From: Carsten Aulbert Subject: [NFS] Massive NFS problems on large cluster with large number of mounts Date: Tue, 01 Jul 2008 08:24:29 +0200 Message-ID: <4869CD9D.7060701@aei.mpg.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Cc: Steffen Grunewald , Henning Fehrmann To: nfs@lists.sourceforge.net Return-path: Received: from neil.brown.name ([220.233.11.133]:50568 "EHLO neil.brown.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751500AbYGAGYv (ORCPT ); Tue, 1 Jul 2008 02:24:51 -0400 Received: from brown by neil.brown.name with local (Exim 4.63) (envelope-from ) id 1KDZIE-0000RC-0x for linux-nfs@vger.kernel.org; Tue, 01 Jul 2008 16:24:46 +1000 Sender: linux-nfs-owner@vger.kernel.org List-ID: SGkgYWxsLAoKSSBkbyBob3BlIG15IGVtYWlsIGdldHMgdGhyb3VnaCwgSSB0cmllZCB0byBzdWJz Y3JpYmUgeWVzdGVyZGF5IGJ1dCB3aXRoCm5vIGVmZmVjdCBzbyBmYXIuCgpXZSBhcmUgcnVubmlu ZyBhIGxhcmdlIGNsdXN0ZXIgYW5kIGRvIGEgbG90IG9mIGNyb3NzLW1vdW50aW5nIGJldHdlZW4K dGhlIG5vZGVzLiBUbyBnZXQgdGhpcyBydW5uaW5nIHdlIGFyZSBydW5uaW5nIGEgbG90IG9mIG5m c2QgKDE5NikgYW5kCnVzZSBtb3VudGQgd2l0aCA2NCB0aHJlYWRzLCBqdXN0IGluIGNhc2Ugd2Ug Z2V0IGEgbWFzc2l2ZSBudW1iZXIgb2YgaGl0cwpvbnRvIGEgc2luZ2xlIG5vZGUuIEFsbCB0aGlz IGlzIG9uIERlYmlhbiBFdGNoIHdpdGggYSByZWNlbnQgMi42LjI0Cmtlcm5lbCB1c2luZyBhdXRv ZnM0IGF0IHRoZSBtb21lbnQgdG8gZG8gdGhlIGF1dG9tb3VudHMuCgpXaGVuIHJ1bm5pbmcgdGhl c2UgdHdvIG5vdCBuaWNlIHNjcmlwdHM6CgokIGNhdCB0ZXN0X21vdW50CiMhL2Jpbi9zaAoKbl9u b2RlPTEwMDAKCmZvciBpIGluIGBzZXEgMSAkbl9ub2RlYDtkbwogICAgICAgIG49YGVjaG8gJFJB TkRPTSUxMzQyKzEwMDAxIHwgYmN8IHNlZCAtZSAicy8xL24vImAKICAgICAgICAkSE9NRS9iaW4v bW91bnQuc2ggJG4mCiAgICAgICAgZWNobyAtbiAuCmRvbmUKCiQgY2F0IG1vdW50LnNoCiMhL2Jp bi9zaAoKZGlyPSIvZGlzdHJpYnV0ZWQvc3ByYXkvZGF0YS9FYXRIL1M1UjEiCgpwaW5nIC1jMSAt dzEgJDEgPiAvZGV2L251bGwmJiBmaWxlPSIvYXRsYXMvbm9kZS8kMSRkaXIvImBscyAtZgovYXRs YXMvbm9kZS8kMSRkaXIvfGhlYWQgLW4gNTAgfCB0YWlsIC1uIDFgCm1kNXN1bSAke2ZpbGV9CgpX aXRoIHRoYXQgd2UgZW5jb3VudGVyIGRpZmZlcmVudCBwcm9ibGVtczoKClJ1bm5pbmcgdGhpcyBn aXZlcyB0aGlzIGluIHN5c2xvZzoKSnVsICAxIDA3OjM3OjE5IG4xMzEyIHJwYy5pZG1hcGRbMjMw OV06IG5mc29wZW46Cm9wZW4oL3Zhci9saWIvbmZzL3JwY19waXBlZnMvbmZzL2NsbnRhYTU4L2lk bWFwKTogVG9vIG1hbnkgb3BlbiBmaWxlcwpKdWwgIDEgMDc6Mzc6MTkgbjEzMTIgcnBjLmlkbWFw ZFsyMzA5XTogbmZzb3BlbjoKb3BlbigvdmFyL2xpYi9uZnMvcnBjX3BpcGVmcy9uZnMvY2xudGFh NTgvaWRtYXApOiBUb28gbWFueSBvcGVuIGZpbGVzCkp1bCAgMSAwNzozNzoxOSBuMTMxMiBycGMu aWRtYXBkWzIzMDldOiBuZnNvcGVuOgpvcGVuKC92YXIvbGliL25mcy9ycGNfcGlwZWZzL25mcy9j bG50YWE1ZS9pZG1hcCk6IFRvbyBtYW55IG9wZW4gZmlsZXMKSnVsICAxIDA3OjM3OjE5IG4xMzEy