From owner-freebsd-scsi  Sat May  5 10:17:52 2001
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Date: Sat, 5 May 2001 10:17:38 -0700 (PDT)
From: Matthew Jacob <mjacob@feral.com>
Reply-To: mjacob@feral.com
To: Ron Klinkien <rklinkien@chello.nl>
Cc: freebsd-scsi@FreeBSD.ORG
Subject: Re: Recovered data with positive head offset field replaceable unit
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y

On Sat, 5 May 2001, Ron Klinkien wrote:

> Hi SCSI wizards,
> 
> On one of my FreeBSD machines I found
> this rather strange scsi message:
> 
> > (da1:sym0:0:8:0): READ(06). CDB: 8 8 1 90 10 0
> > (da1:sym0:0:8:0): RECOVERED ERROR info:80198 asc:17,2
> > (da1:sym0:0:8:0): Recovered data with positive head offset field replaceable unit: df sks:80,12
> 
> 
> Can anybody point me to what kind of message this is? Scsi driver, bad block remapped?


Heh. Tsk. It's the drive saying "I was able to read the data, but only after
I offset the head toward the drive center by a sub-track width amount".

I haven't seen such messages since SMD days....

Do you have the drive in a strange physical position? Or did you kick
the system at some point?


> 
> I have this controller:
> sym0: <875> port 0xd000-0xd0ff mem 0xe0000000-0xe0000fff,0xe0800000-0xe08000ff irq 12 at device 10.0 o
> n pci0
> sym0: Symbios NVRAM, ID 7, Fast-20, SE, parity checking
> sym0: open drain IRQ line driver, using on-chip SRAM
> sym0: using LOAD/STORE-based firmware.
> sym0: SCAN FOR LUNS disabled for targets 0 1 2 3 4 5 6.
> 
> 
> And da1 is:
> da1 at sym0 bus 0 target 8 lun 0
> da1: <SEAGATE ST34371W SUN4.2G 7462> Fixed Direct Access SCSI-2 device 
> da1: 40.000MB/s transfers (20.000MHz, offset 15, 16bit), Tagged Queueing Enabled
> da1: 4094MB (8385121 512 byte sectors: 255H 63S/T 521C)
> 
> 
> 
> Thanks in advance.
> 
> Regards,
> Ron.
> 
> 


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