Hi LWD, P.senthilruban,
Thanks for the info. I am still in the definition phase of the project and I
don't have a network, and it will take a while for a project of this size.
We have planed on using optical backbones (every floor 1 cable) so for a .
building with 5 floors I would have 5 cables going verticaly. Perhaps I can
separate the cables on each floor and plug them into a switch thereby
getting spanning tree protocol sort of connection.
> - heart beat is also a beautifully option for servers
> ( virtual servers are
> nice also but I worked with heart beat, so I can
> recommend it)
Here is what I came up with (don't know if it would work) and correct me if
it looks stupid.
m. = master
s. = slave
client -------- m.director ----- m.app server ----- m.director - m.DB
s.director s.app server s.director s.DB
m.file server
s.file server
DHCP/DNS/LDAP server
sendmail server
b a c k u p s e r v e r
This configuration looks like RAID1, but I am not sure if the DB part will
work I have never tried something like this nor have I seen it.
Does it make sence to make something like this...
Out of this, how many servers do I need for about 1100 workstations and
ensuring 24/7 work, can I optimize this.. what do you suggest.
I was planing on using Ultramonkey (did not work with it either but I need
something that is easy to implement)
What type of servers do you recomend and what hardware configuration for
each of those above.
I was planing on using hardware raid0+1(raid 10) or raid 5, why do you
suggest software raid.
> - a good database; you choose! (I choose posgres.
> 3-500.000 patients may lead
> to 20.000.000 records. Postgres is good for this,
> of course many others are
> good too).
I am a mySQL person... is postgres better than mysql for this amount of
data, what about replication? If I have a Raid10 with 4 x 146 GB SCSI = 296
GB isn't that enough for about 20.0000.000 records??? What about MaxDB???
any expirience with it?
> - a LDAP, Radius or Kerberos server is nice to have
>
> Anyhow is a HUGE work even for a team, but you can
> handle alone in more steps
I am planing all the steps neccesary and my biggest problem are the servers.
I want to build a bullet proof thing so that I can focus more on CARE2x.
I was planing to write an white paper after I do all the planing.
thanks for your help guys
Emir
> if you have no choice. So what can I say more than
> "GOOD LUCK my friend
> wherever you are!"
>
> Regards,
> lwd.
>
>
>
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