Date   

Re: Two PC's and MSG

sbu979r
 

David,

I have four PC's and I wish to network two from the following to receive MSG.

1. 900MHz/256Mb Win98SE
2. 2GHz/512Mb Win98SE
3. 1GHz/768Mb Win98SE
4. 1.8GHz/512Mb XP Pro

I am not sure which to choose to get optimum performance. As you can see
three use Win98SE and one XP Pro.

Regards,

Basil Haigh Pritchard


Re: Failed hack!

Roger Mawhinney <roger@...>
 

Thanks Alan
Should have picked up on that one. :-(
Roger

|-----Original Message-----
|From: Alan Sewards [mailto:alan.sewards@...]
|Sent: 29 December 2003 19:29
|To: MSG-1@...
|Subject: Re: [MSG-1] Failed hack!
|
|Roger,
| The delayed Write failure causes bad data to be written to
|all drives on the system, so once it happens you are dead in the water.
|
|Alan
|
|----- Original Message -----
|From: "Roger Mawhinney" <roger@...>
|To: <MSG-1@...>
|Sent: Monday, December 29, 2003 6:19 PM
|Subject: RE: [MSG-1] Failed hack!
|
|
|> Alan
|> I can't understand why you had to format your D: drive. I
|set my systems
|up
|> with multiple partitions precisely for the reason that I can reload
|Windows
|> and programs on the C: (formatting if necessary), yet
|preserve data and
|> downloads on my other partitions.
|> Regards
|> Roger
|>
|> ... I only finally (I
|> |hope) cleared things up when I replaced the C: drive with
|> |another new one and reformatted the D: drive on another computer.
|> | Happy reception - Alan
|> |
|> |Alan Sewards
|> |email: alan.sewards@...
|> |web site: http://asewards.free.fr
|> |
|> |
|> |
|>
|>
|>
|> To unsubscribe from this group, send an email to:
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Re: Is FSD still on?

Paul Telco <paul@...>
 

David,

Yes, that explains it, they're coming in nicely now.

Thanks,

Paul




--- In MSG-1@..., "David Taylor" <david-taylor@b...>
wrote:
--- In MSG-1@..., "Paul Telco" <paul@t...> wrote:
Hello,

For the first time in months I thought I would look at some FSD
images and found that I am no longer receiving them.
You will need to wait until about 90 minutes after the images are
made, so about 16:30 before you can expect the 15:00 images to
come
in.

Cheers,
David


Re: Failed hack!

Alan Sewards <alan.sewards@...>
 

Roger,
The delayed Write failure causes bad data to be written to all drives on
the system, so once it happens you are dead in the water.

Alan

----- Original Message -----
From: "Roger Mawhinney" <roger@...>
To: <MSG-1@...>
Sent: Monday, December 29, 2003 6:19 PM
Subject: RE: [MSG-1] Failed hack!


Alan
I can't understand why you had to format your D: drive. I set my systems
up
with multiple partitions precisely for the reason that I can reload
Windows
and programs on the C: (formatting if necessary), yet preserve data and
downloads on my other partitions.
Regards
Roger

... I only finally (I
|hope) cleared things up when I replaced the C: drive with
|another new one and reformatted the D: drive on another computer.
| Happy reception - Alan
|
|Alan Sewards
|email: alan.sewards@...
|web site: http://asewards.free.fr
|
|
|



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Re: Failed hack!

Roger Mawhinney <roger@...>
 

Alan
I can't understand why you had to format your D: drive. I set my systems up
with multiple partitions precisely for the reason that I can reload Windows
and programs on the C: (formatting if necessary), yet preserve data and
downloads on my other partitions.
Regards
Roger

... I only finally (I
|hope) cleared things up when I replaced the C: drive with
|another new one and reformatted the D: drive on another computer.
| Happy reception - Alan
|
|Alan Sewards
|email: alan.sewards@...
|web site: http://asewards.free.fr
|
|
|


Re: Failed hack!

David J Taylor GM8ARV 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇪🇺
 

The items I changed were DisablePagingExecutive and
LargeSystemCache. Well, what a disaster!

No a good choice, Alan! Sorry to hear about the problem.

See:
http://support.microsoft.com/default.aspx?kbid=323608

"SYMPTOMS
Your computer may stop responding (hang) if you run Windows 2000
with the DisablePagingExecutive setting turned on.

"CAUSE
The problem occurs because memory management does not return the
resident available pages that are used by a driver when the driver
is unloaded from the session space. This causes Windows to act as if
it has no available physical memory.

"STATUS
Microsoft has confirmed that this is a problem in the Microsoft
products that are listed at the beginning of this article. This
problem was first corrected in Microsoft Windows 2000 Service Pack
4."

-----------------------------

If you had installed the Command Console, you may have been able to
change the registry entry by booting to the "Windows Recovery
Console". It's available for Windows 2000 and XP. Might not work
if you have damaged the hard disk structure though.

