Re: [PEDA] Multiple database users

2002-01-29 Thread Abd ul-Rahman Lomax

At 09:35 PM 1/28/2002 -0500, Darryl Newberry wrote:
Side note on OS's: sch_user running Windows 2000 Pro, pcb_user running
Windows XP Pro.

Side note on side note: that *might* be the crux of the problem. Protel 
99SE was NOT written and tested for compatibility with WXP

I'll repeat, also, one of my standard comments: where you are doing 
something that nearly everyone else does, you will almost always find that 
the program works either perfectly or very well. Off the beaten path there 
are more bugs and quirks. It's fairly obvious why, and one may scream and 
rail at Protel, but, if the software continues to develop new features -- 
and it must -- it will always be true that, relatively speaking, oft-used 
features are more reliable and stable.

At some point we should run a good survey, but I'd guess that the large 
majority of us never have multi-user access to a single .ddb. So, even 
though it works (maybe), I'd hate to bet my company on it back up early 
and often. And squawk here if any aspect of it does not work, and to Protel 
if you want to frost the cake. That way, succeeding versions are more 
likely to be stable in this aspect.

We are told we are getting at least one new storage option in Phoenix, 
lousy name but it's all we've got, plus the claim is that we will be able 
to work freely with bare files, no more obligatory .ddb.
[EMAIL PROTECTED]
Abdulrahman Lomax
Easthampton, Massachusetts USA

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Re: [PEDA] Multiple database users

2002-01-29 Thread Jason Morgan

, synchronizer

What is the problem with the synchronizer - I have not found anything I 
think is broken with it?


It fails sometimes - well sort of anyway.

On our relatively complex designs, update PCB sometimes misses out changes,
we have a rule that
it should be run 3 or more times to ensure all of the changes go across.

Can't give any specific examples - its not me that drives it, but I've seen
it happen.

Jason.

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Re: [PEDA] Multiple database users

2002-01-29 Thread Jason Morgan

We've banned use of multiple users as it seems the semantics round it are
broken.

Under SP6:
If use A opens the file, followed by user B, the file it not locked by
default, user A must lock it
manually (I'm sure unlike earlier versions)

If user A forgets to lock it, B can open it, change it and save, when A
later saves, B's changes are lost.

Protel's muli-user controls are next to useless (and not integrated with
windows users).

Considering that this is one of the major selling points of P99, its a bit
of a shame.

Lets hope that this is one of the things that Protel 'fix' in Phoenix.


j.


-Original Message-
From: Abd ul-Rahman Lomax [mailto:[EMAIL PROTECTED]]
Sent: 29 January 2002 12:35
To: Protel EDA Forum
Subject: Re: [PEDA] Multiple database users


At 09:35 PM 1/28/2002 -0500, Darryl Newberry wrote:
Side note on OS's: sch_user running Windows 2000 Pro, pcb_user running
Windows XP Pro.

Side note on side note: that *might* be the crux of the problem. Protel 
99SE was NOT written and tested for compatibility with WXP

I'll repeat, also, one of my standard comments: where you are doing 
something that nearly everyone else does, you will almost always find that 
the program works either perfectly or very well. Off the beaten path there 
are more bugs and quirks. It's fairly obvious why, and one may scream and 
rail at Protel, but, if the software continues to develop new features -- 
and it must -- it will always be true that, relatively speaking, oft-used 
features are more reliable and stable.

At some point we should run a good survey, but I'd guess that the large 
majority of us never have multi-user access to a single .ddb. So, even 
though it works (maybe), I'd hate to bet my company on it back up early 
and often. And squawk here if any aspect of it does not work, and to Protel 
if you want to frost the cake. That way, succeeding versions are more 
likely to be stable in this aspect.

We are told we are getting at least one new storage option in Phoenix, 
lousy name but it's all we've got, plus the claim is that we will be able 
to work freely with bare files, no more obligatory .ddb.
[EMAIL PROTECTED]
Abdulrahman Lomax
Easthampton, Massachusetts USA

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Re: [PEDA] Multiple database users

2002-01-28 Thread JaMi Smith

Darryl 

Sounds like you are attempting to have 2 different people do 2 different
things to the same file at the same time (under the new Protel database
structure). 

