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Fri, 11 Jun 2021 05:26:49 +0000 From: Michael Wakabayashi To: Alex Romanenko , Olga Kornievskaia CC: Trond Myklebust , "linux-nfs@vger.kernel.org" , "SteveD@redhat.com" Subject: Re: NFSv4: Mounting NFS server which is down, blocks all other NFS mounts on same machine Thread-Topic: NFSv4: Mounting NFS server which is down, blocks all other NFS mounts on same machine Thread-Index: AQHXSrzxNwU+/2izAUaNQrMQbCMgXKrrMRoAgAGJKICAAZPoloAADT6AgAAH7wqAABF6AIAAETsAgAAJXACAG0yW/4AAkD6AgADZOSOAAJIEAIAAVdBggAI8kas= Date: Fri, 11 Jun 2021 05:26:49 +0000 Message-ID: References: <6ae47edc-2d47-df9a-515a-be327a20131d@RedHat.com> <43b719c36652cdaf110a50c84154fca54498e772.camel@hammerspace.com> , In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: vmware.com; dkim=none (message not signed) header.d=none;vmware.com; dmarc=none action=none header.from=vmware.com; x-originating-ip: [67.161.44.194] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: e3e1807b-edcc-486a-f63f-08d92c998328 x-ms-traffictypediagnostic: CO1PR05MB7879: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8882; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: vmware.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CO1PR05MB8101.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: e3e1807b-edcc-486a-f63f-08d92c998328 X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Jun 2021 05:26:49.0539 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b39138ca-3cee-4b4a-a4d6-cd83d9dd62f0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: j8RLGhh31ybHC8+lXE5Hpy8DfQo2Owe4v1+La/3ZdHNxBKZ5yDFBT65qrITS2NwVPFqo8QWls6b1AKzPYkFoVQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR05MB7879 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Hi everyone,=0A= =0A= I took the patch created by Trond:=0A= https://marc.info/?l=3Dlinux-nfs&m=3D162326359818467&w=3D2=0A= [Subject: [PATCH] NFSv4: Initialise connection to the server in nfs4_al= loc_client()]=0A= Then rebuilt the NFSv4 kernel module and installed it on my Ubuntu virtual = machine.=0A= =0A= The valid NFS mounts are no longer being blocked!=0A= =0A= We've had several=A0fairly significant outages for almost a year now=0A= (when we migrated to NFSv4) due to this issue and this patch will=0A= eliminate these types of incidents.=0A= =0A= We greatly appreciate all the work that was done (especially knowing=0A= everyone has a busy schedule).=0A= Thanks so much to everyone that helped!=0A= =0A= Mike=