Group:  Microsoft Access ยป microsoft.public.access.replication
Thread: REPLICA QUESTIONS

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REPLICA QUESTIONS
"DREAMER" <LG[ at ]ARGENTINA.COM> 14.07.2006 01:03:09
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Hello,

I have created only one REPLICA of one MDB (that has only tables) with =
Access XP and have distributed 10 COPIES of same (Copy and paste) to the =
different ones PCs in differents cities .....=20

QUESTIONS:

1 - When it synchronizes the 10 copies (that in fact are the same one, =
but copied) with the main design, I can experience some problem?

2 - When each one of those REPLICAS generate his ID, it can happen that =
different registries are superposed, erasing data of another =
synchronization?

I hope understand my questions.

Thanks!

Dreamer. -
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<DIV><FONT face=3DArial size=3D2>Hello,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I have created only one REPLICA of =
one MDB=20
(that has only tables) with Access XP and have distributed 10 =
COPIES of=20
same (Copy and paste) to the different ones PCs in=20
differents cities ..... </FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>QUESTIONS:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>1 - When it synchronizes the 10 copies =
(that in=20
fact are the same one, but copied) with the main design, I can =
experience some=20
problem?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>2 - When each one of those REPLICAS =
generate his=20
ID, it can happen that different registries are superposed, erasing data =
of=20
another synchronization?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I hope understand my =
questions.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Thanks!</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Dreamer. - =
</FONT></DIV></DIV></DIV></BODY></HTML>

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Re: REPLICA QUESTIONS
"David W. Fenton" <XXXusenet[ at ]dfenton.com.invalid> 14.07.2006 11:54:25
"DREAMER" <LG[ at ]ARGENTINA.COM> wrote in
news:e0tgEFupGHA.2292[ at ]TK2MSFTNGP05.phx.gbl:

[Quoted Text]
> I have created only one REPLICA of one MDB (that has only tables)
> with Access XP and have distributed 10 COPIES of same (Copy and
> paste) to the different ones PCs in differents cities .....
>
> QUESTIONS:
>
> 1 - When it synchronizes the 10 copies (that in fact are the same
> one, but copied) with the main design, I can experience some
> problem?

No, they are not the same. They have the same data and the same
design, but as soon as they are opened, they are no longer
identical, because each will get a new, unique ReplicaID.

> 2 - When each one of those REPLICAS generate his ID, it can happen
> that different registries are superposed, erasing data of another
> synchronization?

Eh?

A ReplicaID is a GUID, which, as the name implies, is globally
unique. It is calculated from machine-specific data and from the
time it is created and cannot collide with another GUID generated
elsewhere.

The assignment of ReplicaIDs is not something you can control, and
it's not something you should worry about.

What you've done so far is just fine. Now you have to figure out how
to synch between the replicas, in-place. That means indirect
replication, as only a LAN is sufficiently fast and reliable to
support direct replication (i.e., the kind of replication you get
from the Access user interface).

--
David W. Fenton http://www.dfenton.com/
usenet at dfenton dot com http://www.dfenton.com/DFA/
Re: REPLICA QUESTIONS
"DREAMER" <LG[ at ]ARGENTINA.COM> 16.07.2006 00:32:03
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Hello David, thanks for reply!

I even have left doubts

1 - which the best way is of synchronizing the you reply (being that you =
reply them they were created as he/she commented in the previous =
questions)?

2 - having used the tools characteristic of access originally; what is =
it more advisable?; To use same Access for the synchronization?; or the =
one "replication manager?"; Which is the appropriate way of using them =
in my case?

Thanks a lot!


