On Fri, 2005-07-15 at 23:39 +0900, FUJITA Tomonori wrote:
> From: Ming Zhang <mingz@xxxxxxxxxxx>
> Subject: [Fwd: Re: [Iscsitarget-devel] Developing VSS hardware providers]
> Date: Fri, 15 Jul 2005 09:41:07 -0400
>
> > Not sure if you key an eye on this thread. Recently we are discussing
> > something about management daemon and windows snapshot support. It might
> > introduce something else into IET. I would like to see what is your
> > opinion on this. Thanks!
>
> I've not read the whole thread. I guess:
>
> o You want a snapshot image in an application consistency since a
> power-failure consistency is not good enough.
yes, exactly, the whole discussion originate from support MS virtual
shadow copy service.
>
> o You want to do work on a box in which IET is running from another
> box to achieve the above (that is, you want remote control for IET).
>
yes, control from INI box or even 3rd party management console.
>
> When I designed and implemented ietadm and ietd, I considered this
> issue (remote control).
>
> With the current design, ietadm and ietd comunicate by using an unix
> domain socket. It was easy to implement them with a tcp socket to
> enable remote control. However, because no perfect authentication
> scheme is for everyone, so I chose unix domain.
>
yes, security must be a issue here. we might use CHAP at this stage but
definitely need a generic interface like PAM.
> If an initiator box is linux, you can execute ietadm on the IET box by
> using ssh. If you prefer web interface, run apache on the IET box. If
> you want RCP or SOAP interface, implemnt a daemon that can handle them
> and run it on the IET box. They executes ietadm.
so seems you feel ok about adding an extra daemon to handle the XML-RPC
call. good!
>
> Generally speaking, I think that adding some new functions to ietadm
> is good enough for this issue.
ok, so
1) anyway we need to add some function to ietadm
2) on how to call ietadm, we can use ssh to call remotely, or use xml-
rpc to call a local daemon and then call ietadm.
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