# [OmniOS-discuss] stmf service in multiple instances? Or other solution?

Michael Rasmussen mir at miras.org
Fri Sep 27 12:03:33 UTC 2013

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    Couldn't you use stmfadm to add the luns and views from a script?

    Johan Kragsterman <johan.kragsterman at capvert.se> wrote:
    >Hi!
    >
    >I'm interested in HA for a fibre channel storage server, in a way that
    >you can run 2 or more heads active-active, each one running stmf from
    >their own configuration, serving different hosts.
    >
    >Saso has written an excellent guide to this, but so far only part
    >one...
    >
    >The pool failover isn't a problem, it is the failover of the stmf
    >configuration that is.
    >
    >I can only see two possible solutions here:
    >
    >
    >Either that you can run stmf in multiple instances, can you?
    >
    >If so, you can have mirrors of the stmf config files on both heads, and
    >if one head fails, a second instance of stmf could start with the
    >config file from the failing head.
    >
    >Or:
    >
    >You can restart the stmf service with a new config that includes the
    >stmf configuration of the failing head. Which of coarse would interupt
    >the service to the hosts connected to that head, as well as it would be
    >difficult to produce that config file, I guess...
    >
    >
    >Someone got inputs to this...?
    >
    >Rgrds Johan
    >
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    --
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