Dreamer .-

PS: Sorry for my english


-------------------------------------------------------------------------=
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"David W. Fenton" <XXXusenet[ at ]dfenton.com.invalid> escribi=F3 en el =
mensaje news:Xns9800506ECE375f99a49ed1d0c49c5bbb2[ at ]127.0.0.1...
[Quoted Text]
> "DREAMER" <LG[ at ]ARGENTINA.COM> wrote in
> news:e0tgEFupGHA.2292[ at ]TK2MSFTNGP05.phx.gbl:=20
>=20
>> I have created only one REPLICA of one MDB (that has only tables)
>> with Access XP and have distributed 10 COPIES of same (Copy and
>> paste) to the different ones PCs in differents cities .....=20
>>=20
>> QUESTIONS:
>>=20
>> 1 - When it synchronizes the 10 copies (that in fact are the same
>> one, but copied) with the main design, I can experience some
>> problem?=20
>=20
> No, they are not the same. They have the same data and the same
> design, but as soon as they are opened, they are no longer
> identical, because each will get a new, unique ReplicaID.=20
>=20
>> 2 - When each one of those REPLICAS generate his ID, it can happen
>> that different registries are superposed, erasing data of another
>> synchronization?=20
>=20
> Eh?
>=20
> A ReplicaID is a GUID, which, as the name implies, is globally
> unique. It is calculated from machine-specific data and from the
> time it is created and cannot collide with another GUID generated
> elsewhere.=20
>=20
> The assignment of ReplicaIDs is not something you can control, and
> it's not something you should worry about.=20
>=20
> What you've done so far is just fine. Now you have to figure out how
> to synch between the replicas, in-place. That means indirect
> replication, as only a LAN is sufficiently fast and reliable to
> support direct replication (i.e., the kind of replication you get
> from the Access user interface).=20
>=20
> --=20
> David W. Fenton http://www.dfenton.com/=20
> usenet at dfenton dot com http://www.dfenton.com/DFA/
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<DIV>
<DIV><FONT face=3DArial color=3D#000080 size=3D2>Hello David, =
thanks for=20
reply!</FONT></DIV>
<DIV><FONT face=3DArial color=3D#000080 size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial color=3D#000080 size=3D2>I even have left =
doubts</FONT></DIV>
<DIV><FONT face=3DArial color=3D#000080 size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial color=3D#000080 size=3D2>1 - which the best way =
is of=20
synchronizing the you reply (being that you reply them they were created =
as=20
he/she commented in the previous questions)?</FONT></DIV>
<DIV><FONT face=3DArial color=3D#000080 size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial color=3D#000080 size=3D2>2 - having used the =
tools=20
characteristic of access originally; what is it more advisable?; To use =
same=20
Access for the synchronization?; or the one "replication manager?"; =
Which is the=20
appropriate way of using them in my case?</FONT></DIV>
<DIV><FONT face=3DArial color=3D#000080 size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial color=3D#000080 size=3D2>Thanks a =
lot!</FONT></DIV>
<DIV><FONT face=3DArial color=3D#000080 size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial color=3D#000080 size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial color=3D#000080 =
size=3D2>Dreamer .-</FONT></DIV>
<DIV><FONT face=3DArial color=3D#000080 size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial color=3D#000080 size=3D2>PS: Sorry for my =
english</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT>
<HR>
</DIV></DIV>
<DIV><FONT face=3DArial size=3D2>"David W. Fenton" <</FONT><A=20
href=3D"mailto:XXXusenet[ at ]dfenton.com.invalid"><FONT face=3DArial=20
size=3D2>XXXusenet[ at ]dfenton.com.invalid</FONT></A><FONT face=3DArial =
size=3D2>>=20
escribi=F3 en el mensaje </FONT><A=20
href=3D"news:Xns9800506ECE375f99a49ed1d0c49c5bbb2[ at ]127.0.0.1"><FONT =
face=3DArial=20
size=3D2>news:Xns9800506ECE375f99a49ed1d0c49c5bbb2[ at ]127.0.0.1</FONT></A><F=
ONT=20
face=3DArial size=3D2>...</FONT></DIV><FONT face=3DArial size=3D2>> =
"DREAMER"=20
<</FONT><A href=3D"mailto:LG[ at ]ARGENTINA.COM"><FONT face=3DArial=20
size=3D2>LG[ at ]ARGENTINA.COM</FONT></A><FONT face=3DArial size=3D2>> =
wrote in<BR>>=20
</FONT><A href=3D"news:e0tgEFupGHA.2292[ at ]TK2MSFTNGP05.phx.gbl"><FONT =
face=3DArial=20
size=3D2>news:e0tgEFupGHA.2292[ at ]TK2MSFTNGP05.phx.gbl</FONT></A><FONT =
face=3DArial=20
size=3D2>: <BR>> <BR>>> I have created only one REPLICA of one =
MDB (that=20
has only tables)<BR>>> with Access XP and have distributed 10 =
COPIES of=20
same (Copy and<BR>>> paste) to the different ones PCs in =
differents cities=20
...... <BR>>> <BR>>> QUESTIONS:<BR>>> <BR>>> 1 - =
When it=20
synchronizes the 10 copies (that in fact are the same<BR>>> one, =
but=20
copied) with the main design, I can experience some<BR>>> problem? =

