Hola a tod@s: El día 9 de octubre de 2010 13:43, jose maria escribió:
* lo primero es averiguar cuantos raid tienes. * mira en /proc/mdstat y /etc/mdadm.conf puede que en este fichero este la informacion.
El sistema operativo del RAID no arranca, y desde un LiveCD no pude obtener la información.
* lo siguiente seria quitar las particiones del disco fallido de todos los raids. * mdadm /dev/mdX --fail --remove /dev/sdaX y las demas particiones de sus mds.
Preferí no hacer nada, hasta que no se revise la información que obtuve.
* con la opcion --examine puedes ver las caracteristicas de los raids en las particiones de los otros discos, lanza las salidas a un fichero junto con un fdisk -l, lo cual te dara una idea aproximada del asunto.
Aquí está lo que muestra el sistema: [root@server ~]# mdadm --examine /dev/sda1 /dev/sda1: Magic : a92b4efc Version : 0.90.00 UUID : 4bee1196:320a9203:19e528fd:ab6af4c2 Creation Time : Fri Jan 11 11:22:08 2008 Raid Level : raid1 Used Dev Size : 104320 (101.89 MiB 106.82 MB) Array Size : 104320 (101.89 MiB 106.82 MB) Raid Devices : 4 Total Devices : 1 Preferred Minor : 127 Update Time : Fri Oct 8 23:51:34 2010 State : clean Active Devices : 1 Working Devices : 1 Failed Devices : 3 Spare Devices : 0 Checksum : 80acac2e - correct Events : 420 Number Major Minor RaidDevice State this 0 8 1 0 active sync /dev/sda1 0 0 8 1 0 active sync /dev/sda1 1 1 0 0 1 faulty removed 2 2 0 0 2 faulty removed 3 3 0 0 3 faulty removed [root@server ~]# mdadm --examine /dev/sda2 /dev/sda2: Magic : a92b4efc Version : 0.90.00 UUID : 4b411920:f40743e2:6076dcd4:29e86c7e Creation Time : Fri Jan 11 11:15:37 2008 Raid Level : raid10 Used Dev Size : 487765248 (465.17 GiB 499.47 GB) Array Size : 975530496 (930.34 GiB 998.94 GB) Raid Devices : 4 Total Devices : 3 Preferred Minor : 2 Update Time : Mon Sep 20 13:10:15 2010 State : active Active Devices : 3 Working Devices : 3 Failed Devices : 1 Spare Devices : 0 Checksum : 2623df43 - correct Events : 35358165 Layout : near=2 Chunk Size : 256K Number Major Minor RaidDevice State this 0 8 2 0 active sync /dev/sda2 0 0 8 2 0 active sync /dev/sda2 1 1 8 18 1 active sync /dev/sdb2 2 2 0 0 2 faulty removed 3 3 8 50 3 active sync /dev/sdd2 [root@server ~]# mdadm --examine /dev/sda3 /dev/sda3: Magic : a92b4efc Version : 0.90.00 UUID : d9fd798b:3236d155:fb6b7788:6a8c2596 Creation Time : Fri Jan 11 11:15:40 2008 Raid Level : raid10 Used Dev Size : 513792 (501.83 MiB 526.12 MB) Array Size : 1027584 (1003.67 MiB 1052.25 MB) Raid Devices : 4 Total Devices : 3 Preferred Minor : 0 Update Time : Sun Sep 19 05:04:01 2010 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 1 Spare Devices : 0 Checksum : af800978 - correct Events : 2024 Layout : near=2 Chunk Size : 256K Number Major Minor RaidDevice State this 0 8 3 0 active sync /dev/sda3 0 0 8 3 0 active sync /dev/sda3 1 1 8 19 1 active sync /dev/sdb3 2 2 0 0 2 faulty removed 3 3 8 51 3 active sync /dev/sdd3 [root@server ~]# mdadm --examine /dev/sdb1 /dev/sdb1: Magic : a92b4efc Version : 0.90.00 UUID : 4bee1196:320a9203:19e528fd:ab6af4c2 Creation Time : Fri Jan 11 11:22:08 2008 Raid Level : raid1 Used Dev Size : 104320 (101.89 MiB 106.82 MB) Array Size : 104320 (101.89 MiB 106.82 MB) Raid Devices : 4 Total Devices : 3 Preferred Minor : 126 Update Time : Fri Oct 8 23:39:31 2010 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 1 Spare Devices : 0 Checksum : 80aca9b8 - correct Events : 418 Number Major Minor RaidDevice State this 1 8 17 1 active sync /dev/sdb1 0 0 8 1 0 active sync /dev/sda1 1 1 8 17 1 active sync /dev/sdb1 2 2 0 0 2 faulty removed 3 3 8 49 3 active sync /dev/sdd1 [root@server ~]# mdadm --examine /dev/sdb2 /dev/sdb2: Magic : a92b4efc Version : 0.90.00 UUID : 4b411920:f40743e2:6076dcd4:29e86c7e Creation Time : Fri Jan 11 11:15:37 2008 Raid Level : raid10 Used Dev Size : 487765248 (465.17 GiB 499.47 GB) Array Size : 975530496 (930.34 GiB 998.94 GB) Raid Devices : 4 Total Devices : 3 Preferred Minor : 2 Update Time : Mon Sep 20 13:10:15 2010 State : active Active Devices : 3 Working Devices : 3 Failed Devices : 1 Spare Devices : 0 Checksum : 2623df55 - correct Events : 35358165 Layout : near=2 Chunk Size : 256K