1. Not a real good idea, and if you really want to do this on a regular
basis, I would recommend your going back to the old file structure which
uses individual files, and thus will not cause these problems. If you
are sure that you want to do this, and keep the database file structure,
you better define just who has what specific responsibility to what part
of the database file, and how the two different people are going to
integrate their joint design.

2. In theory, you should be able to share the file, and spefically the
individual components of the database, which are infact files
themselves, but Protel does not seem to understand that sometimes, and
sometimes simply cannot seem to find the file (especially if it is
already opened by another process). I say sometimes here because it
appears that Protel is not completely consistant in it's behavior all of
the time when it comes to multiple instances or processes and file
sharing, (at least with my installation).

JaMi Smith
Optical Crossing Inc.

* * * * *

-Original Message-
From: Darryl Newberry [mailto:[EMAIL PROTECTED]] 
Sent: Monday, January 28, 2002 2:23 PM
To: 'Protel EDA Forum'
Subject: [PEDA] Multiple database users

We have a two-seat license. I can't seem to get the 2nd user logging
into
the DDB. I set a password for user Admin, then added 2 users and
passwords
with full privileges (R,W,D,C). I'll call them pcb_user and sch_user.
The
database is stored on pcb_user's hard drive, I'll call it pcb.ddb. 

When pcb_user opens pcb.dbb he gets a logon box. He enters his user
name
and password and the ddb loads fine. When sch_user tries to open the ddb
he
doesn't get the logon box, he gets the new design database dialog with
the
file name filled in as pcb1.ddb. Apparently Protel wants to open a
copy of
it instead of sharing. How do I correct this behavior to allow sch_user
to
open the database stored on pcb_user's computer? 

Darryl Newberry
Freedom Scientific
11800 31st Court N
St Petersburg FL 33716
(727) 803-8000 tel
(727) 803-8001 fax
http://www.freedomscientific.com
 

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Re: [PEDA] Multiple database users

2002-01-28 Thread Darryl Newberry

JaMi,

Thanks for the info. It seems that every time I use a Protel feature other
than basic sch  pcb editing features, there is always some weird problem,
limitation, or crash associated with it. The list so far includes
simulation, library mgmt, autoroute, synchronizer, 3D view, and now sharing,
and probably some more stuff I can't think of right now. But it works well
enough to build boards, and that is the whole point I suppose. 

Anway, back on topic, it seems the sharing problem corrected itself...

Sequence of events/actions:
1. pcb_user opens the DDB locally, gets login box as expected. 
2. sch_user unable to open remotely, Protel wants to open a copy instead.
3. pcb_user closes the DDB, exits Protel.
4. sch_user opens the DDB remotely, does not get login box, but now able
to successfully open the DDB on the remote computer.
5. sch_user closes the DDB.
6. Now, upon opening the DDB, both users get login box, i.e. DDB is shared
correctly. 

Strange bug. 

Perhaps the bigger story in this experience...In the midst of this there was
a dreaded GPF on sch_user while attempting to open the DDB remotely. Upon
opening the DDB on pcb_user we were horrified to see that THE ENTIRE 27MB
DDB WAS EMPTY! We were relieved that we had previously enabled auto-save--we
were able to restore the DDB by importing the discrete backup files. Whew!
Close one.

Side note on OS's: sch_user running Windows 2000 Pro, pcb_user running
Windows XP Pro.


 -Original Message-
 From: JaMi Smith [mailto:[EMAIL PROTECTED]]
 Sent: Monday, January 28, 2002 20:31
 To: Protel EDA Forum
 Cc: JaMi Smith
 Subject: Re: [PEDA] Multiple database users
 
 
 Darryl 
 
 Sounds like you are attempting to have 2 different people do 
 2 different
 things to the same file at the same time (under the new 
 Protel database
 structure). 
 
 1. Not a real good idea, and if you really want to do this on 
 a regular
 basis, I would recommend your going back to the old file 
 structure which
 uses individual files, and thus will not cause these problems. If you
 are sure that you want to do this, and keep the database file 
 structure,
 you better define just who has what specific responsibility 
 to what part
 of the database file, and how the two different people are going to
 integrate their joint design.
 
