Date: Tue, 07 Jul 2009 00:15:46 +0400 From: "Marat N.Afanasyev" <amarat@ksu.ru> To: Kostik Belousov <kostikbel@gmail.com> Cc: Ralf Folkerts <ralf.folkerts@gmx.de>, FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: bug in ufs? Message-ID: <4A525B72.1010808@ksu.ru> In-Reply-To: <20090706193653.GU2884@deviant.kiev.zoral.com.ua> References: <4A50E947.9020608@ksu.ru> <4A523518.7050008@gmx.de> <4A523849.1070001@ksu.ru> <20090706193653.GU2884@deviant.kiev.zoral.com.ua>
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This is a cryptographically signed message in MIME format. --------------ms000003020409070406060704 Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 7bit Kostik Belousov wrote: > On Mon, Jul 06, 2009 at 09:45:45PM +0400, Marat N.Afanasyev wrote: >> i have a huge amount of small files on the source systems, as you can >> see they have about 20 million files and almost each of them is jpeg or >> gif. afaik, there are no sparse files at all. >> >> i still cannot figure out what is it: a free space leak in ufs2+su or >> bug in statfs(3), that is used in df, or something else. > > My guess that it is due to fragmentation. > As an experiment, try to create 1-byte file. Does it work on the filesystem > in described state ? I can create small files, as many as i have patience, maximum size of such "small file" is 14336, so. it seems that if file is no greater than (block_size-2048) it can be created. larger file cannot be created. imho, fragmentation on filesystem should be very low, there were no deletions on it, just creations. -- SY, Marat --------------ms000003020409070406060704 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIII8zCC AtQwggI9oAMCAQICEHpsMo6nkbUVegxjAzzxYCkwDQYJKoZIhvcNAQEFBQAwYjELMAkGA1UE BhMCWkExJTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMT I1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBMB4XDTA5MDQwMTE5MTUxOFoX DTEwMDQwMTE5MTUxOFowPzEfMB0GA1UEAxMWVGhhd3RlIEZyZWVtYWlsIE1lbWJlcjEcMBoG CSqGSIb3DQEJARYNYW1hcmF0QGtzdS5ydTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC ggEBALqa7MfgjbsxmgpTOKxAN7w+cFViFA8NrULAARwVQJQJCnVRGf3i97EwNdLE8VTNniU4 ybS4gtLsy9gfNuuyPV2AJESpgrxaG+KZyHu1f6P4e31YBbnbtWVTUxZ3U/vWoL+BOAOI4S84 Cx834a4uYK75WhpZKd56qet5loyn9N1wBZNgCh9AwU31lA/Q0iCSKpEIxuhbElNXHNnqAlts CtNXsKgsT8mP7QI52h0cBOPSZqvz++e/wruJGgKeCECqo8ftwwya3CYkH1lhH2Q1zeXwez1E 1+solM48odH+odn29ctmOqr3PzZfmBJyGFf5FagTKNia/ys48yBtVU/RXHsCAwEAAaMqMCgw GAYDVR0RBBEwD4ENYW1hcmF0QGtzdS5ydTAMBgNVHRMBAf8EAjAAMA0GCSqGSIb3DQEBBQUA A4GBAG4Pj7KRSJ/M28KNynJOPCHg26L15S9OfQ+ckMaPPDRAejtdlUdCgkoyD9d1Du/amAk6 A3NcY2I/MsFW2vSonQfU+7cJZiyuhfw7wQlOovCx7USw1dmF6u3EljWZV+Kg4Vi3vN2dPyJx tv8li9McWQoMLmm5zzFGGRaSRnnrnZFsMIIC1DCCAj2gAwIBAgIQemwyjqeRtRV6DGMDPPFg KTANBgkqhkiG9w0BAQUFADBiMQswCQYDVQQGEwJaQTElMCMGA1UEChMcVGhhd3RlIENvbnN1 bHRpbmcgKFB0eSkgTHRkLjEsMCoGA1UEAxMjVGhhd3RlIFBlcnNvbmFsIEZyZWVtYWlsIElz c3VpbmcgQ0EwHhcNMDkwNDAxMTkxNTE4WhcNMTAwNDAxMTkxNTE4WjA/MR8wHQYDVQQDExZU aGF3dGUgRnJlZW1haWwgTWVtYmVyMRwwGgYJKoZIhvcNAQkBFg1hbWFyYXRAa3N1LnJ1MIIB IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuprsx+CNuzGaClM4rEA3vD5wVWIUDw2t