basic question of zoning

Answered Question
Aug 16th, 2010

Hi,

I am a newbie to san environment. i have a basic question about zone changes.

how do we change wwn for a zone after replacing faulted hba?

i read something like this.. we need to create a clone of the active zoneset and change the wwn and activate it. my understanding is correct?( is there any command for rename the fcalias memeber?)

is there any change in the above procedure for fcaliases or device aliases?

Thanks,

Uma

I have this problem too.
0 votes
Correct Answer by dynamoxxx about 6 years 3 months ago

First you need to enter config mode and then remove WWN for old HBA and add WWN for new HBA and re-activate zone set, no need to create new zones.

config

fcalias name AliasSample vsan 3

no member pwwn 10:00:00:23:45:67:89:ab  <- old HBA

member pwwn 10:00:00:25:43:6767:34

after this activate zoneset and you are done.

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Correct Answer
dynamoxxx Mon, 08/23/2010 - 21:06

First you need to enter config mode and then remove WWN for old HBA and add WWN for new HBA and re-activate zone set, no need to create new zones.

config

fcalias name AliasSample vsan 3

no member pwwn 10:00:00:23:45:67:89:ab  <- old HBA

member pwwn 10:00:00:25:43:6767:34

after this activate zoneset and you are done.

umashankar79 Wed, 09/01/2010 - 04:52

Thanks Dynamoxx.

can you please give me instructions for device alias for the same case.

Thanks.

Uma

mohdzuwairi9 Wed, 12/15/2010 - 19:37

config

no device-alias name Device1 pwwn Pwwn1

device-alias name Device1 pwwn Pwwn2

dev commit

verify on zone and zoneset

show zone

zone commit vsan X

show zoneset active vsan X

zoneset activate name zoneset-X vsan X

I do this on my mds 9509, somehow it works...

Michael Brown Thu, 12/16/2010 - 06:19

You need to be running Enhanced Device Alias for the zone change to be automatic.  In enhanced mode, the zone process tracks the device alias database and if s PWWN changes as a result of a device alias update, it will be reflected in the zones.  The zoneset must still be reactivated manually for the new PWWN to be distributed as part of the zoneset.  This mode was put into place to make is easier to update many zones if a single hba needs to be replaced.

The step when using enhanced mode device alias

-update the device alias database to remove failed pwwn

-update device alias database to add new pwwn (alias name must be the same)

-issue device aliase commit to make the change effective

-reactivate the currently active zoneset for the vsan where the new pwwn resides

If the fabric is running device alias in basic mode, you will need to manully edit the zones to remove then add in the device alias once it has been changed, and then reactivate the zoneset.

To check device alias mode, issue this command.

show device-alias status

The mode will be 'basic' or 'enhanced'

-hope this helps,

Mike

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