Return-Path: X-Original-To: apmail-hadoop-common-user-archive@www.apache.org Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 9689126D3 for ; Tue, 26 Apr 2011 01:04:08 +0000 (UTC) Received: (qmail 150 invoked by uid 500); 26 Apr 2011 01:04:05 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 110 invoked by uid 500); 26 Apr 2011 01:04:05 -0000 Mailing-List: contact common-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-user@hadoop.apache.org Delivered-To: mailing list common-user@hadoop.apache.org Received: (qmail 101 invoked by uid 99); 26 Apr 2011 01:04:05 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 26 Apr 2011 01:04:05 +0000 X-ASF-Spam-Status: No, hits=-2.3 required=5.0 tests=RCVD_IN_DNSWL_MED,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [129.93.165.11] (HELO cse-mail.unl.edu) (129.93.165.11) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 26 Apr 2011 01:03:58 +0000 Received: from cse-barracuda.cse.unl.edu (cse-barracuda.unl.edu [129.93.164.185]) (authenticated bits=0) by cse-mail.unl.edu (8.14.3/8.14.3) with ESMTP id p3Q13WL8017652 for ; Mon, 25 Apr 2011 20:03:37 -0500 (CDT) X-ASG-Debug-ID: 1303779811-4b5c35b4e9ae-YnEwtc Received: from cse.unl.edu (cse.unl.edu [129.93.165.2]) by cse-barracuda.cse.unl.edu with ESMTP id 6J3a0c6NY1stZSO6 for ; Mon, 25 Apr 2011 20:03:31 -0500 (CDT) X-Barracuda-Envelope-From: bbockelm@cse.unl.edu X-Barracuda-RBL-Trusted-Forwarder: 129.93.165.2 Received: from [10.0.1.4] (cpe-76-84-71-230.neb.res.rr.com [76.84.71.230] (may be forged)) (authenticated bits=0) by cse.unl.edu (8.14.4/8.14.3) with ESMTP id p3Q13ULa017532 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO) for ; Mon, 25 Apr 2011 20:03:31 -0500 From: Brian Bockelman Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: multipart/signed; boundary=Apple-Mail-134--944908523; protocol="application/pkcs7-signature"; micalg=sha1 Subject: Re: Fixing a bad HD Date: Mon, 25 Apr 2011 20:03:25 -0500 X-ASG-Orig-Subj: Re: Fixing a bad HD In-Reply-To: <-7300130996194057799@unknownmsgid> To: common-user@hadoop.apache.org References: <4DB605D1.3030804@casalemedia.com> <-7300130996194057799@unknownmsgid> Message-Id: <535A1478-B92B-4F89-9318-9D9F03E4329D@cse.unl.edu> X-Mailer: Apple Mail (2.1084) X-Barracuda-Connect: cse.unl.edu[129.93.165.2] X-Barracuda-Start-Time: 1303779811 X-Barracuda-URL: http://cse-barracuda.unl.edu:8000/cgi-mod/mark.cgi X-Virus-Scanned: clamav-milter 0.97 at cse-mail X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=9.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.2.61936 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (cse-mail.unl.edu [129.93.165.11]); Mon, 25 Apr 2011 20:03:37 -0500 (CDT) X-Virus-Status: Clean --Apple-Mail-134--944908523 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Much quicker, but less safe: data might become inaccessible between = boots if you simultaneously lose another node. Probably not an issue at = 3 replicas, but definitely an issue at 2. Brian On Apr 25, 2011, at 7:58 PM, James Seigel wrote: > Quicker: >=20 > Shut off power > Throw hard drive out put new one in > Turn power back on. >=20 > Sent from my mobile. Please excuse the typos. >=20 > On 2011-04-25, at 5:38 PM, Mayuran Yogarajah > wrote: >=20 >> Hello, >>=20 >> One of our nodes has a bad hard disk which needs to be replaced. I'm = planning on doing the following: >> 1) Decommission the node >> 2) Replace the disk >> 3) Bring the node back into the cluster >>=20 >> Is there a quicker/better way to address this? Please advise. >>=20 >> thanks, >> M --Apple-Mail-134--944908523 Content-Disposition: attachment; filename=smime.p7s Content-Type: application/pkcs7-signature; name=smime.p7s Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIIKDCCA/gw ggLgoAMCAQICASkwDQYJKoZIhvcNAQEFBQAwdTETMBEGCgmSJomT8ixkARkWA25ldDESMBAGCgmS JomT8ixkARkWAkVTMQ4wDAYDVQQKEwVFU25ldDEgMB4GA1UECxMXQ2VydGlmaWNhdGUgQXV0aG9y aXRpZXMxGDAWBgNVBAMTD0VTbmV0IFJvb3QgQ0EgMTAeFw0wMjEyMDUwODAwMDBaFw0xMzAxMjUw ODAwMDBaMGkxEzARBgoJkiaJk/IsZAEZFgNvcmcxGDAWBgoJkiaJk/IsZAEZFghET0VHcmlkczEg MB4GA1UECxMXQ2VydGlmaWNhdGUgQXV0aG9yaXRpZXMxFjAUBgNVBAMTDURPRUdyaWRzIENBIDEw ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC09dYjYaPbCD5mtbiQb7Ka3y1qAm0ZcqKC FciWcfe8Kwcuy9tjHuIsLf9ZItdkDW4xy8sua9nJlx3KlwjtumTMtOtg35KZCknUd8KM4VGTSFdL VG9AbNayef76caVCGM1+jyF0Lq03kauGOPTcNfZe1TZa3e1c9rc8ljV5OSWa/mfsCACyS5zFIWu0 yIDNyJdf+n0hwaPN53wllpJ30taD+JBjQ7h2k4xRWzeaznLOb9OztZVRA/1sVze+iczFh2xwa4Vd Gy0eIIPw1pfvYwxO36rm0S109qvbsNlaroPRbxerPKakQLpKe034Xcx7gBPqUk/FxoRRWin5EWN3 rz9LAgMBAAGjgZ4wgZswDgYDVR0PAQH/BAQDAgGGMBEGCWCGSAGG+EIBAQQEAwIAhzAdBgNVHQ4E FgQUyhkdEo5upDhdQtQxDgjb2Y0XDV0wHwYDVR0jBBgwFoAUvF1NSC/4NZRZq1yJSz7RsjoUAeow DwYDVR0TAQH/BAUwAwEB/zAlBgNVHREEHjAcgRpET0VHcmlkcy1DQS0xQGRvZWdyaWRzLm9yZzAN BgkqhkiG9w0BAQUFAAOCAQEAZNVrIDLqe39CEOiJt7Q7EpBPhAihMvDTSf/42u0SMbUmChww4mLm ph5DBghZUVF8Yn59kRZMn1QLOtO1HzLqvAvPITacZVPlJgG2IXzlR636YghZFAycbIUEOJDBHR4v tQO1KDxgZwvAbtmKIoxvhUCq2xsfFt9kCBBn+JYtQ6O5LsBJq3PmuubeMcc7mbQAfJZ7h/3Qghgk FIhmE1+LBXPJbkuP8vgfg6h2BKoAf5TFfZECgGZKimfN110tBvfedGZwYYd3/GsJc83B0JN1gny0 gqNVPm392UchXGeBRrHnm2gkhIkr48Oq6EmNGV9/a6XfbplQW/JWbtPVPWkaizCCBCgwggMQoAMC AQICAwCvNzANBgkqhkiG9w0BAQUFADBpMRMwEQYKCZImiZPyLGQBGRYDb3JnMRgwFgYKCZImiZPy LGQBGRYIRE9FR3JpZHMxIDAeBgNVBAsTF0NlcnRpZmljYXRlIEF1dGhvcml0aWVzMRYwFAYDVQQD Ew1ET0VHcmlkcyBDQSAxMB4XDTEwMDUyNDE4MTg0OVoXDTExMDUyNDE4MTg0OVowYTETMBEGCgmS JomT8ixkARkWA29yZzEYMBYGCgmSJomT8ixkARkWCGRvZWdyaWRzMQ8wDQYDVQQLEwZQZW9wbGUx HzAdBgNVBAMTFkJyaWFuIEJvY2tlbG1hbiA1MDQzMDcwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw ggEKAoIBAQCwiNKRMFRMWG+AJyo/G5bYisPndrH+44JqRHdxDzMaQP59gxrBO2koRwg/13gINe3e J8QL6bX4ANz/y1uglsytmoJwK5J9fxNYgJgbja83kO0j0HNL6oIyBhGStluaNTbiHrk8GA95M9VR XRqpYiwKvT1F0KS2r7sZ+PWevbAek787eTqg51yuvUUlIBPgTm1kV3vZs21oeIZUuw7wPGXBKN49 XqIDsamUIqiFARwPgqKR9eo6itlYy2NrHo0hHLXew37rEOcKv/0g4pI4J/y4+1qB7fN3nMkIMack FWfAQTngcnH/JpKmh8fmXdkeVv8EKYUXIgkUI5pb+Ak105olAgMBAAGjgeAwgd0wEQYJYIZIAYb4 QgEBBAQDAgWgMA4GA1UdDwEB/wQEAwIF4DA2BgNVHSAELzAtMA0GCyqGSIb3TAMHAQMBMAwGCiqG SIb3TAUCAgEwDgYMKoZIhvdMBQIDAgEBMD4GA1UdHwQ3MDUwM6AxoC+GLWh0dHA6Ly9jcmwuZG9l Z3JpZHMub3JnLzFjM2YyY2E4LzFjM2YyY2E4LmNybDAfBgNVHREEGDAWgRRiYm9ja2VsbUBjc2Uu dW5sLmVkdTAfBgNVHSMEGDAWgBTKGR0Sjm6kOF1C1DEOCNvZjRcNXTANBgkqhkiG9w0BAQUFAAOC AQEAlQSD+8Cvb0GxWqD4xhXd8Sl5MJRr1uJxMeGoMA4RZAJuyvVlBUx8v5moqY0XHMfNI+FulyMx wgOoNfvF3dluz3J4C/u5NvzfNqikLj++sL4XDaZoxSHLo9cJxVTcM15Gogct+kvIF1+msEsqLlNR /lqUVE/o8ANdD6PVx/044f/Dzi6s+6jZmBz/vWPI77ymT1EHaAkaHDqoNIlItPQrAHdkJWY67v1z s6mDrKaspF/2ThDdYax208o1oLFd8wY8kQUdTBlMmUAbchQnjOC9vH17w6meDc8VxD+pEL3vAiG2 JN2vzQ3IJCYTCTmagUyiLWHFEudH8Brn43NY0/HwKTGCAv0wggL5AgEBMHAwaTETMBEGCgmSJomT 8ixkARkWA29yZzEYMBYGCgmSJomT8ixkARkWCERPRUdyaWRzMSAwHgYDVQQLExdDZXJ0aWZpY2F0 ZSBBdXRob3JpdGllczEWMBQGA1UEAxMNRE9FR3JpZHMgQ0EgMQIDAK83MAkGBSsOAwIaBQCgggFi MBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTExMDQyNjAxMDMyNlow IwYJKoZIhvcNAQkEMRYEFEWi3Nt+l0goRhtfIyARJu8SmDfZMH8GCSsGAQQBgjcQBDFyMHAwaTET MBEGCgmSJomT8ixkARkWA29yZzEYMBYGCgmSJomT8ixkARkWCERPRUdyaWRzMSAwHgYDVQQLExdD ZXJ0aWZpY2F0ZSBBdXRob3JpdGllczEWMBQGA1UEAxMNRE9FR3JpZHMgQ0EgMQIDAK83MIGBBgsq hkiG9w0BCRACCzFyoHAwaTETMBEGCgmSJomT8ixkARkWA29yZzEYMBYGCgmSJomT8ixkARkWCERP RUdyaWRzMSAwHgYDVQQLExdDZXJ0aWZpY2F0ZSBBdXRob3JpdGllczEWMBQGA1UEAxMNRE9FR3Jp ZHMgQ0EgMQIDAK83MA0GCSqGSIb3DQEBAQUABIIBAFCbR7yVaxNNrGjksYXbbnKgz0jbx5ViaT37 u4TEnaY5IitG5RLUGKSgZg517Y4EtamTFSNnEUcIeORRZgVhiPbPOfoUnW85Ke27HcNQ64p9Pm9L l1zyzM3y6/AnEJaJxQmYORJ3HhRGDg+hWiDMoZtYqnYYvPaqufE71mjC0e62pbtq+0/d+dEl3Si1 9JwKBy/QixdS9ON4t4C01KiL40b+7LGhxdvPmz2vNsawVj61GLeWeRwYBypKFUnqNCdSZYr8yxEc SOHnHBxvCB3PDD1/NeIGpTj6x5NPSjM8r1CzdNCOY3etpsUjefsqaOqOOpujLToFuMnaNWQCrku0 c0gAAAAAAAA= --Apple-Mail-134--944908523--