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тАО06-08-2009 09:30 AM
тАО06-08-2009 09:30 AM
Resetting a fabric login from HPUX /dev/td0 to Clariion
I have an HPUX server connected to two Clariions. One of the Clariions shows the HPUX HBAs as not logged in.
I don't want to physically disconnect any fibers because they a being used to communicate to the other array.
I want to cause the HBA to relogon to a particular NPORTID.
E.g., fcmsutil /dev/td0 reset_connection 0x040300
This there perhaps an undocumented command that I could use.
Regards,
Bill
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тАО06-08-2009 10:01 AM
тАО06-08-2009 10:01 AM
Re: Resetting a fabric login from HPUX /dev/td0 to Clariion
i know that you don't wont disconnect the cable,
because the FC adapter is used also for other storage but i think if you have separated fabric with multiple HBA nd alternate links , you could make a disable/enable of the card but this is the same as disconnect it with the cable.
mikap
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тАО06-08-2009 10:26 AM
тАО06-08-2009 10:26 AM
Re: Resetting a fabric login from HPUX /dev/td0 to Clariion
While I'm sure there is a 95%+ chance that the failover will work just fine, I'd hate to disconnect the production DB just to get the test connections working.
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тАО06-08-2009 10:31 AM
тАО06-08-2009 10:31 AM
Re: Resetting a fabric login from HPUX /dev/td0 to Clariion
i was several times in this situation, and always, was a signature requested from the Management to aprove this action. We have all connection with multiple links connected to the storage, but nobody know what could happend, with the failower fabric/HBA/cables ...
mikap
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тАО06-09-2009 07:10 AM
тАО06-09-2009 07:10 AM
Re: Resetting a fabric login from HPUX /dev/td0 to Clariion
An ioscan should cause the HBA to login to the array again. I usually do "ioscan -f" to keep things simple.
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тАО06-09-2009 09:09 AM
тАО06-09-2009 09:09 AM
Re: Resetting a fabric login from HPUX /dev/td0 to Clariion
Based on your observation, all try some diskinfo's to see if accessing the drives will cause a relogin.