Number Major Minor RaidDevice State this 1 8 18 1 active sync /dev/sdb2 0 0 8 2 0 active sync /dev/sda2 1 1 8 18 1 active sync /dev/sdb2 2 2 0 0 2 faulty removed 3 3 8 50 3 active sync /dev/sdd2 [root@server ~]# mdadm --examine /dev/sdb3 /dev/sdb3: Magic : a92b4efc Version : 0.90.00 UUID : d9fd798b:3236d155:fb6b7788:6a8c2596 Creation Time : Fri Jan 11 11:15:40 2008 Raid Level : raid10 Used Dev Size : 513792 (501.83 MiB 526.12 MB) Array Size : 1027584 (1003.67 MiB 1052.25 MB) Raid Devices : 4 Total Devices : 3 Preferred Minor : 0 Update Time : Sun Sep 19 05:04:01 2010 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 1 Spare Devices : 0 Checksum : af80098a - correct Events : 2024 Layout : near=2 Chunk Size : 256K Number Major Minor RaidDevice State this 1 8 19 1 active sync /dev/sdb3 0 0 8 3 0 active sync /dev/sda3 1 1 8 19 1 active sync /dev/sdb3 2 2 0 0 2 faulty removed 3 3 8 51 3 active sync /dev/sdd3 [root@server ~]# mdadm --examine /dev/sdd1 /dev/sdd1: Magic : a92b4efc Version : 0.90.00 UUID : 4bee1196:320a9203:19e528fd:ab6af4c2 Creation Time : Fri Jan 11 11:22:08 2008 Raid Level : raid1 Used Dev Size : 104320 (101.89 MiB 106.82 MB) Array Size : 104320 (101.89 MiB 106.82 MB) Raid Devices : 4 Total Devices : 3 Preferred Minor : 126 Update Time : Fri Oct 8 23:39:31 2010 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 1 Spare Devices : 0 Checksum : 80aca9dc - correct Events : 418 Number Major Minor RaidDevice State this 3 8 49 3 active sync /dev/sdd1 0 0 8 1 0 active sync /dev/sda1 1 1 8 17 1 active sync /dev/sdb1 2 2 0 0 2 faulty removed 3 3 8 49 3 active sync /dev/sdd1 [root@server ~]# mdadm --examine /dev/sdd2 /dev/sdd2: Magic : a92b4efc Version : 0.90.00 UUID : 4b411920:f40743e2:6076dcd4:29e86c7e Creation Time : Fri Jan 11 11:15:37 2008 Raid Level : raid10 Used Dev Size : 487765248 (465.17 GiB 499.47 GB) Array Size : 975530496 (930.34 GiB 998.94 GB) Raid Devices : 4 Total Devices : 3 Preferred Minor : 2 Update Time : Mon Sep 20 13:12:27 2010 State : clean Active Devices : 1 Working Devices : 1 Failed Devices : 2 Spare Devices : 0 Checksum : 283f65f3 - correct Events : 35358170 Layout : near=2 Chunk Size : 256K Number Major Minor RaidDevice State this 3 8 50 3 active sync /dev/sdd2 0 0 0 0 0 removed 1 1 0 0 1 faulty removed 2 2 0 0 2 faulty removed 3 3 8 50 3 active sync /dev/sdd2 [root@server ~]# mdadm --examine /dev/sdd3 /dev/sdd3: Magic : a92b4efc Version : 0.90.00 UUID : d9fd798b:3236d155:fb6b7788:6a8c2596 Creation Time : Fri Jan 11 11:15:40 2008 Raid Level : raid10 Used Dev Size : 513792 (501.83 MiB 526.12 MB) Array Size : 1027584 (1003.67 MiB 1052.25 MB) Raid Devices : 4 Total Devices : 3 Preferred Minor : 0 Update Time : Sun Sep 19 05:04:01 2010 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 1 Spare Devices : 0 Checksum : af8009ae - correct Events : 2024 Layout : near=2 Chunk Size : 256K Number Major Minor RaidDevice State this 3 8 51 3 active sync /dev/sdd3 0 0 8 3 0 active sync /dev/sda3 1 1 8 19 1 active sync /dev/sdb3 2 2 0 0 2 faulty removed 3 3 8 51 3 active sync /dev/sdd3
* para los raids donde no este el sistema mdadm --stop /dev/mdX.
* para forzar un arranque degradado mdadm --assemble --force /dev/mdX /dev/sdX /dev/sdY
* En cualquier caso lo fundamental es arreglar el raid donde se aloja el sistema seguramente md0, las particiones no tienen que ser iguales asegurate de que NO son inferiores a las existentes, de todas maneras si el 1+0 afecta al sistema cambia eso en cuanto puedas tienes 4 discos un raid 5 de todo seria mucho mejor o un raid 1 pequeño en todos los discos para el sistema y raid 5 para datos.
De ésto último no hice nada ... espero que la información obtenida sea de utilidad. Quedo atento a sus comentarios/indicaciones/sugerencias. Cordialmente, Cuervo Linuxero -- No recibo/envío información elaborados en/para M$-Word, M$-Excel, M$-PowerPoint, M$-Outlook o formatos privativos similares. Le invito a leer mis razones: http://www.gnu.org/philosophy/no-word-attachments.es.html -- Para dar de baja la suscripción, mande un mensaje a: opensuse-es+unsubscribe@opensuse.org Para obtener el resto de direcciones-comando, mande un mensaje a: opensuse-es+help@opensuse.org