From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=BAYES_20,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6CFF9C433F5 for ; Wed, 22 Sep 2021 20:57:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 59B9961168 for ; Wed, 22 Sep 2021 20:57:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238049AbhIVU6d (ORCPT ); Wed, 22 Sep 2021 16:58:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34126 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237744AbhIVU6W (ORCPT ); Wed, 22 Sep 2021 16:58:22 -0400 Received: from mail-io1-xd32.google.com (mail-io1-xd32.google.com [IPv6:2607:f8b0:4864:20::d32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5ABC1C06175F for ; Wed, 22 Sep 2021 13:56:35 -0700 (PDT) Received: by mail-io1-xd32.google.com with SMTP id a15so5270358iot.2 for ; Wed, 22 Sep 2021 13:56:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=srf-ext-com.20210112.gappssmtp.com; s=20210112; h=mime-version:from:date:message-id:subject:to; bh=p2+bnwDe8NnQejQwDcKsqilbxGCbNYLi3v9x+JtVwzo=; b=MbKcG4/R5RX+6CXXG7OGSqx4WMKFaCW3VHwfd6ccQy3jTkrUDbgzOLGW+mDovBaZdn IxECEXTuSH98xiuYJgyakW2zIxmSuVog6M1JbWmAndSbs5mSzaEWQWKkZej/hIU646Nt yQkbD5KZTo4zD0kIa/fMw9JUkLuic/HK6tnmIKjgcC9SArQ03vfTSHIj9ZOVk3iZXzm+ 8Ckv23Rbug3bf1mNoqM1UdcHZBgQghy8cYcSyqsvwNuyhgniwMm4kCx2+P3WRGVEHFfB bmV3G8KbtrRTh+WDefO4cBHAjD0zyuLp7RFKhjq4NeLMwyCRXG6XzavfxlblhkXJMBgX AzkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=p2+bnwDe8NnQejQwDcKsqilbxGCbNYLi3v9x+JtVwzo=; b=Of+dZTTR21PCkOew2UXI8BhrwQV7bcZZqobBY7eJ4KUrkrYZBZgkcHPgfznCM1edac 7WiWNMaoC+9kHaKQjLgN4N3wZhho/SxMLI1xyKBUkWsFtTNee8nr4xr31oX9TkfcvUQL Qi+Dgsp0cCWXG3Wng69+5dxaJL/02VISWL1MqU0Cb/N+/bS8fv288Bu0uodBG977suXb 2oEkgSBgipidmnBJXgR5y9JByTlhj39FroogX8iIZvjGEx3Q+Okvv0JAEz/6UyXuVNfT ab8TdV4IkGo9WOOhPuMJfKA6r8xnXDHkA1wiI8haoclnjbios1LVzWqn2VAewygMx8cw Y0+Q== X-Gm-Message-State: AOAM531vIa229hdpQXHCLp4Vq0qzNAkhITXRr4fo4PGIPgqkSdI+iDXK HImaN90t4p5+2GZeIUr9uDECt/iOKQVxnkHBlaK6ECReTgG+9g== X-Google-Smtp-Source: ABdhPJzhQUonEgw+v17s2Wja/goJ1+PI82+eASjeRJPEHWtc+iqhL3EbHYjF5CgRJxtG2yngTrFlsSl8jVlD4zbO/Bo= X-Received: by 2002:a5e:c110:: with SMTP id v16mr857064iol.43.1632344194597; Wed, 22 Sep 2021 13:56:34 -0700 (PDT) MIME-Version: 1.0 From: Kazi Anwar Date: Wed, 22 Sep 2021 15:56:23 -0500 Message-ID: Subject: nfs4err_delay To: linux-nfs@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Hi, We are running nfs v 4.1 on centos 7.6. We are seeing an NFS issue where when files/dirs are deleted from a client they are occasionally stuck at unlinkat system call(according to strace its stuck for 100.5 secs every time). Can anyone explain this behavior? Running tcp dump shows nfs4err_delay status sent from the server to the stuck client. -- Kazi Anwar