[SUMM] device name at firmware vs. os level

From: Susan Rodriguez <SUSROD_at_HBSI.COM>
Date: Tue, 29 Jun 1999 14:29:46 -0700

Thanks for a lightening fast response from Alan at DEC.

Even though I can't tell for sure which bus, having the LUN and TARGET helps
narrow down my problem

susrod_at_hbsi.com

> ----------
> From: alan_at_nabeth.cxo.dec.com[SMTP:alan_at_nabeth.cxo.dec.com]
> Sent: Tuesday, June 29, 1999 2:21 PM
> To: Susan Rodriguez
> Subject: Re: [Q] device name at firmware vs. os level
>
>
> Not reliably. The problem is that the in which the console
> find SCSI adapters is not necessarily the same order the
> genvmunix used when it created your kernel. Or the same
> order you used, if you edited the configuration file by
> hand.
>
> If it happens that the bus order is the same, then they are:
>
> dkb503 - rzd13
> dkb602 - rzc14
>
> I got them is from:
>
> bus 0 = dka
> bus 1 = dkb
> bus 2 = dkc
> and so on...
>
> 503 = target 5, lun 3
> 602 = target 6, lun 2
>
> LUN 0 = a
> LUN 1 = b
> LUN 2 = c
> LUN 3 = d
> and so on...
>
> rzd13 = rz{LUN-letter}((8 * bus) + target),
> rzd((8 * 1) + 5)
>
> You should be able to boot genvmunix, just to see what it
> decides to use the bus numbers. If it is the expected,
> then the odds are good that you can figure out the device
> names.
>
Received on Tue Jun 29 1999 - 21:29:29 NZST

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