> 1. Can I create  ZFS volumes on a ZFS file system from one server,
>      attach the file system read-write to a different server (to load data),
>      then detach the file system from that server and attach the file system
>      read-only to multiple other servers?

I don't think so today.  There's no way to read-only import a pool.
While imported, the server is going to want to be writing metadata, and
the two hosts would clobber each other.

I've talked to Symantec engineers about similar read-only imports of
VxVM disk groups (for other reasons).  No one thought there were
insurmountable problems, but they weren't exactly trivial either.  I
don't know what ZFS might require for it.

> 2. Can I expand on the fly a ZFS volume within a file system when the
>      file system it's attached to a server read-write?

You mean like enlarge a LUN while ZFS is using that lun in a pool?  I
think the tricky part is getting the OS to recognize the increased
space.  I'm not sure when ZFS would notice the size increase after that
occurred.

-- 
Darren Dunham                                           [EMAIL PROTECTED]
Senior Technical Consultant         TAOS            http://www.taos.com/
Got some Dr Pepper?                           San Francisco, CA bay area
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