Return-Path: Received: from us-smtp-delivery-194.mimecast.com ([63.128.21.194]:27592 "EHLO us-smtp-delivery-194.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751045AbdHRXbT (ORCPT ); Fri, 18 Aug 2017 19:31:19 -0400 From: Trond Myklebust To: "bamodio@purestorage.com" CC: "juchang@purestorage.com" , "anna.schumaker@netapp.com" , "vas@purestorage.com" , "linux-nfs@vger.kernel.org" , "igor@purestorage.com" Subject: Re: [RFC v3 0/2] NFSv3 and NFSv4 Multipathing Date: Fri, 18 Aug 2017 23:31:15 +0000 Message-ID: <1503099073.3451.13.camel@primarydata.com> References: <1503068252.44656.2.camel@primarydata.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-nfs-owner@vger.kernel.org List-ID: T24gRnJpLCAyMDE3LTA4LTE4IGF0IDEzOjE1IC0wNzAwLCBCZW5uZXR0IEFtb2RpbyB3cm90ZToN Cj4gT24gRnJpLCBBdWcgMTgsIDIwMTcgYXQgNzo1NyBBTSwgVHJvbmQgTXlrbGVidXN0DQo+IDx0 cm9uZG15QHByaW1hcnlkYXRhLmNvbT4gd3JvdGU6DQo+ID4gT24gVHVlLCAyMDE3LTA4LTE1IGF0 IDE3OjQ2IC0wNzAwLCBCZW5uZXR0IEFtb2RpbyB3cm90ZToNCj4gPiA+IEFmdGVyIHNlZWluZyBU cm9uZOKAmXMgcGF0Y2hlcyBmb3IgTkZTIG11bHRpcGF0aGluZyBvbiBORlN2NC4xLCB3ZQ0KPiA+ ID4gZGVjaWRlZCB0byB0cnkgdXNpbmcgdGhlIHNhbWUgY29uY2VwdCBmb3IgTkZTdjMvNC4gIFRo ZSBwcmltYXJ5DQo+ID4gPiBpc3N1ZQ0KPiA+ID4gd2UgaWRlbnRpZmllZCB3YXMgWElEIGNvbGxp c2lvbiBpbiB0aGUgZHVwbGljYXRlIHJlcXVlc3QgY2FjaGUNCj4gPiA+IChyZXBsYXkNCj4gPiA+ IGNhY2hlKSBmb3IgTkZTdjMvNC4gIEluIE5GU3YzLzQsIGVudHJpZXMgYXJlIGhhc2hlZCBiYXNl ZCBvbiBYSUQNCj4gPiA+IGluc3RlYWQgb2YgdGhlIHNsb3QgSUQgYW5kIHNlcXVlbmNlIElEIHRo YXQgTkZTdjQuMSB1c2VzLiAgU2luY2UNCj4gPiA+IHRoZQ0KPiA+ID4gWElEcyBhcmUgZ2VuZXJh dGVkIGJ5IHRoZSBSUEMgdHJhbnNwb3J0cywgYW5kIFRyb25k4oCZcyBwYXRjaGVzDQo+ID4gPiBj cmVhdGUNCj4gPiA+IG11bHRpcGxlIHRyYW5zcG9ydHMgZm9yIG11bHRpcGF0aGluZywgZGlmZmVy ZW50IHRyYW5zcG9ydHMgY2FuDQo+ID4gPiBlbmQgdXANCj4gPiA+IHVzaW5nIGFuIG92ZXJsYXBw aW5nIHNldCBvZiBYSURzLg0KPiA+IA0KPiA+IFdoeSBpcyB0aGF0IGEgcHJvYmxlbT8gWW91IHNo b3VsZCBlbmQgdXAgd2l0aCBjb25uZWN0aW9ucyB0aGF0IHNob3cNCj4gPiBkaWZmZXJlbnQgY29t YmluYXRpb25zIG9mIHNvdXJjZSBJUCtwb3J0IGFuZC9vciBkZXN0aW5hdGlvbg0KPiA+IElQK3Bv cnQuIEl0DQo+ID4gc2hvdWxkIGJlIHRyaXZpYWwgdG8gZGlzdGluZ3Vpc2ggYmV0d2VlbiBYSURz Lg0KPiANCj4gQWx0aG91Z2ggdGhlIExpbnV4IE5GUyBzZXJ2ZXIgaGFzaGVzIGNhY2hlIGVudHJp ZXMgYmFzZWQgb24gc291cmNlIElQDQo+IGFuZCBzb3VyY2UgcG9ydCBhcyB3ZWxsIGFzIFhJRCwg dGhpcyBpcyBub3QgYSByZXF1aXJlbWVudCBvZiB0aGUNCj4gTkZTdjMvdjQgc3BlY2lmaWNhdGlv