Merge Computer Option?

Dan.Cape
Dan.Cape
Joined: 11 Feb 05
Posts: 14
Credit: 46319
RAC: 0
Topic 187889

On the computer summary page in your individual profile, what does the merge computer option mean?
Will it merge the results of both computers into one and there will only be one computer instead of two?
Thanks for any help,
...Dan

Saenger
Saenger
Joined: 15 Feb 05
Posts: 403
Credit: 33009522
RAC: 0

Merge Computer Option?

In short: Yes!
But..
They have to be identical, usually created through detach/reattach, major boinc update, or some hickup ;-)
For further information:
A good manual for Boinc is Paul D. Bucks BOINC Powered Projects Documentation and his FAQ therein.

Grüße vom Sänger

Bruce Allen
Bruce Allen
Moderator
Joined: 15 Oct 04
Posts: 1119
Credit: 172127663
RAC: 0

> In short: Yes! > But.. >

Message 4289 in response to message 4288

> In short: Yes!
> But..
> They have to be identical, usually created through detach/reattach, major
> boinc update, or some hickup ;-)
> For further information:
> A good manual for Boinc is Paul D. Bucks href="https://einsteinathome.org/%3Ca%20href%3D"http://boinc-doc.net/index.php">http://boinc-doc.net/index.php">BOINC Powered Projects Documentation[/url]
> and his FAQ
> therein
.

Due to a bug in the BOINC core client, many people who joined the project in the past few days may find that they have two (or more!) computers listed, when in fact they only registered a single one. Please merge these together.

Bruce

Director, Einstein@Home

[B^S] Paul@home
[B^S] Paul@home
Joined: 9 Feb 05
Posts: 62
Credit: 1734615
RAC: 0

Does anyone know the criteria

Does anyone know the criteria for saying whether a host is 'the same' as another? ie what crontols whether we can merge 2 hosts or not.

I ahve a machine which had a hard disk crap out on me. I put in a new disk and rebuild the OS. Everything is the same on the PC except the Hard Disk is 5GB smaller than the original. I can't merge these hosts.. I presume coz BOINc servers don't think they could be the same machine.

Since a HD swap would be common enough I would have thought that I shold be able to merge those PCs...
Everything else is the same - version of windows, service pack, memeory, CPU, PC name etc.

cheers,

Paul.


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John McLeod VII
John McLeod VII
Moderator
Joined: 10 Nov 04
Posts: 547
Credit: 632255
RAC: 0

> Does anyone know the

Message 4291 in response to message 4290

> Does anyone know the criteria for saying whether a host is 'the same' as
> another? ie what crontols whether we can merge 2 hosts or not.
>
> I ahve a machine which had a hard disk crap out on me. I put in a new disk and
> rebuild the OS. Everything is the same on the PC except the Hard Disk is 5GB
> smaller than the original. I can't merge these hosts.. I presume coz BOINc
> servers don't think they could be the same machine.
>
>
> Since a HD swap would be common enough I would have thought that I shold be
> able to merge those PCs...
> Everything else is the same - version of windows, service pack, memeory, CPU,
> PC name etc.
>
>
> cheers,
>
> Paul.
>
The OS description string and the CPU description string must both match between the two computers to generate a match.

Paul D. Buck
Paul D. Buck
Joined: 17 Jan 05
Posts: 754
Credit: 5385205
RAC: 0

> The OS description string

Message 4292 in response to message 4291

> The OS description string and the CPU description string must both match
> between the two computers to generate a match.

if ($host2->p_vendor != $host1->p_vendor) return false;
if ($host2->p_model != $host1->p_model) return false;
if ($host2->os_name != $host1->os_name) return false;

The two PARTs of the CPU string must match. So, In my case I have several computers and in the changes made to the system software many of my old computer records do not match the new ones because the CPU detection/description code, for example, made these two different strings:

GenuineIntel Intel(R) Pentium(R) 4 CPU 3.00GHz
Intel(R) Pentium(R) 4 CPU 3.00GHz Pentium

much more annoying to me is the fact that the LATEST record ID is kept rather than the older one ...

Anyway, in my case, I have found that the "match" system stinks and you will get EQ-1 and p3a-3200-ht (in my case, two seperate computers) "matching". So, merge away until you run out of matches even if the machines are NOT really matches. It is the only way to preserve total computer credit (if you care) ...

Otherwise, merge as much as possible and delete the rest. Note: Deleting an "old" un-matching computer with credit does not affect your TOTAL credit, just the total credit that has accumulated on that computer.

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