Date: Tue, 5 Aug 1997 01:03:11 +0200 From: Stefan Esser <se@FreeBSD.ORG> To: Chris Timmons <skynyrd@opus.cts.cwu.edu> Cc: current@FreeBSD.ORG, Stefan Esser <se@FreeBSD.ORG> Subject: Re: NCR behavior wrt spun-down disks at boot Message-ID: <19970805010311.12729@mi.uni-koeln.de> In-Reply-To: <Pine.BSF.3.95.970803213137.12149A-100000@opus.cts.cwu.edu>; from Chris Timmons on Sun, Aug 03, 1997 at 09:46:53PM -0700 References: <19970417114955.56763@x14.mi.uni-koeln.de> <Pine.BSF.3.95.970803213137.12149A-100000@opus.cts.cwu.edu>
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On Aug 3, Chris Timmons <skynyrd@opus.cts.cwu.edu> wrote: > > Hi Stefan, > > I have a couple of DEC RZ26L drives on an SC200 controller (data only, not > the boot device nor swap.) Presently I think they are jumpered to wait > for a start unit command before they spin up (I'll fix that the next time > I get into the box.) > > With -current of July 22, 1997, the boot probe works fine, and when fsck > touches them I get a couple of complaints but thereafter everything is ok: > > ncr1: <ncr 53c810a scsi> rev 0x11 int a irq 11 on pci0.12.0 > ncr1: waiting for scsi devices to settle > scbus1 at ncr1 bus 0 > sd1 at scbus1 target 1 lun 0 > sd1: <DEC RZ26L (C) DEC 440C> type 0 fixed SCSI 2 > sd1: Direct-Access > sd1: 10.0 MB/s (100 ns, offset 8) > 1001MB (2050860 512 byte sectors) > sd2 at scbus1 target 2 lun 0 > sd2: <DEC RZ26L (C) DEC 440C> type 0 fixed SCSI 2 > sd2: Direct-Access > sd2: 10.0 MB/s (100 ns, offset 8) > 1001MB (2050860 512 byte sectors) > > > (complaints until the drives come up... work fine thereafter) Hmmm, doesn't your SCSI BIO Sstart those drives ??? Mine does ... > sd1: error code 1, retries:2 > sd1: error code 1, retries:1 > sd1: error code 1, FAILURE > sd2: error code 1, retries:2 > sd2: error code 1, retries:1 > sd2: error code 1, FAILURE > > With -current from today, things don't go as well. I don't have the > machine on a serial console, so I will paraphrase what happens. > > The boot probe does not succede and the system hangs. As in the log from > above, we get to: > > scbus1 at ncr1 bus 0 > > but then before we see sd1 (partially incomplete hand transcribed): > > scbus target 1 lun 0: command failed (9ff) @ fa043600 > > ncr1 Aborting Job... > ncr1:1: Error (10:0:) (8-0-0) (0/3) @ script 424 > > > and the reset switch is my only friend :( Hmmm ... > I think it is an acceptable solution for me to jumper the drives so that > they spin up on power, but I thought that this change in behavior was > noteworthy enough to call to your attention. Did you verify, that there is no problem, if your drives spin up as soon as power is applied ? Sorry, if it takes a few days until I'm able to send a reply, I'm currently overloaded with work :( Regards, STefan
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