From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Buckingham Subject: mdadm: making a spare actie Date: Thu, 19 Jun 2008 10:23:39 +0100 Message-ID: <485A259B.9040106@blueyonder.co.uk> Reply-To: jbuckingham@blueyonder.co.uk Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms000106090009010304040800" Return-path: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org Cc: Jon Buckingham List-Id: linux-raid.ids This is a cryptographically signed message in MIME format. --------------ms000106090009010304040800 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Hi, I have had a corruption of some sort on my raid5 setup, and have not quite been able to solve it. A previously failed disk partition is now a spare, but I cannot get it made active again! My array is /dev/md0 The components of this are /dev/sda5, sdb5, sdc5, sdd5 /dev/sdb5 was failed, and is now spare. (NB: something got corrupted on that parition I think, other partitions on that disk function ok) Here is some output... nas:~ # mdadm -E /dev/sdb5 (the "spare") -------------------------- /dev/sdb5: Magic : a92b4efc Version : 00.90.03 UUID : b54e46e1:b6a6e6ea:3ae5a5a5:04e207e4 Creation Time : Fri Aug 4 22:42:14 2006 Raid Level : raid5 Used Dev Size : 244380672 (233.06 GiB 250.25 GB) Array Size : 733142016 (699.18 GiB 750.74 GB) Raid Devices : 4 Total Devices : 4 Preferred Minor : 0 Update Time : Wed Jun 18 20:58:38 2008 State : clean Active Devices : 3 Working Devices : 4 Failed Devices : 1 Spare Devices : 1 Checksum : f11b2114 - correct Events : 0.3796128 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 4 8 21 4 spare /dev/sdb5 0 0 8 5 0 active sync /dev/sda5 1 1 0 0 1 faulty removed 2 2 8 37 2 active sync /dev/sdc5 3 3 8 53 3 active sync /dev/sdd5 4 4 8 21 4 spare /dev/sdb5 nas:~ # mdadm -E /dev/sda5 (an "ok" partition) -------------------------- /dev/sda5: Magic : a92b4efc Version : 00.90.03 UUID : b54e46e1:b6a6e6ea:3ae5a5a5:04e207e4 Creation Time : Fri Aug 4 22:42:14 2006 Raid Level : raid5 Used Dev Size : 244380672 (233.06 GiB 250.25 GB) Array Size : 733142016 (699.18 GiB 750.74 GB) Raid Devices : 4 Total Devices : 3 Preferred Minor : 0 Update Time : Thu Jun 19 09:51:45 2008 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 1 Spare Devices : 0 Checksum : f11bd635 - correct Events : 0.3796148 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 0 8 5 0 active sync /dev/sda5 0 0 8 5 0 active sync /dev/sda5 1 1 0 0 1 faulty removed 2 2 8 37 2 active sync /dev/sdc5 3 3 8 53 3 active sync /dev/sdd5 ------------------------------ nas:~ # mdadm -A /dev/md0 -U summaries /dev/sda5 /dev/sdb5 /dev/sdc5 /dev/sdd5 mdadm: /dev/md0 has been started with 3 drives (out of 