All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Paul Grun" <pgrun-klaOcWyJdxkshyMvu7JE4pqQE7yCjDx5@public.gmane.org>
To: 'Jason Gunthorpe'
	<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>,
	'Bang Nguyen'
	<bang.nguyen-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	'Richard Frank'
	<richard.frank-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Subject: RE: APM support for IPoIB
Date: Tue, 2 Oct 2012 09:53:17 -0700	[thread overview]
Message-ID: <009101cda0be$6d8cb220$48a61660$@com> (raw)
In-Reply-To: <20121001235303.GH22342-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>

Jason - Like your idea for full APM support especially across subnets, but
wouldn't that require some sort capability that lives above the subnet level
and is able to query both SMs/SAs?  Sounds vaguely router-ish?
-Paul

> -----Original Message-----
> From: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org [mailto:linux-rdma-
> owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org] On Behalf Of Jason Gunthorpe
> Sent: Monday, October 01, 2012 4:53 PM
> To: Bang Nguyen
> Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; Richard Frank
> Subject: Re: APM support for IPoIB
> 
> On Mon, Oct 01, 2012 at 03:23:38PM -0700, Bang Nguyen wrote:
> 
> > Adding APM support for IPoIB seems like something worthwhile and we're
> > thinking about it..but are wondering why has hasn't been done
> > already..any comments/suggestions?
> 
> I've been quite supportive of APM in the past, IMHO I think it is
> something unique to IB that should be exploited as often as possible.
> 
> Improving the RDMA-CM to setup APM at all would be a great first step, but
> some SM work is also ultimately needed to get sufficiently
> independent/redundant paths.
> 
> I would like to see the full APM support eventually implemented - this
> would be fail over across adaptor ports, where each port is on a seperate
> subnet - so you get full redundancy of cabling, switching and management
> software.
> 
> Jason
> --
> To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at
> http://vger.kernel.org/majordomo-info.html

--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

  parent reply	other threads:[~2012-10-02 16:53 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-01 22:23 APM support for IPoIB Bang Nguyen
     [not found] ` <506A17EA.8080400-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2012-10-01 23:53   ` Jason Gunthorpe
     [not found]     ` <20121001235303.GH22342-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2012-10-02  0:02       ` Bang Nguyen
     [not found]         ` <506A2F01.8000605-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2012-10-02  2:15           ` Roland Dreier
     [not found]             ` <CAL1RGDWmywbGg0vVb_MqRCHbdgMCZTGN5Y-dX6NkpWRB6P23ug-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-10-02  8:12               ` Tziporet Koren
     [not found]                 ` <CD250C48050CFB4D95E78C95F2FDDD6E87470513-fViJhHBwANKuSA5JZHE7gA@public.gmane.org>
2012-10-03  0:14                   ` Bang Nguyen
     [not found]                     ` <506B8365.9010507-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2012-10-03  3:03                       ` Hefty, Sean
     [not found]                         ` <1828884A29C6694DAF28B7E6B8A8237346A98B11-Q3cL8pyY+6ukrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2012-10-03  4:24                           ` Bang Nguyen
     [not found]                             ` <506BBDE3.3010904-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2012-10-04 16:06                               ` Bang Nguyen
2012-10-02 16:53       ` Paul Grun [this message]
2012-10-02 17:00         ` Jason Gunthorpe
2012-10-02 17:21         ` Hefty, Sean

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='009101cda0be$6d8cb220$48a61660$@com' \
    --to=pgrun-klaocwyjdxkshymvu7je4pqqe7ycjdx5@public.gmane.org \
    --cc=bang.nguyen-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org \
    --cc=jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org \
    --cc=linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=richard.frank-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.