How to fill in the fsid for file systems?

[Rick Macklem]

Julian Elischer wrote:
[stuff snipped]
>Rick Macklem wrote:
>>
>> Maybe someone can explain when it would be useful for FFS (or not)?
>SO lets' just make the usage model clear:
>I believe that what Josh needs is to have a  two High availability
>servers viewing a single
>(cloud based) filesystem, export the same FSID so that when one takes
>over for the other
>the clients don't notice.
Well, for UFS/FFS, if it is the same physical storage or the file system was cloned
via a block for block copy (like using dd(1)), then it shouldn't be a problem,
since the fsid comes out of the superblock.

*** added comment
Oh, and I am not sure what happens w.r.t. the fsid for UFS snapshots?

rick