All of lore.kernel.org
 help / color / mirror / Atom feed
From: Denny Page <denny@cococafe.com>
To: Linux SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: Adaptec aic79xx performance
Date: Sat, 03 Dec 2005 02:01:10 -0800	[thread overview]
Message-ID: <43916CE6.1090206@cococafe.com> (raw)
In-Reply-To: <439165A1.8070900@cococafe.com>

Further info, indicating a negotiation problem:

/proc/scsi/aic7xxx:
Target 3 Negotiation Settings
     User: 160.000MB/s transfers (80.000MHz DT, offset 127, 16bit)
     Goal: 160.000MB/s transfers (80.000MHz DT, offset 127, 16bit)
     Curr: 160.000MB/s transfers (80.000MHz DT, offset 127, 16bit)
     Channel A Target 3 Lun 0 Settings
             Commands Queued 24
             Commands Active 0
             Command Openings 1
             Max Tagged Openings 0
             Device Queue Frozen Count 0

/proc/scsi/aic79xx:
Target 3 Negotiation Settings
     User: 320.000MB/s transfers (160.000MHz RDSTRM|DT|IU|RTI|QAS, 16bit)
     Goal: 3.300MB/s transfers
     Curr: 3.300MB/s transfers
     Channel A Target 3 Lun 0 Settings
             Commands Queued 19
             Commands Active 0
             Command Openings 1
             Max Tagged Openings 0
             Device Queue Frozen Count 0

Kinda explains the abysmal data rate.  I am guessing that this is a bug. 
  Anyone looked at this?

Thanks,

Denny

  reply	other threads:[~2005-12-03 10:01 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-03  9:30 Adaptec aic79xx performance Denny Page
2005-12-03 10:01 ` Denny Page [this message]
2005-12-04  2:44   ` Denny Page
2005-12-08 20:50     ` Denny Page
2005-12-03 11:04 ` Denny Page

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=43916CE6.1090206@cococafe.com \
    --to=denny@cococafe.com \
    --cc=linux-scsi@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 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.