On Thu, 2005-07-14 at 13:50 -0700, Jamey Kirby wrote:
> This is just the knd of thing vendor specific commands are designed for. We
> can also implement mode sense and log pages to return information about the
> snapshot(s)
ok, let us do this at first and refactor if need later.
>
> VSS allows for the concept of multiple snapshots. Do we need this?
>
yes.
> Most of the VSS negotiations take place in the operating system. VSS
> cordinates with VSS aware applications so thay can flush their buffers and
> caches, give a windows for a snapshot and then release that window.
>
> I suspect at minimum we need a snap and unsnap CDB. I also recommend some
> sort of log or mode page to return statistics about the snapshot (space
> used, etc...)
do we allow a snapshot take on 1 LU at a time or can perform on several
LU at same time in one CDB? it might be too early to discuss this now.
maybe next week we can discuss more on this.
>
> To be honest, I have not studied the architecture of the target this list is
> developing. I will get up to speed this weekend and will be able to
> contribute at a higher level next week.
>
> Jamey
>
>
> ----- Original Message -----
> From: "Brian Wolfe" <brianw@xxxxxxxxxxxx>
> To: "Ming Zhang" <mingz@xxxxxxxxxxx>
> Cc: "Pasi Krkkinen" <pasik@xxxxxx>; "iet-dev"
> <iscsitarget-devel@xxxxxxxxxxxxxxxxxxxxx>
> Sent: Thursday, July 14, 2005 1:32 PM
> Subject: Re: [Iscsitarget-devel] Developing VSS hardware providers
>
>
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