biwgc28gTkZTIHNlcnZlciBpbXBsZW1lbnRhdGlvbnMgbWF5IGV4aXN0IHdoaWNoDQo+IGhhc2gg b25seSBiYXNlZCBvbiBzb3VyY2UgSVAgYW5kIFhJRC4gIEluIHByYWN0aWNlLCBpcyB0aGlzIHVu Y29tbW9uDQo+IGVub3VnaCB0aGF0IGl0J3Mgbm90IHdvcnRoIGFkZHJlc3Npbmc/DQoNClRoZXJl IGlzIG5vdGhpbmcgaW4gUkZDMTgxMyB0aGF0IGdpdmVzIGFueSBkaXJlY3Rpb24gb24gaG93IHRv IHNldCB1cCBhDQpkdXBsaWNhdGUgcmVwbGF5IGNhY2hlIChEUkMpLiBIb3dldmVyIGVzdGFibGlz aGVkIHByYWN0aWNlIGRpY3RhdGVzDQp0aGF0IHRoZSBzZXJ2ZXIgc2hvdWxkIGJlIHByZXBhcmVk IGZvciBkdXBsaWNhdGUgWElEcyB0aGF0IG9yaWdpbmF0ZQ0KZnJvbSB0aGUgc2FtZSBJUCBhZGRy ZXNzLg0KSW4gcGFydGljdWxhciwgaWYgdGhlIGxpbnV4IGNsaWVudCBjb25uZWN0cyBtb3JlIHRo YW4gb25jZSB0byB5b3VyDQpzZXJ2ZXIgKGUuZy4gdGhyb3VnaCAyIGRpZmZlcmVudCBJUCBhZGRy ZXNzZXMpIGl0IHdpbGwgYXNzdW1lIHRoZSBYSURzDQphcmUgcGVyIGNvbm5lY3Rpb24uIERpdHRv IGlmIHVzaW5nIFVEUC4NCg0KPiA+IFF1aXRlIGZyYW5rbHksIEkgZG8gbm90IHdhbnQgdG8gc3Rh cnQgY2FydmluZyB1cCB0aGUgWElEIHNwYWNlLA0KPiA+IHNpbmNlIGENCj4gPiAzMi1iaXQgbnVt YmVyIGlzIHJlYWxseSBub3QgdGhhdCBiaWcgaW4gdGhlc2UgZGF5cyBvZiAxMDBHaWdFDQo+ID4g bmV0d29ya3MuDQo+IA0KPiBUaGlzIGlzIGEgZ29vZCBwb2ludCwgYW5kIHdlIGFsc28gdGhpbmsg dGhhdCBjYXJ2aW5nIHVwIHRoZSBYSUQgc3BhY2UNCj4gaXMgbm90IGEgZ3JlYXQgc29sdXRpb24u ICBJZiBYSUQgY29sbGlzaW9uIGlzIGEgcHJvYmxlbSwgYW5vdGhlcg0KPiBzb2x1dGlvbiBjb3Vs ZCBiZSBhbiBhdG9taWMgWElEIHNoYXJlZCBiZXR3ZWVuIHRyYW5zcG9ydHMgd2hpY2gNCj4gYmVs b25nDQo+IHRvIHRoZSBzYW1lIGNsaWVudC4NCj4gDQo+IElmIHRoZXJlJ3Mgbm8gcHJvYmxlbSBp biB0aGUgZmlyc3QgcGxhY2UsIHRoYXQncyBldmVuIGJldHRlci4gIFdlDQo+IHRob3VnaHQgd2hl biB5b3Ugc2FpZCAiSSBkb24ndCBmZWVsIGNvbWZvcnRhYmxlIHN1YmplY3RpbmcgTkZTdjMvdjQN Cj4gcmVwbGF5IGNhY2hlcyB0byB0aGlzIHRyZWF0bWVudCB5ZXQiIHRoYXQgeW91IHdlcmUgcmVm ZXJyaW5nIHRvIFhJRA0KPiBjb2xsaXNpb24uICBJcyB0aGVyZSBhbm90aGVyIHBvdGVudGlhbCBp c3N1ZSB3aXRoIG11bHRpcGF0aGluZyBhbmQNCj4gcmVwbGF5IGNhY2hlcz8NCg0KVGhlcmUgaXMg dGhlIHF1ZXN0aW9uIG9mIHdoYXQgdG8gZG8gd2hlbiBhIE5JQyBnb2VzIGRvd24uIERvIHdlIGZh aWwNCm92ZXIgdG8gYSBkaWZmZXJlbnQgY29ubmVjdGlvbiBvciBub3Q/IFRoZSBleGlzdGluZyBw cmFjdGljZXMgdy5yLnQuDQpEUkNzIHN1Z2dlc3QgdGhhdCB3ZSBjYW5ub3QgZG8gc287IGZvciBp bnN0YW5jZSB0aGUgTGludXggc2VydmVyIERSQw0Kd291bGQgYnJlYWsgaW4gdGhhdCBjYXNlLCBs ZWFkaW5nIHBvdGVudGlhbGx5IHRvIGlzc3VlcyB3aXRoIG5vbi0NCmlkZW1wb3RlbnQgb3BlcmF0 aW9ucyB0aGF0IG5lZWQgdG8gYmUgcmVwbGF5ZWQuDQoNCi0tIA0KVHJvbmQgTXlrbGVidXN0DQpM aW51eCBORlMgY2xpZW50IG1haW50YWluZXIsIFByaW1hcnlEYXRhDQp0cm9uZC5teWtsZWJ1c3RA cHJpbWFyeWRhdGEuY29tDQo=