4) and 1 spare. ------------------------------ nas:~ # mdadm --grow --raid-devices=4 /dev/md0 mdadm: /dev/md0: Cannot reshape array without increasing size (yet). ------------------------------ I have also done mdadm /dev/md0 -a /dev/sdb5 and this results in a recovery... nas:~ # cat /proc/mdstat Personalities : [raid6] [raid5] [raid4] md0 : active raid5 sdb5[4] sda5[0] sdd5[3] sdc5[2] 733142016 blocks level 5, 64k chunk, algorithm 2 [4/3] [U_UU] [=>...................] recovery = 7.3% (17900780/244380672) finish=174.1min speed=21666K/sec unused devices: Which I've been through before, but still ends up as a spare. Any ideas? Thanks!! Jon B --------------ms000106090009010304040800 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 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJLzCC AvIwggJboAMCAQICED+2nVJ0BG6weLaGhJbjTK4wDQYJKoZIhvcNAQEFBQAwYjELMAkGA1UE BhMCWkExJTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMT I1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBMB4XDTA4MDMxNzIwNDcyM1oX DTA5MDMxNzIwNDcyM1owTjEfMB0GA1UEAxMWVGhhd3RlIEZyZWVtYWlsIE1lbWJlcjErMCkG CSqGSIb3DQEJARYcamJ1Y2tpbmdoYW1AYmx1ZXlvbmRlci5jby51azCCASIwDQYJKoZIhvcN AQEBBQADggEPADCCAQoCggEBAMpt089Gj6mNQnCzJzLATutrPfBKs8EgZz+I0Id+fiiwSCbp zDnOay4itz4EyXgsUw/zcZyMNwT+JJQiznaSlHagGZs5AiA059yvLuLb6C0FrMOFjpREHJDf mdA6lSEeNjCHUEPNkvZvrAapQdK2QtCQhJcoacYAy97+FLSOaRlFO99Ggq6/ROvF2SU2kPQj omE5t3uOHtm4GbGblbwaUztHFWB7d6WKyLJF8AeDHSKVqBMd1I4JhttdZsTz6lLc6csVB+do 6+EYWkrttS14Nyprw91a9OxtY6m8zFBNgQR460IvdEmCwHdTF4krE0LSTVXRvyrmvpdz3oN2 HVBGlY0CAwEAAaM5MDcwJwYDVR0RBCAwHoEcamJ1Y2tpbmdoYW1AYmx1ZXlvbmRlci5jby51 azAMBgNVHRMBAf8EAjAAMA0GCSqGSIb3DQEBBQUAA4GBAAq+YglaqniAq4ToNKx/yTvPTdT3 eo34CLo1IoYz5b0e23QgiOxPWdahf59uxytDE0oq9GGj4HvrQazG9oKd+pEMikT9FJnIrjRW 02jCYrO90/060ovsQX1KPYpSC9WtCLQlg7LRmq9a8sYkbpbu/qx5KdtixduIs/ZyPV5ZyOcW MIIC8jCCAlugAwIBAgIQP7adUnQEbrB4toaEluNMrjANBgkqhkiG9w0BAQUFADBiMQswCQYD VQQGEwJaQTElMCMGA1UEChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0eSkgTHRkLjEsMCoGA1UE AxMjVGhhd3RlIFBlcnNvbmFsIEZyZWVtYWlsIElzc3VpbmcgQ0EwHhcNMDgwMzE3MjA0NzIz WhcNMDkwMzE3MjA0NzIzWjBOMR8wHQYDVQQDExZUaGF3dGUgRnJlZW1haWwgTWVtYmVyMSsw KQYJKoZIhvcNAQkBFhxqYnVja2luZ2hhbUBibHVleW9uZGVyLmNvLnVrMIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEAym3Tz0aPqY1CcLMnMsBO62s98EqzwSBnP4jQh35+KLBI JunMOc5rLiK3PgTJeCxTD/NxnIw3BP4klCLOdpKUdqAZmzkCIDTn3K8u4tvoLQWsw4WOlEQc kN+Z0DqVIR42MIdQQ82S9m+sBqlB0rZC0JCElyhpxgDL3v4UtI5pGUU730aCrr9E68XZJTaQ 9COiYTm3e44e2bgZsZuVvBpTO0cVYHt3pYrIskXwB4MdIpWoEx3UjgmG211mxPPqUtzpyxUH 52jr4RhaSu21LXg3KmvD3Vr07G1jqbzMUE2BBHjrQi90SYLAd1MXiSsTQtJNVdG/Kua+l3Pe g3YdUEaVjQIDAQABozkwNzAnBgNVHREEIDAegRxqYnVja2luZ2hhbUBibHVleW9uZGVyLmNv