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тАО02-07-2010 06:33 AM
тАО02-07-2010 06:33 AM
I can a)sh all internal devices on the server. b) access DKA100 c) I can write to DKA0 or so it appears but I cannot boot to it.
Have tested several HD to no avail.
Has anyone seen this error before and what exactly does it mean?
Solved! Go to Solution.
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тАО02-07-2010 10:08 AM
тАО02-07-2010 10:08 AM
SolutionProblems like this are often SCSI related.
Maybe something was on the edge of the spec (cable length, termination) and no longer is?
Unplug, and re-plus everything in sight! :-)
More analytical approach...
Did it ever work? What changed?
May we assume you get that message from the Console subsystem at the P00>> prompt?
What hardware (no so critical, but still)
If the problem continues please provide output from
>>> SHOW DEVICE
and
>>> SHOW CONFIG
"I can write to DKA0"
Hmmm... how did you test that? Scary!
Hope this helps some,
Hein.
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тАО02-07-2010 11:32 AM
тАО02-07-2010 11:32 AM
Re: "Failed to Open DKA0.0.0.4.0" Error
(and inaccurate) descriptions.
> Re: Open VMS Alpha OS Ver. 6.2 - 1Hz:
"1Hz"?
There exists more than one Alpha system.
Which one is this?
> I can a)sh all internal devices on the
> server.
We non-psychics can't see what you see unless
you show us.
> b) access DKA100
"[A]ccess" how? Actual command(s)? Actual
output?
> c) I can write to DKA0 or so it appears
> but I cannot boot to it.
A record of what you did and what happened
when you did it might reveal more than a
(vague) description of how things appeared
to you.
> Have tested several HD to no avail.
"[T]ested" how? What, exactly, does "to no
avail" mean here?
> Has anyone seen this error before and what
> exactly does it mean?
Probably, but without a little context, it's
tough to say much "exactly" about it.
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тАО02-07-2010 12:59 PM
тАО02-07-2010 12:59 PM
Re: "Failed to Open DKA0.0.0.4.0" Error
Welcome to the HP ITRC OpenVMS Forum.
Some more detail would be helpful. Precisely what hardware is this problem happening on? From the revision of the software this is likely first generation hardware. Precise model and configuration information would be helpful.
Second, when precisely does the error message appear, and in response to what command.
And I certainly agree with Hein and Steve, hardware problems can manifest in strange ways.
- Bob Gezelter, http://www.rlgsc.com
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тАО02-07-2010 03:20 PM
тАО02-07-2010 03:20 PM
Re: "Failed to Open DKA0.0.0.4.0" Error
Try >>>b dka100
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тАО02-07-2010 03:57 PM
тАО02-07-2010 03:57 PM
Re: "Failed to Open DKA0.0.0.4.0" Error
The error looks like the kind of thing you see at the console when trying to boot.
What exactly was the command you executed??
if it was just "P00> boot" then could you include the output from "P00> show boot*", as well as that from "show config" and "show device", as requested above.
Dave.
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тАО02-07-2010 08:46 PM
тАО02-07-2010 08:46 PM
Re: "Failed to Open DKA0.0.0.4.0" Error
The following is the scenario:
1. The server DPW 500. It is a Legacy System located in a poor environment and not well maintained.
2. There was an electrical event that forced the electric company to shut down the entire block over night.
3. The entire system at the location went down and it was not resuming.
4. The DEC Server 90K+ had been replaced subsequent to the blackout and whoever performed the swap did not recycle the power of the CISCO 2950 Switch and subsequently the Milan IEEE 802.3 Coax connections, etc. were down when I arrived.
5. Throughout the troubleshooting process I did disconnect/connect all of the devices, though not all at once.
6. I replaced the server with a newly refurbished replacement. Keeping the existing DKA100 (User data) and introducing a new DKA0 (OS & Remote Utils). I also replaced the SCSII ribbon from the replaced server to the replacement unit.
