🚀 go-pugleaf

Hi

why the scsi is your main suspect ? I said that the problem I experiened was
network performence oriented.

I have a feeling your are right , but why the scsi ?

Moshe

In article <37c3fc0b.427220285@news.atl.bellsouth.net>,
  noone@bellsouth.net (Jim) wrote:
> It feels like it must be in the drive subsystem, if the rest of the hardware and
> the software config is so identical.
>
> Why RAID 0 on the two 4.5G's, which I assume are system drives? Can they be set
> up as RAID 1?
>
> Are all the drives on the same SCSI Channel? If so, can they be seperated onto
> two channels? In general, I'd look closely at the SCSI config.
>
> JimR
>
> Moshe <moshem@email.com> wrote:
>
> >Hi
> >
> >
> >I created an TCP/IP Server that accepts connections from about 300 sockets
> >and keeps them alive , when one socket sends a request the app understande it
> >, query a local Infomix server , takes the data and send it over back via the
> >same socket.
> >
> >
> >I have used I/O completion ports ( Windows NT ) to implement the I/O requrest
> >queues .
> >
> >I developend the app on a IBM Intellistation with 2 Intel Pentium III 500
> >cpu's and 256MB of RAM , it worked great , the entire process takes about
> >20-45 ms for each request-query-send cycle!
> >
> >Now I bought a larger server configuration for my actual platform , it's an
> >IBM Netfinity 5500 M20 , with 2 Intel Pentium III 500 XEON 512KB cpu's and
> >same configuration for the other components as the Intellistation.
> >
> >the only difference is the RAID card that is suppose to be stronger on the
> >netfinty.
> >
> >
> >to my horror , I found at first that I got 500ms for the enitre process !! I
> >reinstaled all the hardware and software and now I get ~90ms.
> >
> >still , I pointed it out no to be an informix problem ( at least with the
> >query ) that is the same time.
> >
> >What I did notice is the recieve cycle ( actuall made out of select , recv )
> >takes twice the time , and the send cycle take about the same .
> >
> >I disable the onboard adapter and installed an Intel PRO 100  , the results
> >are the same.
> >
> >this is the nefinity configuration :
> >
> >
> >Netfinity 5500 M20
> >
> >2 x CPU Pentium III 500 XEON 512K
> >
> >256MB RAM ECC
> >
> >OnBoard AMD Fault Tolorent Adapter 10/100
> >    also tried Intel Pro 100 PCI
> >
> >2 x 4.5GB HDD , one logical drive ,config as Raid 0
> >
> >40GB Hdd's , one logical drive , config as Raid 5
> >
> >Windows NT 4 SP 4 ( 1-4 cpu edition )
> >
> >Informix 7.30
> >
> >IE 4
> >
> >ALL services are idential
> >all system parameters are identical.
> >
> >
> >
> >
> >can some one give me a hint of what is going on , why a huge server can't get
> >the same results as a workstation that costs half as much ?
> >
> >
> >any help is greatly appreciated !
> >
> >Moshe
> >
> >
> >
> >
> >
> >
> >Sent via Deja.com http://www.deja.com/
> >Share what you know. Learn what you don't.
>
>


Sent via Deja.com http://www.deja.com/
Share what you know. Learn what you don't.