IHJwYy5pZG1hcGRbMjMwOV06IG5mc29wZW46Cm9wZW4oL3Zhci9saWIvbmZzL3JwY19waXBlZnMv bmZzL2NsbnRhYTVlL2lkbWFwKTogVG9vIG1hbnkgb3BlbiBmaWxlcwpKdWwgIDEgMDc6Mzc6MTkg bjEzMTIgcnBjLmlkbWFwZFsyMzA5XTogbmZzb3BlbjoKb3BlbigvdmFyL2xpYi9uZnMvcnBjX3Bp cGVmcy9uZnMvY2xudGFhOWMvaWRtYXApOiBUb28gbWFueSBvcGVuIGZpbGVzCgpXaGljaCBpcyBu b3Qgc3VycHJpc2luZyB0byBtZS4gSG93ZXZlciwgdGhlcmUgYXJlIGEgZmV3IHRoaW5ncyBJJ20K d29uZGVyaW5nIGFib3V0LgoKKDEpIEFsbCBvdXIgbW91bnRzIHVzZSBuZnN2ZXJzPTMgd2h5IGlz IHJwYy5pZG1hcGQgaW52b2x2ZWQgYXQgYWxsPwooMikgV2h5IGlzIHRoaXMgZGFlbW9uIGdyb3dp bmcgc28gZXh0cmVtZWx5IGxhcmdlPwojIHBzIGF1eHxncmVwIHJwYy5pZG1hcGQKcm9vdCAgICAg IDIzMDkgIDAuMSAxNi4yIDIwMzcxNTIgMTMyNjk0NCA/ICAgICBTcyAgIEp1bjMwICAgMToyNAov dXNyL3NiaW4vcnBjLmlkbWFwZAooMykgVGhlIHNjcmlwdCBtYXhlcyBvdXQgYXQgYWJvdXQgMzQw IGNvbmN1cnJlbnQgbW91bnRzLCBhbnkgaWRlYSBob3cgdG8KaW5jcmVhc2UgdGhpcyBudW1iZXI/ IFdlIGFyZSBhbHJlYWR5IHJ1bm5pbmcgYWxsIHNlcnZlcnMgd2l0aCB0aGUKaW5zZWN1cmUgb3B0 aW9uLCB0aHVzIGxvdyBwb3J0cyBzaG91bGQgbm90IGJlIGEgcmVzdHJpY3Rpb24uCig0KSBBZnRl ciBydW5uaW5nIHRoaXMgc2NyaXB0IC9ldGMvbXRhYiBhbmQgL3Byb2MvbW91bnRzIGFyZSBvdXQg b2YKc3luYy4gSWFuIEtlbnQgZnJvbSBhdXRvZnMgZmFtZSBzdWdnZXN0ZWQgYSBicm9rZW4gbG9j YWwgbW91bnQKaW1wbGVtZW50YXRpb24gd2hpY2ggZG9lcyBub3QgbG9jayBtdGFiIHdlbGwgZW5v dWdoLiBBbnkgaWRlZSBhYm91dCB0aGF0PwoKVElBIGZvciBhbnkgaGVscCB5b3UgbWlnaHQgZ2l2 ZSB1cy4KCkNoZWVycwoKQ2Fyc3RlbgoKCi0tIApEci4gQ2Fyc3RlbiBBdWxiZXJ0IC0gTWF4IFBs YW5jayBJbnN0aXR1dCBmw7xyIEdyYXZpdGF0aW9uc3BoeXNpawpDYWxsaW5zdHJhw59lIDM4LCAz MDE2NyBIYW5ub3ZlciwgR2VybWFueQpGb246ICs0OSA1MTEgNzYyIDE3MTg1LCBGYXg6ICs0OSA1 MTEgNzYyIDE3MTkzCmh0dHA6Ly93d3cudG9wNTAwLm9yZy9zeXN0ZW0vOTIzNCB8IGh0dHA6Ly93 d3cudG9wNTAwLm9yZy9jb25uZmFtLzYvbGlzdC8zMQoKLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQpDaGVjayBv dXQgdGhlIG5ldyBTb3VyY2VGb3JnZS5uZXQgTWFya2V0cGxhY2UuCkl0J3MgdGhlIGJlc3QgcGxh Y2UgdG8gYnV5IG9yIHNlbGwgc2VydmljZXMgZm9yCmp1c3QgYWJvdXQgYW55dGhpbmcgT3BlbiBT b3VyY2UuCmh0dHA6Ly9zb3VyY2Vmb3JnZS5uZXQvc2VydmljZXMvYnV5L2luZGV4LnBocApfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpORlMgbWFpbGxpc3Qg IC0gIE5GU0BsaXN0cy5zb3VyY2Vmb3JnZS5uZXQKaHR0cHM6Ly9saXN0cy5zb3VyY2Vmb3JnZS5u ZXQvbGlzdHMvbGlzdGluZm8vbmZzCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fClBsZWFzZSBub3RlIHRoYXQgbmZzQGxpc3RzLnNvdXJjZWZvcmdlLm5ldCBp cyBiZWluZyBkaXNjb250aW51ZWQuClBsZWFzZSBzdWJzY3JpYmUgdG8gbGludXgtbmZzQHZnZXIu a2VybmVsLm9yZyBpbnN0ZWFkLgogICAgaHR0cDovL3ZnZXIua2VybmVsLm9yZy92Z2VyLWxpc3Rz Lmh0bWwjbGludXgtbmZzCg==