Distributed Replicated Block Device (DRBD) development
 help / color / mirror / Atom feed
From: Lars Marowsky-Bree <lmb@suse.de>
To: Philipp Reisner <philipp.reisner@linbit.com>, drbd-dev@lists.linbit.com
Subject: Re: [Drbd-dev] How Locking in GFS works...
Date: Fri, 8 Oct 2004 14:55:44 +0200	[thread overview]
Message-ID: <20041008125544.GO8249@marowsky-bree.de> (raw)
In-Reply-To: <200410081432.09710.philipp.reisner@linbit.com>

On 2004-10-08T14:32:09, Philipp Reisner <philipp.reisner@linbit.com> wrote:

>   3. Concurrent writes, high latency for data packets.
>     The problem now is that N2 does can not detect that this was
>     a concurrent write, since it got the ACK before the conflicting
>     data packets comes in. 

Uhm. I don't see how this can be a problem.

In this case, one write has logically happened before the other, and
from they don't overlap - the second write will simply wipe out the
first one, which seems fine?

>   5. New write while processing a write from the peer.

Sounds just like case 1.


Sincerely,
    Lars Marowsky-Brée <lmb@suse.de>

-- 
High Availability & Clustering
SUSE Labs, Research and Development
SUSE LINUX AG - A Novell company


  reply	other threads:[~2004-10-08 12:55 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-04 12:56 [Drbd-dev] How Locking in GFS works Philipp Reisner
2004-10-04 13:01 ` Lars Marowsky-Bree
2004-10-04 13:20   ` Lars Ellenberg
2004-10-04 13:41     ` Lars Marowsky-Bree
2004-10-04 13:26   ` Philipp Reisner
2004-10-04 13:49     ` Lars Marowsky-Bree
2004-10-04 14:09       ` Philipp Reisner
2004-10-04 14:17         ` Philipp Reisner
2004-10-04 15:12           ` Lars Ellenberg
2004-10-04 20:24             ` Lars Marowsky-Bree
2004-10-08 12:32             ` Philipp Reisner
2004-10-08 12:55               ` Lars Marowsky-Bree [this message]
2004-10-08 13:37                 ` Philipp Reisner
2004-10-08 13:51               ` Lars Ellenberg
2004-10-11  7:12                 ` Philipp Reisner
2004-10-11 10:09                   ` Lars Ellenberg
2004-10-11 10:11                   ` Lars Ellenberg
2004-10-11 12:28                     ` Philipp Reisner
2004-10-11 12:41                       ` Philipp Reisner
2004-10-05 19:37           ` Philipp Reisner
2004-10-05 19:39             ` Philipp Reisner

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=20041008125544.GO8249@marowsky-bree.de \
    --to=lmb@suse.de \
    --cc=drbd-dev@lists.linbit.com \
    --cc=philipp.reisner@linbit.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox