netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andy Grover <agrover@redhat.com>
To: "Nicholas A. Bellinger" <nab@linux-iscsi.org>
Cc: target-devel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH] Don't allow multiple TPGs or targets to share a portal
Date: Wed, 13 Feb 2013 14:09:01 -0800	[thread overview]
Message-ID: <511C0EFD.9060702@redhat.com> (raw)
In-Reply-To: <1360787516.13707.59.camel@haakon2.linux-iscsi.org>

On 02/13/2013 12:31 PM, Nicholas A. Bellinger wrote:
> On Fri, 2013-02-08 at 15:05 -0800, Andy Grover wrote:
>> RFC 3720 says "Each Network Portal, as utilized by a given iSCSI Node,
>> belongs to exactly one portal group within that node." therefore
>> iscsit_add_np should not check for existing matching portals, it should
>> just go ahead and try to make the portal, and then kernel_bind() will
>> return the proper error.
>>
>> Signed-off-by: Andy Grover <agrover@redhat.com>
>> ---
>
> NACK.  Your interpretation of RFC-3720 is incorrect.  There is nothing
> that says that a single IP address cannot be shared across multiple
> TargetName+TargetPortalGroupTag endpoints.

A Network Portal is ip:port, not just IP. I'd agree two TPGs can use the 
same IP as long as they listen on different ports.

But that bit I quoted seems pretty clear. How should it be alternatively 
interpreted?

Thanks -- Andy

  reply	other threads:[~2013-02-13 22:09 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-07  0:47 IP_FREEBIND and binding to in-use addr:ports Andy Grover
2013-02-07 18:42 ` Andy Grover
2013-02-08 23:05   ` [PATCH] Don't allow multiple TPGs or targets to share a portal Andy Grover
2013-02-13 20:31     ` Nicholas A. Bellinger
2013-02-13 22:09       ` Andy Grover [this message]
2013-02-15 15:46         ` Nicholas A. Bellinger
2013-02-18 22:41           ` Andy Grover
2013-02-19  4:34             ` Nicholas A. Bellinger

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=511C0EFD.9060702@redhat.com \
    --to=agrover@redhat.com \
    --cc=nab@linux-iscsi.org \
    --cc=netdev@vger.kernel.org \
    --cc=target-devel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).