[SunRescue] ss20 error

[Drew Schatt]

I also know from personal experience that sense key errors can also 
be caused by SCSI chains being too long or on not high enough quality 
cables. You might want to get shorter, higher quality cables as that 
might help, if the drives are external...
	-Drew
At 7:44 PM -0400 3/19/00, D.A. Muran-de Assereto wrote:
>I've seen one case of a Sense Key error being caused by a bad controller.
>The machine (SS20) had removable drives, and some idiot pulled them while
>the machine
>was running.
>The drives survived beautifully, but the on-board SCSI was never the same;
>it produced
>random garbase and errors on known good drives until we got the hint and
>replaced the machine
>from depot.
>
>Dave
>
>-----Original Message-----
>From: rescue-admin at sunhelp.org [mailto:rescue-admin at sunhelp.org]On
>Behalf Of Taren
>Sent: Sunday, March 19, 2000 14:08
>To: rescue at sunhelp.org
>Subject: Re: [SunRescue] ss20 error
>
>
>Every time I've seen a sense-key error, it's been an indication that the
>drive
>is going, or has already, bad.  As this is a hardware failure, I'd back up
>as
>much as you can from the drive, and install a new hd.  You might try
>reformatting it to see if that clears the error, but I don't think that
>normally
>works.
>
>>
>>  > -----Original Message-----
>>  > From: Chris Drelich [mailto:hyena at interport.net]
>>  > Sent: Sunday, March 19, 2000 7:10 AM
>>  > To: rescue at sunhelp.org
>>  > Subject: Re: [SunRescue] ss20 error
>>  >
>>  >
>>  > Hmm, just tried set it "Motor Start" and no such luck, still
>>  > the same errors.
>>  > :(  The webpage for the system is
>>  > http://www.seagate.com/support/disc/specs/scsi/st39173wc.html
>>  > if anyone has the
>>  > time to help me figure out this mystery, it would be greatly
>>  > appreciated.
>>  > Chris
>>
>>  You've got me pretty well stumped, at least for a weekend.  You might try
>>  putting the drive into the other SCA slot, just for good luck, or trying
>>  another SCA drive in that slot of the SS20, to determine if something has
>>  gone bad on the backplane or something.  I really don't know.
>>	Greg
>>
>>  P.S. I know I didn't snip, but I'm hoping somebody else will take a look
>at
>>  this and reply with the right answer...
>>
>>  >
>>  > Gregory Leblanc wrote:
>>  > >
>>  > > > -----Original Message-----
>>  > > > From: Chris Drelich [mailto:hyena at interport.net]
>>  > > > Sent: Saturday, March 18, 2000 10:27 AM
>>  > > > To: rescue at sunhelp.org
>>  > > > Subject: [SunRescue] ss20 error
>>  > > >
>>  > > >
>>  > > > Can someone tell me what this might mean, and how I might go
>>  > > > about fixing it?
>>  > > > This is on an ss20, the problem drive is a Seagate
>>  > > > Baracuda(ST39173WC), I've
>>  > > > been trying many things and asking many people, and yet to
>>  > > > get a answer that
>>  > > > gets it to work.  This hard drive is known to be working, so
>>  > > > thats not the
>>  > > > problem. This is the error:
>>  > > >
>>  > > > WARNING:
>>  > > >
>>  > /iommu at f,e000000/sbus at f,e0001000/espdma at f,400000/esp at f,800000/sd at 1,0 :
>>  > > >         Error for Command: load/start/stop        Error
>>  > > > Level: Retryable
>>  > > >
>>  > > >                 0
>>  > > >         Vendor: SEAGATE                           Serial Number:
>>  > > >         Sense Key: Not Ready
>>  > > >         ASC: 0x4 (LUN not ready), ASCQ: 0x0, FRU: 0x2
>>  > > >
>>  > > >
>>  > > > It does this a few times and then goes "offline."
>>  > >
>>  > > Hmm, what are the jumpers set to on this drive?  That
>>  > doesn't look to me
>>  > > like an SCA part number, but I never can remember, maybe
>>  > that's what the C
>>  > > means...  Basically the error message is saying that the
>>  > drive is not
>>  > > replying to the load/start/stop commands.  How is the
>>  > auto-start/spin-up
>>  > > jumper set?  Try chaning that.  IIRC, the termination power
>>  > jumper should be
>>  > > removed on internal drives to the SS20, if the drive has
>>  > one.  It's been a
>>  > > while since I've played with those drives, so maybe they don't have
>>  > > termpower.
>>  > >         Greg
>>  > >
>>  > > _______________________________________________
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