7. All throughout no matter what we did, I kept getting exact the same error.
8. I have a Chevron >>> and $$$ for prompts not P00>
9. When I perform a $$$ b or >>> b it returns ├в Failed to open DKA0.0.0.4.0├в
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тАО02-07-2010 09:21 PM
тАО02-07-2010 09:21 PM
Re: "Failed to Open DKA0.0.0.4.0" Error
DPW500, good to know. DECserver90L+ replaced (there isn't a 90K+)? Was it connected to the DPW500's console port or do devices downstream on the ethernet from the DPW? In fact, let's change the direction of our questions.
Let's work from the DPW500 outward, get the workstation running before we're too concerned about giblets on the ethernet. Getting the ethernet working is great for everything else but once it's sending bits there's not much else to do with it, right?
You said "...replaced the server with a newly refurbished replacement..." Do you mean the DECserver or the DPW500? You moved an existing disk, DKA100 (user data) into a replacement DPW500 and added a "new" DKA0? In all honesty we're still in the dark. What disks did you have in your original system? Just installing a disk numbered as DKA0 doesn't get an operating system loaded to it. The error, "failed to open..." is apropriate if you have no bootable O/S there.
The prompts you're getting:
>>> is a SRM "console prompt" "B" boots from this prompt using the device in bootdef_dev and uses boot_osflags
$$$ is USUALLY the prompt you get from a bootable CD. You can't boot the machine from this prompt.
So let's start again. You had a DPW500 that died after a power issue? How many disks did it have? The system disk was a RZ-what and it was DKA-which? Did your original system have a CD reader? Did you move all the hard drives, as is, to the new system without changing their SCSI addresses? If not, why not? Have you replaced any disks? Have you reloaded your backup from your old system to the new disk? If not have you loaded OpenVMS (V6.2-1H3?) to the new disk?
There are still a lot of questions and we're trying to put the puzzle together... honest.
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тАО02-07-2010 09:50 PM
тАО02-07-2010 09:50 PM
Re: "Failed to Open DKA0.0.0.4.0" Error
>>>show device
> [...] we're still in the dark.
Very true. As you try to explain what you've
done, imagine that we haven't seen what you
have done. (Which we haven't.)
> [...] and uses boot_osflags
To be sure of the flags, specify them (here,
"0,0") explicitly:
>>>boot -flags 0,0 dka0
If you get ambitious:
>>>show config
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тАО02-08-2010 04:02 AM
тАО02-08-2010 04:02 AM
Re: "Failed to Open DKA0.0.0.4.0" Error
2 Quantom HDs on replaced system
DKA0 and DKA100
2 Cheetah HD on replacement system
Appear not to have been assigned nor were they provisioned with the OS
Both DecServer and the DPW500 were replaced.
1. The DECServer had been replaced by someone else who had been working on the system in an attempt to restore it. I am not informed of the details of his process.
2. The DPW500 replacement server was waiting for me upon my arrival on site.
I was instructed to take the DKA100 (from the replaced server) and make a DKA0 using the One of the Cheetah Drives.
3. There was no bootable CD in place, that I am aware of. In fact when I attempted to open the CD Drive it would not open. Since these machines are refurbished (over and over) and I was under presure to bring the system up ASAP I did not think much of it.
Are you certain that the only way I could have gotten the $$$ is if a Bootable CD was inserted in the Drive of the replacement system? Could I have been getting this from a remote connection?
When I first brought the server up, my only choice was an Windows NT OS and I had to got into the BIOS to choose the UNIX boot.
I had to perform this several times because it was not saving and it was not allowing me to set the Date/Time because it would not present me with any prompt. We thought perhaps it was a CMOS Battery issue...
Are you CERTAIN that I could only get $$$ from a Bootable CD?
Is it possible that the system was booting off of a remote CD? I know this is possible with a UNIX BSD and with DOS and Windows. That is since I was booting into the user DKA100.
I will be back later and give you the sequence of commands that were used and more system detail.
I very much appreciate your time and effort to help me.
Virginia Benedict