From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id n6PGOow0217579 for ; Sat, 25 Jul 2009 11:24:50 -0500 Received: from mta21.charter.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 616FC385D6E for ; Sat, 25 Jul 2009 09:25:35 -0700 (PDT) Received: from mta21.charter.net (mta21.charter.net [216.33.127.81]) by cuda.sgi.com with ESMTP id pCj9lW2D1TbbKYNS for ; Sat, 25 Jul 2009 09:25:35 -0700 (PDT) Date: Sat, 25 Jul 2009 12:25:30 -0400 Subject: Re: Using xfsdump On Linux With IRIX Version 1 FS? From: Sean Elble Message-ID: In-Reply-To: Mime-version: 1.0 List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4039859835399426749==" Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Christian Kujau , Matthias Schniedermeyer Cc: xfs@oss.sgi.com > This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. --===============4039859835399426749== Content-type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="B_3331369530_141012" > This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. --B_3331369530_141012 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit On 7/25/09 5:46 AM, "Christian Kujau" wrote: > On Sat, 25 Jul 2009 at 09:26, Matthias Schniedermeyer wrote: >>> # losetup -r /dev/loop0 /path/to/IRIXbackup >>> # hexedit /dev/loop0 ...or whatever tool you'll be using. >> >> Which has what advantage over directly changing the image? > > Sean mentioned the "thrashing of the old disk" and I figured I'd be > worried not only by that but that the old disk might die anytime soon. So > I wanted to present an alternative to do the search - I don't know too > much about his setup, so it's up to him to follow this advice or not. > > I think (and hope, considering its age) that the disk is OK. My concern was more with the speed that hexedit could traverse the drive searching for a string, as opposed to dd'ing the drive to disk, editing the image, and then dd'ing the image back to disk. Using the loopback driver is definitely a thought, but I don't know if the kernel on my spare box supports it or not. I'll definitely take it into consideration, depending on how it goes, so thanks for the info. >> Even with just 10MB/s it's less than 4 Minutes for 2GB. >> In comparison it takes over 3 hours to copy a modern 1TB HDD @ 80MB/s. > > ?? (what kind of comparison is that?) > > C. -- +------------------------------------------------- | Sean Elble | Virginia Tech, Class of 2009 | E-Mail: elbles@sessys.com | Web: http://www.sessys.com/~elbles/ | Cell: 860.946.9477 +------------------------------------------------- --B_3331369530_141012 Content-type: application/pkcs7-signature; name="smime.p7s" Content-transfer-encoding: base64 Content-disposition: attachment; filename="smime.p7s" MIIIVwYJKoZIhvcNAQcCoIIISDCCCEQCAQExCzAJBgUrDgMCGgUAMAsGCSqGSIb3DQEHAaCC BiMwggLcMIICRaADAgECAhAvf5NHjc/BR/lyCoHqxXxjMA0GCSqGSIb3DQEBBQUAMGIxCzAJ BgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3dGUgQ29uc3VsdGluZyAoUHR5KSBMdGQuMSwwKgYD VQQDEyNUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgSXNzdWluZyBDQTAeFw0wOTAxMTYwMzA2 NTdaFw0xMDAxMTYwMzA2NTdaMEMxHzAdBgNVBAMTFlRoYXd0ZSBGcmVlbWFpbCBNZW1iZXIx IDAeBgkqhkiG9w0BCQEWEWVsYmxlc0BzZXNzeXMuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOC AQ8AMIIBCgKCAQEAn0fFczG75sMuPqIaVQ3vbcN+pMJbg7mVf8UAGF7O6ObUoQofVZdePd4W 3iyG2xiGssTdRTan7s5uO/x1dLFROoFk1ZbazC32s8iHD/udyQfeaJsv02e08JlCt54ajwLg lZSxAJSYKaCmAX5qUiumOEkRg86sf6c0Ry5AbfBcijfg0PEe4ptKV6sgF++VCo1ozBxSxN/b tG9LR0G5wHJyAuCc+biiGv+7/Y6vihHdMXnSVaLm2mz6xE6oEVwl+tuLXPX6UUKeEUTtiDuq yOTf7PFahGIPeWzkDkdSMf98LxxzVqsa6ak3pVgEQEZePhitLFTDPx5RlYEUfWPFWBL+qwID AQABoy4wLDAcBgNVHREEFTATgRFlbGJsZXNAc2Vzc3lzLmNvbTAMBgNVHRMBAf8EAjAAMA0G CSqGSIb3DQEBBQUAA4GBABuJXSYxgtvNq3jQwRuHmoU4pMf61yyKW8oSEKaPBbzF1PgwDBFa rAKarubKQOIUJGcGvAbPbvCCXL+rn7QsRfu/LLxVJpsZignqnp+1Xd5nc/20gkoiY/AXlFf4 bnmk9lwKF9AVHlW2PWaUqLvd+L7DNy6NZQzgo3TScU3jt/EWMIIDPzCCAqigAwIBAgIBDTAN BgkqhkiG9w0BAQUFADCB0TELMAkGA1UEBhMCWkExFTATBgNVBAgTDFdlc3Rlcm4gQ2FwZTES MBAGA1UEBxMJQ2FwZSBUb3duMRowGAYDVQQKExFUaGF3dGUgQ29uc3VsdGluZzEoMCYGA1UE CxMfQ2VydGlmaWNhdGlvbiBTZXJ2aWNlcyBEaXZpc2lvbjEkMCIGA1UEAxMbVGhhd3RlIFBl cnNvbmFsIEZyZWVtYWlsIENBMSswKQYJKoZIhvcNAQkBFhxwZXJzb25hbC1mcmVlbWFpbEB0 aGF3dGUuY29tMB4XDTAzMDcxNzAwMDAwMFoXDTEzMDcxNjIzNTk1OVowYjELMAkGA1UEBhMC WkExJTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMTI1Ro YXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBMIGfMA0GCSqGSIb3DQEBAQUAA4GN ADCBiQKBgQDEpjxVc1X7TrnKmVoeaMB1BHCd3+n/ox7svc31W/Iadr1/DDph8r9RzgHU5VAK MNcCY1osiRVwjt3J8CuFWqo/cVbLrzwLB+fxH5E2JCoTzyvV84J3PQO+K/67GD4Hv0CAAmTX p6a7n2XRxSpUhQ9IBH+nttE8YQRAHmQZcmC3+wIDAQABo4GUMIGRMBIGA1UdEwEB/wQIMAYB Af8CAQAwQwYDVR0fBDwwOjA4oDagNIYyaHR0cDovL2NybC50aGF3dGUuY29tL1RoYXd0ZVBl cnNvbmFsRnJlZW1haWxDQS5jcmwwCwYDVR0PBAQDAgEGMCkGA1UdEQQiMCCkHjAcMRowGAYD VQQDExFQcml2YXRlTGFiZWwyLTEzODANBgkqhkiG9w0BAQUFAAOBgQBIjNFQg+oLLswNo2as Zw9/r6y+whehQ5aUnX9MIbj4Nh+qLZ82L8D0HFAgk3A8/a3hYWLD2ToZfoSxmRsAxRoLgnSe JVCUYsfbJ3FXJY3dqZw5jowgT2Vfldr394fWxghOrvbqNOUQGls1TXfjViF4gtwhGTXeJLHT HUb/XV9lTzGCAfwwggH4AgEBMHYwYjELMAkGA1UEBhMCWkExJTAjBgNVBAoTHFRoYXd0ZSBD b25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMTI1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFp bCBJc3N1aW5nIENBAhAvf5NHjc/BR/lyCoHqxXxjMAkGBSsOAwIaBQCgXTAjBgkqhkiG9w0B CQQxFgQUxMEWGRME39ChgeIkMY4SkQMyFa4wGAYJKoZIhvcNAQkDMQsGCSqGSIb3DQEHATAc BgkqhkiG9w0BCQUxDxcNMDkwNzI1MTYyNTMwWjANBgkqhkiG9w0BAQEFAASCAQB5tg+BoRS7 YquOvWC6TYT0PgUrU2AdrJ8rNnflyxJoAD3kTc/2aPn7j/S9Pc07E4OmHcWv+xAiMQYctu1U eTRD5ruJnSsON+dSB2XcFOWyxadvlB7Q8U0RiTyi+klBTDMbqlme+z8EeBperz35f+BhtZ9J 9a7z06VASqqzeg1WuMNylSjpdl2W84/mkjyR2H5mi0349pq0yHpdeHCBtGcQZ8kXtx5xyfVD vClUptMtj3fnPplLL0Mxv3WXV76EkqWUor0xHpscMiBzyT8JT1pJz2ICHhsrO1r7zafTMI9y c8S20FT9cnPRzwccf5ZD5PinhpQ8AIsHsmPVawf2Z/y+ --B_3331369530_141012-- --===============4039859835399426749== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs --===============4039859835399426749==--