LnVrMAwGA1UdEwEB/wQCMAAwDQYJKoZIhvcNAQEFBQADgYEACr5iCVqqeICrhOg0rH/JO89N 1Pd6jfgIujUihjPlvR7bdCCI7E9Z1qF/n27HK0MTSir0YaPge+tBrMb2gp36kQyKRP0Umciu NFbTaMJis73T/TrSi+xBfUo9ilIL1a0ItCWDstGar1ryxiRulu7+rHkp22LF24iz9nI9XlnI 5xYwggM/MIICqKADAgECAgENMA0GCSqGSIb3DQEBBQUAMIHRMQswCQYDVQQGEwJaQTEVMBMG A1UECBMMV2VzdGVybiBDYXBlMRIwEAYDVQQHEwlDYXBlIFRvd24xGjAYBgNVBAoTEVRoYXd0 ZSBDb25zdWx0aW5nMSgwJgYDVQQLEx9DZXJ0aWZpY2F0aW9uIFNlcnZpY2VzIERpdmlzaW9u MSQwIgYDVQQDExtUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgQ0ExKzApBgkqhkiG9w0BCQEW HHBlcnNvbmFsLWZyZWVtYWlsQHRoYXd0ZS5jb20wHhcNMDMwNzE3MDAwMDAwWhcNMTMwNzE2 MjM1OTU5WjBiMQswCQYDVQQGEwJaQTElMCMGA1UEChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0 eSkgTHRkLjEsMCoGA1UEAxMjVGhhd3RlIFBlcnNvbmFsIEZyZWVtYWlsIElzc3VpbmcgQ0Ew gZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMSmPFVzVftOucqZWh5owHUEcJ3f6f+jHuy9 zfVb8hp2vX8MOmHyv1HOAdTlUAow1wJjWiyJFXCO3cnwK4Vaqj9xVsuvPAsH5/EfkTYkKhPP K9Xzgnc9A74r/rsYPge/QIACZNenprufZdHFKlSFD0gEf6e20TxhBEAeZBlyYLf7AgMBAAGj gZQwgZEwEgYDVR0TAQH/BAgwBgEB/wIBADBDBgNVHR8EPDA6MDigNqA0hjJodHRwOi8vY3Js LnRoYXd0ZS5jb20vVGhhd3RlUGVyc29uYWxGcmVlbWFpbENBLmNybDALBgNVHQ8EBAMCAQYw KQYDVR0RBCIwIKQeMBwxGjAYBgNVBAMTEVByaXZhdGVMYWJlbDItMTM4MA0GCSqGSIb3DQEB BQUAA4GBAEiM0VCD6gsuzA2jZqxnD3+vrL7CF6FDlpSdf0whuPg2H6otnzYvwPQcUCCTcDz9 reFhYsPZOhl+hLGZGwDFGguCdJ4lUJRix9sncVcljd2pnDmOjCBPZV+V2vf3h9bGCE6u9uo0 5RAaWzVNd+NWIXiC3CEZNd4ksdMdRv9dX2VPMYIDZDCCA2ACAQEwdjBiMQswCQYDVQQGEwJa QTElMCMGA1UEChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0eSkgTHRkLjEsMCoGA1UEAxMjVGhh d3RlIFBlcnNvbmFsIEZyZWVtYWlsIElzc3VpbmcgQ0ECED+2nVJ0BG6weLaGhJbjTK4wCQYF Kw4DAhoFAKCCAcMwGAYJKoZIhvcNAQkDMQsGCSqGSIb3DQEHATAcBgkqhkiG9w0BCQUxDxcN MDgwNjE5MDkyMzM5WjAjBgkqhkiG9w0BCQQxFgQUnetYCBLzzWs+LgFDesbkH5jGu+MwUgYJ KoZIhvcNAQkPMUUwQzAKBggqhkiG9w0DBzAOBggqhkiG9w0DAgICAIAwDQYIKoZIhvcNAwIC AUAwBwYFKw4DAgcwDQYIKoZIhvcNAwICASgwgYUGCSsGAQQBgjcQBDF4MHYwYjELMAkGA1UE BhMCWkExJTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMT I1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBAhA/tp1SdARusHi2hoSW40yu MIGHBgsqhkiG9w0BCRACCzF4oHYwYjELMAkGA1UEBhMCWkExJTAjBgNVBAoTHFRoYXd0ZSBD b25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMTI1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFp bCBJc3N1aW5nIENBAhA/tp1SdARusHi2hoSW40yuMA0GCSqGSIb3DQEBAQUABIIBALQ01g7J hIzuCq3Bx4uoFG12sf5R7h5v+K7WUDCof9OFc30zX+vTq/R1VjdyQQLGAupov/fnqP4mAoTd I9aeqJBvdabMCL4dAvKt/ZfxFVzczyQyzi7gh39ufTq7sVIYTQGJDnWDwsGdWRtd0FZDbu6I im/yGDjSZlipFRooBphaf4O6LDRUNENEeuL9iXhQcoN7XF+NmG90UQyHmbIq1Jl9rg0j9ZDG m5RC4Y5XYopN80zESeTUI4h7s6FRj1pPnykVV8jLXS3vECmaigBobxWLlsb/YHE72E+rrAHx tlyyxH4VFPvF963C5xP6b14Vy+cmWYDvLR1z/PlM0/9iCJoAAAAAAAA= --------------ms000106090009010304040800--