 2. In theory, you should be able to share the file, and spefically the
 individual components of the database, which are infact files
 themselves, but Protel does not seem to understand that sometimes, and
 sometimes simply cannot seem to find the file (especially if it is
 already opened by another process). I say sometimes here because it
 appears that Protel is not completely consistant in it's 
 behavior all of
 the time when it comes to multiple instances or processes and file
 sharing, (at least with my installation).
 
 JaMi Smith
 Optical Crossing Inc.
 
 * * * * *
 
 -Original Message-
 From: Darryl Newberry [mailto:[EMAIL PROTECTED]] 
 Sent: Monday, January 28, 2002 2:23 PM
 To: 'Protel EDA Forum'
 Subject: [PEDA] Multiple database users
 
 We have a two-seat license. I can't seem to get the 2nd user logging
 into
 the DDB. I set a password for user Admin, then added 2 users and
 passwords
 with full privileges (R,W,D,C). I'll call them pcb_user and sch_user.
 The
 database is stored on pcb_user's hard drive, I'll call it pcb.ddb. 
 
 When pcb_user opens pcb.dbb he gets a logon box. He enters his user
 name
 and password and the ddb loads fine. When sch_user tries to 
 open the ddb
 he
 doesn't get the logon box, he gets the new design database 
 dialog with
 the
 file name filled in as pcb1.ddb. Apparently Protel wants to open a
 copy of
 it instead of sharing. How do I correct this behavior to 
 allow sch_user
 to
 open the database stored on pcb_user's computer? 
 
 Darryl Newberry
 Freedom Scientific
 11800 31st Court N
 St Petersburg FL 33716
 (727) 803-8000 tel
 (727) 803-8001 fax
 http://www.freedomscientific.com
  
 

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Re: [PEDA] Multiple database users

2002-01-28 Thread Darryl Newberry

 What is the problem with the synchronizer - I have not found 
 anything I think is broken with it?

Forward works OK I guess for most things. I've seen it occasionally not
update PCB footprints consistently, as discussed elsewhere on the list.
Reverse--lotsa luck! Macros not supported, etc. 

Again, useful enough, but not the all-singing all-dancing that is touted in
the sales literature. 

PCAD of old (DOS v 4.5?) actually back-annotated electrical changes to the
schematic, if they weren't too severe. Much better for optimizing the
layout. Fully supported component, pin, and gate swaps, even for connectors.
You could easily get into serious confusion though...but hey, it didn't
prevent you from doing so! :-)

Darryl Newberry
Freedom Scientific
11800 31st Court N
St Petersburg FL 33716
(727) 803-8000 tel
(727) 803-8001 fax
http://www.freedomscientific.com
 

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Re: [PEDA] Multiple database users

2002-01-28 Thread Emanuel Zimmermann

Darryl,

Darryl Newberry wrote:

 
 Side note on OS's: sch_user running Windows 2000 Pro, pcb_user running
 Windows XP Pro.
 
 
I suppose this side note hits the point. Not really sure who 

to punish for this bug, Protel or µsoft!


What I can state is that we also work with the ddb structure 
and the ddb's all are set up for multi user with different 
privileges. No such problems with this up to now. We all 
have NT4 on our workstations and a separate NT4 server 
storing all hot data with daily backup.

What I'm missing on the multi user setup is an intelligent 
file locking feauture to prevent interfering changes to 
individual files within the ddb. The manual file locking is 
not what I'm dreaming of - especially when you have to 
unlock the file for each file save even if you are the user 
that locked this particular file for exclusive editing. In 
early P99 versions saving of locked files was possible for 
the user that locked them. This was lost with one of the 
early service packs and never brought back even not when I 
reported this together with some ideas for improving the 
file locking functionality to protel europe. I did this two 
or three times by phone and email and besides the oh, good 
idea comment on the phone never got a useful answer. So, 
long speech short meaning: The Workgroup feauture seems to 
be another of those promising marketing arguments for the 
Protel sales people that is not in the main focus of the 
Protel programmers!

Despite this I keep on setting up ddb's as multi user 
capable hoping the day comes that it really becomes useful! 
(As long one is able to dream, his soul is living)

Emanuel



-- 


MPL AG  www.mpl.ch
Emanuel Zimmermann  [EMAIL PROTECTED]
Manager RD Phone: +41 (0)56 483 34 34
Taefernstrasse 20   Fax:   +41 (0)56 493 30 20

CH-5405 Daettwil


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