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Operating System - Tru64 Unix
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Move Host to different FC switch, does device file change?

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Adam Garsha
Valued Contributor

Move Host to different FC switch, does device file change?

I want to verify that Tru64 uses WWID to determine disk device "sameness". I want to know that if I move a host's FC cables from one FC switch to another and I take care of port-zoning changes, that the device files won't change on the host.

Tru64 5.1B-3, EVA5000/v3.028, HP (Brocade) 1/16->2/32
2 REPLIES
Vladimir Fabecic
Honored Contributor
Solution

Re: Move Host to different FC switch, does device file change?

That is right. Tru64 uses WWID to determine disk device.
As you said, take care of port-zoning.
In vino veritas, in VMS cluster
Adam Garsha
Valued Contributor

Re: Move Host to different FC switch, does device file change?

Above is correct. WWID is all that Tru64 cares about.