[Info-vax] Disk offline message when trying to mount

[tadamsmar]

On Feb 9, 12:35 pm, Rich Jordan <jor... at ccs4vms.com> wrote:
> On Feb 9, 11:33 am, Rich Jordan <jor... at ccs4vms.com> wrote:
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> > On Feb 9, 9:27 am, tadamsmar <tadams... at yahoo.com> wrote:
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> > > On Feb 9, 10:25 am, tadamsmar <tadams... at yahoo.com> wrote:
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> > > > I have a DS10 running VMS 7.3-2
>
> > > > I was trying out a used disk I bought.
>
> > > > It's recognized as DKA100 after boot, but I get a disk offline message
> > > > when I do MOUNT/FOR DKA100
>
> > > > Any ideas?  I tried adding a jumper to enable auto spin, did not work
>
> > > > There are jumper locations for "force se","ti sync nego","disable unit
> > > > attn", all are open now.
>
> > > It's an IBM Ultrastar disk  ultra3 scsi drive model DDYS-T09170
>
> > Which SCSI controller are you using?
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> > My info shows that drive as having an SCA connector.  If you are using
> > an SCA to 68 pin adapter to connect to the cable in your box, are you
> > certain the adapter is ok?  Does it have jumpers on it, and if so what
> > do they control besides device ID and apparently spinup?  Is there a
> > SYNCH/ASYNCH jumper and how is it set?  Is there an LVD/SE jumper?  Is
> > it rated for the speed of your adapter (the drive is apparently a
> > U160)?
>
> > My DS10L has a KZPEA adapter (U160).  I have several IBM drives that
> > have worked in it using a generic U160 rated SCA to 68 pin adapter;
> > its currently running an internal IBM Eserver 24P3763 18.2GB 10KRPM
> > U160 SCA disk very reliably.
>
> > However I tried both 36GB and 73GB 2.5" Seagate U320 drives that were
> > discussed here late last year and none of them would come online when
> > connected via the 68-SCA adapter.  They worked just fine when I
> > plugged them into my SuperMicro removable disk cage which was plugged
> > into the second external port of the KZPEA; all recognized, mountable,
> > usable.
>
> > My suspicions rest on the 68 pin to SCA adapters, but if you have an
> > alternate means of plugging that drive into your SCSI bus to test, it
> > might be worth a try.
>
> Sorry missed that you listed the jumpers. If you are using a KZPBA
> controller you might try setting the 'Force SE' jumper.  If a KZPCA or
> KZPEA then that should not be needed.  I'm not sure about the others.- Hide quoted text -
>
> - Show quoted text -

How do I check the type of controller?

I don't seem to need a adapter to connect the drive.  The physical
connect is just like other drives for the DS10