From mboxrd@z Thu Jan 1 00:00:00 1970 From: Carsten Aulbert Subject: Re: Recovering from two almost simultaneously failed devices in RAID1 Date: Sat, 10 Aug 2013 19:39:39 +0200 Message-ID: <52067ADB.8080100@aei.mpg.de> References: <52066A7A.5050007@aei.mpg.de> <52066B43.1010901@aei.mpg.de> Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms020001000502030207000900" Return-path: In-Reply-To: <52066B43.1010901@aei.mpg.de> Sender: linux-raid-owner@vger.kernel.org To: Linux RAID List-Id: linux-raid.ids This is a cryptographically signed message in MIME format. --------------ms020001000502030207000900 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable *sigh* Thanks to me being at home and only IPMI access with relatively high latencies, I did not manage to boot into single user mode and the system booted up normally - luckily for me, both md and ext4 tell me, the file system is safe and ok. # mdadm --detail /dev/md2 /dev/md2: Version : 1.2 Creation Time : Fri Jul 27 11:58:50 2012 Raid Level : raid1 Array Size : 250050533 (238.47 GiB 256.05 GB) Used Dev Size : 250050533 (238.47 GiB 256.05 GB) Raid Devices : 2 Total Devices : 2 Persistence : Superblock is persistent Update Time : Sat Aug 10 19:38:01 2013 State : clean Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 Name : gitmaster:2 (local to host gitmaster) UUID : 7cb262a7:54496605:238cc0bf:6fa6a3e9 Events : 61 Number Major Minor RaidDevice State 0 8 49 0 active sync /dev/sdd1 1 8 33 1 active sync /dev/sdc1 I think I got really lucky (still running checks on the git repositories on this md). Anyone who experienced such a problem with SSDs (or HDDs) being disconnected like this? Cheers Carsten --------------ms020001000502030207000900 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIE8DCC BOwwggPUoAMCAQICAk/QMA0GCSqGSIb3DQEBBQUAMDYxCzAJBgNVBAYTAkRFMRMwEQYDVQQK EwpHZXJtYW5HcmlkMRIwEAYDVQQDEwlHcmlkS2EtQ0EwHhcNMTMwNTA2MTU1OTM4WhcNMTQw NjA1MTU1OTM4WjA9MRMwEQYDVQQKEwpHZXJtYW5HcmlkMQwwCgYDVQQLEwNBRUkxGDAWBgNV BAMTD0NhcnN0ZW4gQXVsYmVydDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAJzM vu6K/4EHUx/JuCoansTOW8cSyuPbvElm7IfuuEfXHJ1/m/Lbkv/C7oA+0Pvk4WCOLBx1OVUk 4vVZ0Lq6G9ekTgeZVaqFvHXKlFdUvdp3b5/nlAGc3z7GaDG/F6LdI5Iu374cTdeSvkuNseRg