Return-Path: linux-nfs-owner@vger.kernel.org Received: from natasha.panasas.com ([67.152.220.90]:59381 "EHLO natasha.panasas.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751154Ab2AZIiU (ORCPT ); Thu, 26 Jan 2012 03:38:20 -0500 Message-ID: <4F2110DA.7060603@panasas.com> Date: Thu, 26 Jan 2012 10:37:46 +0200 From: Boaz Harrosh MIME-Version: 1.0 To: CC: Jim Rees , , , , , Subject: Re: [RFC:PATCH 3.1.0] do_mount: Add mount retry option for nfs root mount. References: <1327503003-21722-1-git-send-email-srinivas.kandagatla@st.com> <20120125154539.GA20734@umich.edu> <4F21071B.4070000@st.com> In-Reply-To: <4F21071B.4070000@st.com> Content-Type: text/plain; charset="UTF-8" Sender: linux-nfs-owner@vger.kernel.org List-ID: On 01/26/2012 09:56 AM, Srinivas KANDAGATLA wrote: > Jim Rees wrote: >> Srinivas KANDAGATLA wrote: >> >> From: Srinivas Kandagatla >> >> This patch adds mountretry kernel parameter for nfs root mount. >> mount retry indicates the number of times nfs root mount attempts to be >> made before giving up. If this option is not specified, the default >> value of 3 retries is used. >> >> This has already been fixed in commit 43717c7d, "NFS: Retry mounting >> NFSROOT". The retry count is fixed at 5. Is there some reason you think >> the retry count should be configurable? >> > Thanks for pointing to the fixed commit. I did realize soon after > sending this patch to mailing list. > > Only reason I can think of having retry count configurable is, an > arbitrary number(3 or 5 or n) of retry count may not be enough to > address all the use cases. > So, I think the user should be given a chance to configure the retry > count if he wish to, either timeout quickly and try the succession > root-mount or If he wish to keep kernel trying very harder till he gets > the NFS root mount successful. > I agree. Specially if there is no "succession root-mount" setup then user can specify a very large count. Is there some delay between retries. So not to burn 100% power? > Thanks, > srini Thanks Boaz > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html