error 22, Unretryable error da12 and da35 are identified as follows: [root@nfs-prod-3 /export]# camcontrol inquiry da12 pass13: <OCZ TALOS2 2.25> Fixed Direct Access SCSI-5 device pass13: Serial Number A179E011337000251 pass13: 600.000MB/s transfers, Command Queueing Enabled [root@nfs-prod-3 /export]# camcontrol inquiry da35 pass36: <OCZ TALOS2 2.25> Fixed Direct Access SCSI-5 device pass36: Serial Number A179E011337000234 pass36: 600.000MB/s transfers, Command Queueing Enabled Why would it be trying ATA commands here? These are SAS devices. -GAWollman
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