QsABHBVAlAkKdVEZ/eL3sTA10sTxVM2eJTjJtLiC0uzL2B8267I9XYAkRKmCvFob4pnIe7V/ o/h7fVgFudu1ZVNTFndT+9agv4E4A4jhLzgLHzfhri5grvlaGlkp3nqp63mWjKf03XAFk2AK H0DBTfWUD9DSIJIqkQjG6FsSU1cc2eoCW2wK01ewqCxPyY/tAjnaHRwE49Jmq/P757/Cu4ka Ap4IQKqjx+3DDJrcJiQfWWEfZDXN5fB7PUTX6yiUzjyh0f6h2fb1y2Y6qvc/Nl+YEnIYV/kV qBMo2Jr/KzjzIG1VT9FcewIDAQABoyowKDAYBgNVHREEETAPgQ1hbWFyYXRAa3N1LnJ1MAwG A1UdEwEB/wQCMAAwDQYJKoZIhvcNAQEFBQADgYEAbg+PspFIn8zbwo3Kck48IeDbovXlL059 D5yQxo88NEB6O12VR0KCSjIP13UO79qYCToDc1xjYj8ywVba9KidB9T7twlmLK6F/DvBCU6i 8LHtRLDV2YXq7cSWNZlX4qDhWLe83Z0/InG2/yWL0xxZCgwuabnPMUYZFpJGeeudkWwwggM/ MIICqKADAgECAgENMA0GCSqGSIb3DQEBBQUAMIHRMQswCQYDVQQGEwJaQTEVMBMGA1UECBMM V2VzdGVybiBDYXBlMRIwEAYDVQQHEwlDYXBlIFRvd24xGjAYBgNVBAoTEVRoYXd0ZSBDb25z dWx0aW5nMSgwJgYDVQQLEx9DZXJ0aWZpY2F0aW9uIFNlcnZpY2VzIERpdmlzaW9uMSQwIgYD VQQDExtUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgQ0ExKzApBgkqhkiG9w0BCQEWHHBlcnNv bmFsLWZyZWVtYWlsQHRoYXd0ZS5jb20wHhcNMDMwNzE3MDAwMDAwWhcNMTMwNzE2MjM1OTU5 WjBiMQswCQYDVQQGEwJaQTElMCMGA1UEChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0eSkgTHRk LjEsMCoGA1UEAxMjVGhhd3RlIFBlcnNvbmFsIEZyZWVtYWlsIElzc3VpbmcgQ0EwgZ8wDQYJ KoZIhvcNAQEBBQADgY0AMIGJAoGBAMSmPFVzVftOucqZWh5owHUEcJ3f6f+jHuy9zfVb8hp2 vX8MOmHyv1HOAdTlUAow1wJjWiyJFXCO3cnwK4Vaqj9xVsuvPAsH5/EfkTYkKhPPK9Xzgnc9 A74r/rsYPge/QIACZNenprufZdHFKlSFD0gEf6e20TxhBEAeZBlyYLf7AgMBAAGjgZQwgZEw EgYDVR0TAQH/BAgwBgEB/wIBADBDBgNVHR8EPDA6MDigNqA0hjJodHRwOi8vY3JsLnRoYXd0 ZS5jb20vVGhhd3RlUGVyc29uYWxGcmVlbWFpbENBLmNybDALBgNVHQ8EBAMCAQYwKQYDVR0R BCIwIKQeMBwxGjAYBgNVBAMTEVByaXZhdGVMYWJlbDItMTM4MA0GCSqGSIb3DQEBBQUAA4GB AEiM0VCD6gsuzA2jZqxnD3+vrL7CF6FDlpSdf0whuPg2H6otnzYvwPQcUCCTcDz9reFhYsPZ Ohl+hLGZGwDFGguCdJ4lUJRix9sncVcljd2pnDmOjCBPZV+V2vf3h9bGCE6u9uo05RAaWzVN d+NWIXiC3CEZNd4ksdMdRv9dX2VPMYIDZDCCA2ACAQEwdjBiMQswCQYDVQQGEwJaQTElMCMG A1UEChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0eSkgTHRkLjEsMCoGA1UEAxMjVGhhd3RlIFBl cnNvbmFsIEZyZWVtYWlsIElzc3VpbmcgQ0ECEHpsMo6nkbUVegxjAzzxYCkwCQYFKw4DAhoF AKCCAcMwGAYJKoZIhvcNAQkDMQsGCSqGSIb3DQEHATAcBgkqhkiG9w0BCQUxDxcNMDkwNzA2 MjAxNTQ2WjAjBgkqhkiG9w0BCQQxFgQUxDU+jPxs4id9CGGkrKfTVzcHXA0wUgYJKoZIhvcN AQkPMUUwQzAKBggqhkiG9w0DBzAOBggqhkiG9w0DAgICAIAwDQYIKoZIhvcNAwICAUAwBwYF Kw4DAgcwDQYIKoZIhvcNAwICASgwgYUGCSsGAQQBgjcQBDF4MHYwYjELMAkGA1UEBhMCWkEx JTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMTI1RoYXd0 ZSBQZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBAhB6bDKOp5G1FXoMYwM88WApMIGHBgsq hkiG9w0BCRACCzF4oHYwYjELMAkGA1UEBhMCWkExJTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0 aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMTI1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBJc3N1 aW5nIENBAhB6bDKOp5G1FXoMYwM88WApMA0GCSqGSIb3DQEBAQUABIIBAHEKEOwUiq7CiFAG rPnI9k1Bm/dqk8O2b0iUs9G2ih9bq5e8MeqdmoKU38x1Wfh0z/JXLPObmPjWSe7mTNKxI+X4 qVoqnjcQpXkz8pGZaxU8bNQXmcqyjuGP2a1CDJaWGKTxJmjPSwgrJMK1Uv9N8SDctDqYU5rx jeEG6wrhA1s06d3FnpHuDptCnySrN4SQjFk6vysH4x4nTfIaG5BMYh45L2dAUXYnrkamqGOe 0hePO+lD4mGFuxh/C58AkmPjklIN/ljNl3pf4WTgqoC622tBh/l33YBdlMDcYXxlNa823eoi yuQMnbsbcRv9i4VNreEXGJ3HfmJdcY0B6TBsEz8AAAAAAAA= --------------ms000003020409070406060704--
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