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Tue, 9 Jul 2013 06:46:53 +0000 Received: from DB3PR07MB057.eurprd07.prod.outlook.com (10.242.137.144) by AM2PRD0710HT002.eurprd07.prod.outlook.com (10.255.165.37) with Microsoft SMTP Server (TLS) id 14.16.329.3; Tue, 9 Jul 2013 06:46:22 +0000 Received: from DB3PR07MB059.eurprd07.prod.outlook.com (10.242.137.149) by DB3PR07MB057.eurprd07.prod.outlook.com (10.242.137.144) with Microsoft SMTP Server (TLS) id 15.0.702.21; Tue, 9 Jul 2013 06:46:20 +0000 Received: from DB3PR07MB059.eurprd07.prod.outlook.com ([169.254.2.80]) by DB3PR07MB059.eurprd07.prod.outlook.com ([169.254.2.80]) with mapi id 15.00.0702.005; Tue, 9 Jul 2013 06:46:20 +0000 From: Ivailo Tanusheff To: mxb , Steven Hartland Subject: RE: Slow resilvering with mirrored ZIL Thread-Topic: Slow resilvering with mirrored ZIL Thread-Index: AQHOd+tbf+F9+D3Sm0aSEsDbaMdqDJlS63aAgAAJSYCAABH2AIAABPjZgAAD5YCAAJSVgIABGwyAgAAFcYCAAAWKgIAAGraAgAAITruAABYvAIAAKSq7gAC7DACAAEdnAIAAEH3lgAA/DoCABXDj4A== Date: Tue, 9 Jul 2013 06:46:19 +0000 Message-ID: <111013dbe0cd4cebb20791a0f19ce724@DB3PR07MB059.eurprd07.prod.outlook.com> References: <20130704000405.GA75529@icarus.home.lan> <20130704171637.GA94539@icarus.home.lan> <2A261BEA-4452-4F6A-8EFB-90A54D79CBB9@alumni.chalmers.se> <20130704191203.GA95642@icarus.home.lan> <43015E9015084CA6BAC6978F39D22E8B@multiplay.co.uk> <3CFB4564D8EB4A6A9BCE2AFCC5B6E400@multiplay.co.uk> <51D6A206.2020303@digsys.bg> <20130705145332.GA5449@icarus.home.lan> <9052B6E6-F742-4C10-87B5-2EFE03FDB31E@alumni.chalmers.se> In-Reply-To: <9052B6E6-F742-4C10-87B5-2EFE03FDB31E@alumni.chalmers.se> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [217.18.249.148] x-forefront-prvs: 0902222726 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: skrill.com Cc: "freebsd-fs@freebsd.org" X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2013 06:47:03 -0000 Hi, Sorry for the late response, but you may also eneble vdev prefetch to incre= ase the speed of resilver: sysctl vfs.zfs.vdev.cache.size Some say this speeds up the process :) Regards, Ivailo Tanusheff -----Original Message----- From: owner-freebsd-fs@freebsd.org [mailto:owner-freebsd-fs@freebsd.org] On= Behalf Of mxb Sent: Friday, July 05, 2013 10:38 PM To: Steven Hartland Cc: freebsd-fs@freebsd.org Subject: Re: Slow resilvering with mirrored ZIL Thanks everyone for a very good info provided in this discussion! Question is if I should wait for resilvering to finish? It runs at 97B/s no= w. Do I have any other options in this situation? Put back old disk? I really don't want to lose all data on this pool. //mxb