Better luck next year!
David


Re: Two PC's and MSG

David J Taylor GM8ARV 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇪🇺
 

--- In MSG-1@..., "sbu979r" <basilhaigh@a...> wrote:

Hello,
For the reception of MSG using two PC's of different
specification,would it be better to place the hardware on the
slowest
machine and the software on the fastest, or vice versa?
I would be grateful for your suggestions.

Basil Pritchard
Reception needs about 500MHz/256MB, processing ideally 1GHz+ and
512MB-1GB. What spec is your slower PC?

David


Re: Is FSD still on?

David J Taylor GM8ARV 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇪🇺
 

--- In MSG-1@..., "Paul Telco" <paul@t...> wrote:
Hello,

For the first time in months I thought I would look at some FSD
images and found that I am no longer receiving them.
You will need to wait until about 90 minutes after the images are
made, so about 16:30 before you can expect the 15:00 images to come
in.

Cheers,
David


Two PC's and MSG

sbu979r
 

Hello,
For the reception of MSG using two PC's of different
specification,would it be better to place the hardware on the slowest
machine and the software on the fastest, or vice versa?
I would be grateful for your suggestions.

Basil Pritchard


Failed hack!

Alan Sewards <alan.sewards@...>
 

Hi folks,
Being very interested in what the Windows cache is up to, when I came
across a hack which was supposed to improve the performance of the cache and
I/O I thought I'd try it. It came from a respectable source. (David
recommended the LargeSystemCache one some months ago!) The items I changed
were DisablePagingExecutive and LargeSystemCache. Well, what a disaster! As
soon as I restarted the machine, I got Delayed Write Failure
messages continuously and never succeeded in rebooting. Using the WinXP
CDROM to repair the system did not work as the HD was obviously affected, I
got endless error messages, blue screens of death, the lot. In the end I had
to reformat the C: drive and re-install Windows XP a number of times (seven
in all!) and then reload all the software and configure it again - a real
chore which took up most of Sunday and Monday. I also lost all data on the
d: drive - two months of MSG-1 images! One positive side to
this was that I looked on the web for info on the Delayed Write Failure
phenomenon and there was lots. I found the registry hacks mentioned, but as
well Maxtor drives and ATI graphics cards were blamed. Microsoft even has
Notes on the subject, blaming it on the use of 40 wire cables on the IDE
drives, setting the UDMA too fast, or using write caching on the drives.
You really don't want to catch this problem, it is worse than any virus
as it means a re-install every time you boot up and get the bad messages, as
they mean the disk(s) is trashed. You can only make limited changes each
time, so it means a couple of hours goes with each iteration. I only finally
(I hope) cleared things up when I replaced the C: drive with another new one
and reformatted the D: drive on another computer.
Happy reception - Alan

Alan Sewards
email: alan.sewards@...
web site: http://asewards.free.fr


Re: Is FSD still on?

James Brown
 

In message <bsphij+i4cm@...>, Paul Telco <paul@...> writes
Hello,

For the first time in months I thought I would look at some FSD
images and found that I am no longer receiving them.

I am still getting LRIT though and both LRIT and FSD are selected to
decode all channels from my MSGDataManager setup tab. Is FSD still
being disseminated by MSG-1? is it still PID 301 (Decimal) along
with LRIT?

Thanks,

Paul
Coming in fine here Paul - sorry to say for you!

James
--
James Brown


Re: Is FSD still on?

Nicola <scsebnic@...>
 

Hi Paul,

I'm receiving FSD regurarly, the PID is still 301.

Regards

Nicola

----- Original Message -----
From: Paul Telco
To: MSG-1@...
Sent: Monday, December 29, 2003 4:34 PM
Subject: [MSG-1] Is FSD still on?


Hello,

For the first time in months I thought I would look at some FSD
images and found that I am no longer receiving them.

I am still getting LRIT though and both LRIT and FSD are selected to
decode all channels from my MSGDataManager setup tab. Is FSD still
being disseminated by MSG-1? is it still PID 301 (Decimal) along
with LRIT?

Thanks,

Paul





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Is FSD still on?

Paul Telco <paul@...>
 

Hello,

For the first time in months I thought I would look at some FSD
images and found that I am no longer receiving them.

I am still getting LRIT though and both LRIT and FSD are selected to
decode all channels from my MSGDataManager setup tab. Is FSD still
being disseminated by MSG-1? is it still PID 301 (Decimal) along
with LRIT?

Thanks,

Paul


Re: Segment Loss

Ian S Deans <ian@...>
 

Sorry "typo" error should of course have read channel 2 and 3

Ian.

----- Original Message -----
From: "Ian S Deans" <ian@...>
To: <MSG-1@...>
Sent: Sunday, December 28, 2003 12:37 PM
Subject: Re: [MSG-1] Re: Segment Loss


Roger,
Unfortunately we have to take everything that comes in on channel 1 and 2


Re: Segment Loss

David J Taylor GM8ARV 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇪🇺
 

--- In MSG-1@..., "Ian S Deans" <ian@i...> wrote:
[]
If all fails I will need to get my Athlon 3200 on order.
Ian, rather than waste money on a fatser processor, perhaps get a
second-hand 500MHz/256MB PC (main box only) for reception only, and
network it with the present system? There will be plenty of people
with such a spare system around (I have one - make me an offer!)
Your existing keyboard, monitor and mouse can be used (KVM switch)
and you can get advice from Douglas on networking!

