[stgt] tgt-admin and a -C, --control-port argument

FUJITA Tomonori fujita.tomonori at lab.ntt.co.jp
Fri Apr 2 02:57:16 CEST 2010

On Thu, 01 Apr 2010 09:54:54 -0700
Chandra Seetharaman <sekharan at us.ibm.com> wrote:

> 1. The purpose of multiple tgtds (and the control port) is to make each 
>    tgtd dedicated to ipaddress (or port).
> 2. Each target will be associated with only one ip address (which also
>    means we have to add a ip address token to target definition).
> (1) and (2) make me think that we do not need an explicit "control port"
> parameter for targets.conf syntax.
> If any target has a ip address specifically defined, then tgt-admin can
> define a control port and use it at the right place (as it does with tid
> currently) and keep the control port definition totally internal to
> tgt-admin.

Yeah, we could generate 'control port' from 'iscsi ip
address (or port)'. However, tgt needs to support more than iSCSI.

> Does it make sense ? Or am I missing something ?
> I had a related question, will we ever want to make multiple ip
> addresses served by a single tgtd ? 

Yeah, by default, tgtd accepts any ip addresses of the host. Can can
change this behavior with 'portal' option.
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