> In general, as SCSI becomes more networked, most approaches will want the
> initiator to figure out what is the
> current list of targets the initiator is connected to, rather than the
> targets trying to inform interested initiators whether
> the targets are coming on-line or going off-line.
>
> Keeping that in mind, a bus rescan is a better way to go (where a bus is
> 'virtual' for networked SCSI architectures).
>
[ Venkat] The issue is who issues the BUS scanning operations. Is it
done in userspace ? What is the time interval between bus scanning for new
detection? How is it going to affect SCSI BUS IO speed? We dont want a too
frequent scanning which affects IO performance. Too long an interval really
undermines Plug & Play. AEN seems better , but i have to check whether FCP
supports it.
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