<BR>> <BR>> No, they are not the same. They have the same data and =
the=20
same<BR>> design, but as soon as they are opened, they are no =
longer<BR>>=20
identical, because each will get a new, unique ReplicaID. <BR>> =
<BR>>>=20
2 - When each one of those REPLICAS generate his ID, it can =
happen<BR>>>=20
that different registries are superposed, erasing data of =
another<BR>>>=20
synchronization? <BR>> <BR>> Eh?<BR>> <BR>> A ReplicaID is a =
GUID,=20
which, as the name implies, is globally<BR>> unique. It is calculated =
from=20
machine-specific data and from the<BR>> time it is created and cannot =
collide=20
with another GUID generated<BR>> elsewhere. <BR>> <BR>> The =
assignment=20
of ReplicaIDs is not something you can control, and<BR>> it's not =
something=20
you should worry about. <BR>> <BR>> What you've done so far is =
just fine.=20
Now you have to figure out how<BR>> to synch between the replicas, =
in-place.=20
That means indirect<BR>> replication, as only a LAN is sufficiently =
fast and=20
reliable to<BR>> support direct replication (i.e., the kind of =
replication=20
you get<BR>> from the Access user interface). <BR>> <BR>> -- =
<BR>>=20
David W.=20
Fenton           &=
nbsp;     =20
</FONT><A href=3D"http://www.dfenton.com/"><FONT face=3DArial=20
size=3D2>http://www.dfenton.com/</FONT></A><FONT face=3DArial size=3D2> =
<BR>>=20
usenet at dfenton dot com    </FONT><A=20
href=3D"http://www.dfenton.com/DFA/"><FONT face=3DArial=20
size=3D2>http://www.dfenton.com/DFA/</FONT></A></BODY></HTML>

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Re: REPLICA QUESTIONS
"David W. Fenton" <XXXusenet[ at ]dfenton.com.invalid> 16.07.2006 01:19:53
"DREAMER" <LG[ at ]ARGENTINA.COM> wrote in
news:#xb#vAHqGHA.3908[ at ]TK2MSFTNGP05.phx.gbl:

[Quoted Text]
> 1 - which the best way is of synchronizing the you reply (being
> that you reply them they were created as he/she commented in the
> previous questions)?

The best synch method depends on the connection present. If all
replicas are accessible to each other over a LAN, or if you only
want to synch when connected to a LAN, direct replication will work.

If you need to synch over dialup, over the Internet, over a wireless
connection or over a WAN, then you need to use indirect replication.

> 2 - having used the tools characteristic of access originally;
> what is it more advisable?; To use same Access for the
> synchronization?; or the one "replication manager?"; Which is the
> appropriate way of using them in my case?

Replication manager is not really an end-user tool, in my opinion. I
would program the synch into the user application so that the users
only have to click a button or choose something from a menu.

--
David W. Fenton http://www.dfenton.com/
usenet at dfenton dot com http://www.dfenton.com/DFA/

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