Re: A1000 RAID -- clearing password
From: DoN. Nichols (dnichols_at_d-and-d.com)
Date: 02/23/05
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Date: 22 Feb 2005 18:07:48 -0500
In article <421b5b1a$1_5@alt.athenanews.com>,
jmhayes <jmhayes@speakeasy-dot-net.no-spam.invalid> wrote:
>I'm sort of in the same boat: recently purchased a used A1000 and am
>trying to get it to work. So far probe-scsi-all doesn't seem to show
>the device at all. Can this happen because the battery is bad?
Probably not, as it is supposed to work with no battery present.
What kind of SCSI host adaptor do you have connected to it? It
should be a *differential* SCSI adaptor, not a single-ended one. The
same applies to the terminator.
With no disk drives present, it still showed up as seven SCSI
devices on a single IP -- with the differential SCSI host adaptor and
terminator installed. (I happened to have a Differential 68-pin SCSI
host adaptor on hand, so I could install it and test it.) Note that
when connected to the single-ended 68-pin connector on my Ultra-2, it
locked things up so "probe-scsi-all" could not see *any* SCSI devices.
> I
>kind of doubt it would survive this long; it blinks when I give power
>to the box. Don mentioned his "took a charge" -- should I just leave
>it powered on for a while?
Try that. I had it up for about 24 hours, and then was able to
measure a little over 6V on the output -- but it did not take too long
without power to drop down to 4V, as one of the three cells is certainly
pretty poor. With the battery module unplugged from the system, you
should be able to measure the voltage. Only two of the four connector
pins actually have pins in them. The other two are unused. Look into
it, and you can see which two (diagonally opposite) ones actually have
pins, and you can reach in with your voltmeter's probes to check it.
I'm not going to spend the money for a fully working battery
until I am sure that I can use the system with the downloaded package
from Sun.
> I have a terminator connected and the
>light is on. This is connected to a Netra t1; I upgraded the
>Openboot to 4.0 just in case. Any ideas?
Is that the "Netra t 1100" (page CPU-58 -- CPU-61 in my FEH), or
the "Netra t 1120/1125" (pages CPU-62 -- CPU-65), or the "Netra t
1400/1405 (pages CPU-66 -- CPU-69). Looking at the FEH descriptions, it
looks as though all of these have single-ended 68-pin SCSI, not
differential.
Looking though the SCSI section of the FEH, it looks as though
the part which you need to talk to that A1000 (or the D1000, for that
mater) is described as "Dual Differential Ultra/Wide SCSI", with
identifiers of "375-0006", "375-0014", and "540-3980". (The last of
those shows "Netra ft 1800 FRU -- w/375-0006").
I hope that this helps.
DoN.
P.S. *Don't* try removing the "Snap-Hat" to clear the firmware
password. It causes it to lose track of what its own serial
number is.
P.P.S. You can (and I *have*) install the board from the D1000, to
turn into "JBOD" (Just a Box of Disks) -- but that also needs
the differential SCSI host adaptor to talk to it. That board
has Sun part number 375-0008, and I was able to find one on eBay
at a reasonable price, so others will probably show up over time,
if you can't use the RAID features of the A1000. The D1000 does
not need the battery -- indeed it has no provisions for the
battery.
At least with the D1000 card, I can talk to drives in the
system.
-- Email: <dnichols@d-and-d.com> | Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero ---
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