All of lore.kernel.org
 help / color / mirror / Atom feed
From: Christophe Varoqui <christophe.varoqui@gmail.com>
To: device-mapper development <dm-devel@redhat.com>
Subject: Re: understanding of multipathing and speed
Date: Mon, 05 Jul 2010 20:58:30 +0200	[thread overview]
Message-ID: <1278356310.30539.606.camel@localhost> (raw)
In-Reply-To: <201007052037.39362.bart.coninckx@telenet.be>

On lun., 2010-07-05 at 20:37 +0200, Bart Coninckx wrote:
> Hi,
> 
> I would like to run my ideas by this list about multipathing and the results 
> as far as storage speed is concerned.
> 
> I'm using multipathing to two iSCSI targets pointing to the same storage. It 
> was my understanding that this provides for network path redundancy (and it 
> does, I tested this) but also for added speed. 
> I did some tests with Bonnie++ however while both paths were active and one 
> path was down and the results are basically the same. 
> 
> Am I assuming wrong things? Or have I configured things wrong?
> 
can you also include a 'multipath -l' output and sketch the
hba/switch/controller physical connections ?

thanks,
-- 
Christophe Varoqui <christophe.varoqui@opensvc.com>
OpenSVC

  reply	other threads:[~2010-07-05 18:58 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-05 18:37 understanding of multipathing and speed Bart Coninckx
2010-07-05 18:58 ` Christophe Varoqui [this message]
2010-07-05 19:41   ` John A. Sullivan III
2010-07-06  4:16   ` Bart Coninckx
2010-07-06  7:21     ` Christophe Varoqui
2010-07-07 17:18     ` Bart Coninckx
2010-07-07 21:01       ` Bart Coninckx
2010-07-07 22:06         ` Brem Belguebli
2010-07-08  6:35           ` Bart Coninckx
  -- strict thread matches above, loose matches on Subject: below --
2010-07-06  8:07 bart.coninckx
2010-07-06  8:25 ` Christophe Varoqui
2010-07-06  8:37   ` brem belguebli
2010-07-06  8:59     ` bart.coninckx
2010-07-06  8:52   ` bart.coninckx

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=1278356310.30539.606.camel@localhost \
    --to=christophe.varoqui@gmail.com \
    --cc=christophe.varoqui@opensvc.com \
    --cc=dm-devel@redhat.com \
    /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.