Cheers,
David


Re: Segment Loss

David J Taylor GM8ARV 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇪🇺
 

--- In MSG-1@..., "Ian S Deans" <ian@i...> wrote:
[]
Unfortunately we have to take everything that comes in on channel
1 and 2 even although David's program will quickly delete the data
we are not wanting.


That's channels 2 and 3, actually. But it raises a point I made
much earlier on. Would it be better for Eumetsat to split the data
into rather more than 2 channels? For example, anyone getting HRIT
doesn't need the LRIT MSG-1 data, but does want the MSG-1 foreign
satellite data. Equally, those not licenced for MDD don't need to
take it. Finally, it might be useful to have two HRIT data streams,
primary with the same channels as LRIT currently (say), and
secondary with the remaining channels, and perhaps HRV on its own
channel.

Whether this would exacerbate the segment and prolog ordering issues
we see, I don't know. Is this even possible, I don't know. I would
certainly like to see finer-grained control over the data you need
to ingest.

Cheers,
David


Re: Segment Loss

David J Taylor GM8ARV 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇪🇺
 

--- In MSG-1@..., Arne van Belle <a.van.belle@h...>
wrote:
Hello Ian,

I don't know if this has been discussed before (long thread) but
based on
your problem I guess a fragmented disc could be the cause.
My current recommendation is to schedule defragmentation once a week
for each disk, and to set the defrag to run at Low priority. My
recommended program is Executive Software's Diskeeper.


At Windows install I configured the swap space on the second
partition (D:) and fixed the size to 3 times the amount of RAM.
This way you can be sure that this part of the disc is reserved and
will never become fragmented by other files.

Agreed completely about fixing the pagefile, I sometimes use 2 x
RAM, and sometimes 3 x RAM depending on the applictions I expect to
run. It is best on a second physical spindle, just putting it on a
second partition may simply cause more head movement. However, it
should most certainly be contiguous for optimum system performance,
which means configuring it correctly very early on in the
installation sequence.

The other thing to watch out for is overfilling a disk. This can
cause fragmentation of the master file table (MFT) and an off-line,
boot time defragment is required to cure that. Much better not to
let it happen. If your partition gets above 85% full, you can get
problems.

Cheers,
David


Re: Segment Loss

Ian S Deans <ian@...>
 

Hello Arne,

Many thanks for your mail. I do defrag. very regularly ( every second day at
the moment ) but even at that the drive gets very badly fragmented very
quickly. I too have fixed the swap space to approx. twice my ram.
I do not have a second partition, but I think I will take your advice in
your last paragraph re getting the swapspace on a free part of the drive.
If all fails I will need to get my Athlon 3200 on order.

Appreciate your help.

Regards

Ian.


Re: Segment Loss

Ian S Deans <ian@...>
 

Roger,

Thanks for your mail and advice. I will certainly have a look at that and
see what shows up. From Boxing day there has been a little improvement and
if I leave the computer solely for MSG segment loss is not serious, probably
less than 10 in 12/14 hours. However I need to use the computer for
internet, mail etc and of course animations and segment loss increases
significantly then. Strangely enough being on line is not a major cause of
lost segments, but if I try to prepare mail, delete mail etc ( off line )
segment loss increases.
All very strange and frustrating given that up to the 17/12/03 I had little
or no problems for the first 3 months. I do accept though that an Athlon
1200 with 768mb of PC 100/133 ram ( although 7200 HD ) is probably pushing
things a bit when you consider the amount of data that is flying in.
Unfortunately we have to take everything that comes in on channel 1 and 2
even although David's program will quickly delete the data we are not
wanting.

Thanks again for your help --- very much appreciated.

Regards

Ian.


Re: Segment Loss

a_van_belle
 

Hello Ian,

I don't know if this has been discussed before (long thread) but based on
your problem I guess a fragmented disc could be the cause.
Noticed too last month on my PIII (1 GHz, 512 Mb) that performance went
down and lost segments went up.
After running for months, the disc had become so fragmented that every disc
action was taking longer to complete.

Only taking the system off-line, deleting the *.fsy files from tellique and
defragmenting 3 times solved this.
Defragmentation the first time took long and left a lot of fragments on the
disc, so I started it over and over until all was "blue"

And Windows default settings do worsen this problem as by default Windows
will resize it's disc swap space whenever needed.
On a very fragmented disc, this will cause a swap space consisting of many
small chunks, lowering performance even more.
At Windows install I configured the swap space on the second partition (D:)
and fixed the size to 3 times the amount of RAM.
This way you can be sure that this part of the disc is reserved and will
never become fragmented by other files.

If you don't have a second partition you can improve by first setting
swapspace fixed and to a minimum, reboot, defragment and then set the
swapspace fixed to the recommended size and reboot again! This way the
newly created space should be placed on a free, not-fragmented part of the
disc.


Greetings,
Arne van Belle