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connetrix (fiber switch) in HA configuration with same domain ID
We have 2 64-ported fiber switch (connectrix).
These are configured as fcd domain id 97 (0x61).
Our hosts have 2 HBAs. Each HBA is connected to one port on each switch. So, each HBA goes to a separate switch.
These switches connect to symmetrix (dmx2000) on the backend.
powerpath is used on the hosts.
When I do ioscan -fC disk on the hp servers, for both HBA cards, I get this path
1/0/2/1/0/4/0.97.60.19.3.4.5
1/0/4/1/0/4/0.97.60.19.5.4.5
Usually, we see, second fiber switch configured as id=98 (0x62). So, the hp h/w path shows 98 in place of 97, avoiding confusion.
Now, the server is doing good. We have data going thru both HBAs (load balanced by powerpath).
My question is, whether this kind of switch configuraton is right, as you know, the switch are gives IDs 97 and 98? What kind of impact this has? If one of the switch goes down, then 97 is down, does it mean, all IO is stopped?
Thank you all.
Ra Jos
These are configured as fcd domain id 97 (0x61).
Our hosts have 2 HBAs. Each HBA is connected to one port on each switch. So, each HBA goes to a separate switch.
These switches connect to symmetrix (dmx2000) on the backend.
powerpath is used on the hosts.
When I do ioscan -fC disk on the hp servers, for both HBA cards, I get this path
1/0/2/1/0/4/0.97.60.19.3.4.5
1/0/4/1/0/4/0.97.60.19.5.4.5
Usually, we see, second fiber switch configured as id=98 (0x62). So, the hp h/w path shows 98 in place of 97, avoiding confusion.
Now, the server is doing good. We have data going thru both HBAs (load balanced by powerpath).
My question is, whether this kind of switch configuraton is right, as you know, the switch are gives IDs 97 and 98? What kind of impact this has? If one of the switch goes down, then 97 is down, does it mean, all IO is stopped?
Thank you all.
Ra Jos
