These types of discussions should be taken up with IB technology / OEM vendors directly as they have nothing to do with development.
Mike
At 06:28 AM 10/15/2005, Mohit Katiyar, Noida wrote:
Hi all,
Sorry previous mail got scrapped due to HTML pictures so now with text
pictures
I just cant clear a doubt about IB.
In the first figure given below the max speed that can be obtained
between the client and the IO storage is 2Gb/s
Client --------|
Client --------||--- FC Switch---|
.| | |
.|---FC Cables--| |-----I/O storage
.| Each client | |
Client --------|connected |--- FC Switch---|
To both switch
Figure 1
While in the figure given below the client to IB FC gateway speed is >
10 GB/s and from Gateway to I/O storage is 2GB/s and if port aggregation
is applied at gateway then 4GB/s. So the total effective speed from
client to I/O storage can max be reached at 4GB/s
IB cables
Client --------|
Client --------||----- FC
Switch---|
.| IB cables |
|
.|------------IB FC ------ | |---FC
Cables------I/O storage
.| Gateway/Router |
|
Client --------||----- FC
Switch---|
Figure 2
So can anyone explain me am I correct in my approach? Are there any
other advantages in shifting from figure 1 architecture to figure 2
architecture?
It does not seem any advantageous in shifting from FC SAN to IB FC SAN
through such a pattern?
Can anyone help me in deciding about this??
Thanks in advance
Mohit Katiyar
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