SAN interconection

[Jordi Prats Català]

Hi all,
I have a MSA1000 with several hosts connected to it and another SAN with a brocade switch with other hosts. How can I connect MSA1000 and my SAN switch to allow any host to "see" disks from any SAN?

Thank you in advance!

Jordi

[skris]

Hi Jordi,
What do you mean by several hosts? you already have a switch on the MSA or is it the Hub you are talking about?

Case 1:

MSA With HUB:
*************
Connect the MSA controllers to switch and connect the hosts to the switch accordingly.

Case 2:

MSA with Switch:
****************
The MSA switches by default come with the FAB License option enabled, so you will be able to create ISL's across the switches

HOSTS
^
^
MSA_CONTROLLER_A>>SWITCH<
However before the merge, ensure that the switches are configured to have different domain numbers, similar PID settings.

THE FIRMWARE REVISION MUST BE THE LATEST FOR THE 2/8 SWITCHES to avoid compatibility issues.


To avoid confusion start with no configuration on the MSA's Brocade switches and let the Fabric Switch Manage all the config details.

[Jordi Prats Català]

Hi,
I *supose* it's the second case. How can I be sure?

best regards,
Jordi

[skris]

Pretty Simple!
Check the MSA1000 FC ports. Switches will be 2/8ports (7 External and one internal).

So you will see 7 ports on the back of either of those controllers. If not you will find Hubs that will be either 4 ports or two ports on each side.

Cheers!
Shiva

[Jordi Prats Català]

On the MSA's switch I have:

-switch1:admin> version
Kernel: 5.4
Fabric OS: v3.1.2
Made on: Wed Feb 25 18:22:56 PST 2004
Flash: Wed Feb 25 18:23:48 PST 2004
BootProm: Mon Jul 8 18:35:44 PDT 2002

The other brocade switch is:

SW200E:admin> version
Kernel: 2.4.19
Fabric OS: v5.2.0a
Made on: Thu Oct 5 21:12:17 2006
Flash: Fri Mar 30 00:54:21 2007
BootProm: 4.5.3

Do I need a trunking license?

SW200E:admin> portCfgTrunkPort 7 1
Trunking license required.

Could you provide a reference or something to do this interconnect?

Thank you!

Jordi

[Jordi Prats Català]

Hi Shiva,
Thank you! That's it, one internal and the others external where I connect hosts.

[skris]

Great!
So all you need to do now is connect the MSA's switch ports (one from each controller) to the SAN Switch.

Note: Make sure that you have the things checked on the switches (Domain ID's, zone config, PID settings etc...)

Cheers!
Shiva

[Jordi Prats Català]

I've configured:

On sw1 this zone:
port6 with SAN's WWN

On sw2 the same zone:
port1 with port0 (MSA's port)

But I can't see any new WWN in any swith... How can I debug this?

regards!
Jordi

[skris · Accepted solution]

Hi Jordi,
Could you send me the supportshow of all the three switches, name them as MSA_s1/s2... and the main switch to something else.

This does look like a configuration issue. The supportshow command can be run by telnet-ing to the switch default IP is 10.77.77.77 or through switch CLI (with default port settings)

Cheers!
Shiva

[Jordi Prats Català]

Thank you for your time!

[skris]

Hi Jordi,
The Fabric is segmented and will not work, unless these issues are resolved.

1) The Fabric license does not seem to
exist for your SW200E Switch. You have
to have the fabric license for it to
work in a fabric (group of switches and
devices). Contact ur switch vendor.

2) Set the Domain ID to 2 on MSA Switch
Run the following commands:
>switchdisable
>configure
when prompted for domain ID set it to '2'

3) Also clear any Configuration on the MSA
switch and start clean from the SW200 so
merge happens fine.

4) Once all the above mentioned issues are
clear, you should be able to use MSA and
the SW200's connected.

5) Please assign points to the answers if
you find them useful.

Cheers!
Shiva

[Jordi Prats Català]

Hi,
Can it be done without disabling SW200?

Thank you!

[Jordi Prats Català]

Sorry... I mean without disabling MSA's switch

[IBaltay]

Hi,
the latest MSA embedded switch firmware is 3.2.1c (is should be upgraded too), but this is another topic.
Back to you question:
here is the usefull document from Brocade (it is for the different FABOS version, but the basic principles are the same:
http://www.brocade.com/education_services/docs/BCAF_docs/04_53_1000853_01_
TroubleshootingGuide_v610.pdf
There is a section Segmented fabrics on page 31, you see all the conditions which can cause the fabric segmentation
and now finaly the reply to your question :-):
yes to change the domain id, you have to switchdisable before it and then after change via the fabricshow you will most probably see your switch beeing the member of the fabric yet...

[IBaltay]

to be sure that the link will work here it is once more :-):
http://www.brocade.com/education_services/docs/BCAF_docs/04_53_1000853_01_TroubleshootingGuide_v610.pdf

[skris]

Hi IB,
Nice collection of documents there. Jordi, the merge will not be complete unless you have a FABRIC license on your External Brocade switch.

So you have to get the License for the puzzle to be complete :)

Cheers!
Shiva

[Jordi Prats Català]

Thank you!