KZP6Qq4GIMAZZ2hv1JC/xDxZs/59ACuL0IsjmdZPEiR8uiF01ZejehmdFiPJJP8at+PJgnoW hW21Gh72CYI3CjvfB37Q5fUOqF1gMsfJmsJokwYfLLy8BcWbmP5BQ8IOL42F2RsuPTctnnbS hhYj73Qyp4/Mxzeg1r34ZevEqM1pX6ceW7I/7Aos8HmhbcW71KMCAwEAAaOCAfswggH3MAwG A1UdEwEB/wQCMAAwDgYDVR0PAQH/BAQDAgSwMB0GA1UdDgQWBBTeMPDcRbuXT/FdxHmf8kNH EWVOVjAfBgNVHSMEGDAWgBTGdckorNEL/Dz/ubUe0187gGISNDAlBgNVHREEHjAcgRpDYXJz dGVuLkF1bGJlcnRAYWVpLm1wZy5kZTAcBgNVHRIEFTATgRFncmlka2EtY2FAa2l0LmVkdTA1 BgNVHR8ELjAsMCqgKKAmhiRodHRwOi8vZ3JpZC5memsuZGUvY2EvZ3JpZGthLWNybC5kZXIw KAYDVR0gBCEwHzAPBg0rBgEEAZQ2qywBAQEIMAwGCiqGSIb3TAUCAgEwEQYJYIZIAYb4QgEB BAQDAgWgME4GCWCGSAGG+EIBDQRBFj9DZXJ0aWZpY2F0ZSBpc3N1ZWQgdW5kZXIgQ1AvQ1BT IHYuIDEuOCBhdCBodHRwOi8vZ3JpZC5memsuZGUvY2EwJAYJYIZIAYb4QgECBBcWFWh0dHA6 Ly9ncmlkLmZ6ay5kZS9jYTAzBglghkgBhvhCAQgEJhYkaHR0cDovL2dyaWQuZnprLmRlL2Nh L2dyaWRrYS1jcHMucGRmMDMGCWCGSAGG+EIBAwQmFiRodHRwOi8vZ3JpZC5memsuZGUvY2Ev Z3JpZGthLWNybC5kZXIwDQYJKoZIhvcNAQEFBQADggEBALkdDvMzLkK1EpFkRPxEA4GpbYyy 5p59V9057HT/QUYvD7rO5KiayiRoDqgKeDW59Fek1N5W0d2IuN+j+VWLDqlBI1THd33F3Dqc 08Me/q6OkpHDjhCDnuH353n2gyxnsmXEEMozhx4onJbX0N3kZxjgNKEiP9R+zOq6Qq+CgKFS O5w/wdtCTQ5Tpfr/n90KWYwVQ2er5dnKowu6j9YIj/dD8jJGk3T13rgzdnRzWtSQhjP8YIRf ql08NsUgDShjNiBo289K7fpBNdVLGNI/pIA8P1ratofCGBPvMdjp+cjhulQX5//qS1ctP0ux 8MhY3kBMGynLkwibH5MiLfVSip0xggLOMIICygIBATA8MDYxCzAJBgNVBAYTAkRFMRMwEQYD VQQKEwpHZXJtYW5HcmlkMRIwEAYDVQQDEwlHcmlkS2EtQ0ECAk/QMAkGBSsOAwIaBQCgggFn MBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTEzMDgxMDE3Mzkz OVowIwYJKoZIhvcNAQkEMRYEFGmHGUHLIaiwVDhCGY1cfjEUeRxtMEsGCSsGAQQBgjcQBDE+ MDwwNjELMAkGA1UEBhMCREUxEzARBgNVBAoTCkdlcm1hbkdyaWQxEjAQBgNVBAMTCUdyaWRL YS1DQQICT9AwTQYLKoZIhvcNAQkQAgsxPqA8MDYxCzAJBgNVBAYTAkRFMRMwEQYDVQQKEwpH ZXJtYW5HcmlkMRIwEAYDVQQDEwlHcmlkS2EtQ0ECAk/QMGwGCSqGSIb3DQEJDzFfMF0wCwYJ YIZIAWUDBAEqMAsGCWCGSAFlAwQBAjAKBggqhkiG9w0DBzAOBggqhkiG9w0DAgICAIAwDQYI KoZIhvcNAwICAUAwBwYFKw4DAgcwDQYIKoZIhvcNAwICASgwDQYJKoZIhvcNAQEBBQAEggEA EhV1oc7aGAUxlXp0d0AaBDlTIS/s2/8zkDf1HGJP3hNg46zJi16AU30k/zddLTjXVKlhE8s4 1oZ9Do+g/yj1gU+6cHuomVxM5o5G+PZnR7L8ww8S7/NP4ZX4pUp2AGnrr/OASoewSgd2oYw1 rtSt1qi/S08HRSAFNoRblZs9J4v8w8UmsbS8HTVxkM8ls0AK08SBisi99+mKQB9vySxEIMl5 Wt7vxFQ9/uk3ALHHORuienSOYl4qklma9UnAjAc3X3598cAWYF9k2XsTfpKdZefIzakobmYh jJeLWRcb3u1NTX40vcJloTCbcDFD0JqwntifKXJ+iJNFJeo1I17IPwAAAAAAAA== --------------ms020001000502030207000900--