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Date: Sat, 02 Jun 2012 17:15:20 +0400
From: Vitaly Kuznetsov <vitty@altlinux.ru>
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On Fri, 1 Jun 2012 17:00:35 +0400, Andrew Zhukov wrote:
> cat /proc/mdstat
> Personalities : [raid1]
> md1 : active raid1 sdb2[1] sda2[0]
>       41941952 blocks [2/2] [UU]
>
> md2 : active raid1 sdb3[1] sda3[0]
>       438052800 blocks [2/2] [UU]
>
> md0 : active raid1 sdb1[1] sda1[0]
>       8387520 blocks [2/2] [UU]
>
> unused devices: <none>
> cat /etc/mdadm.conf | grep -v ^#
>
> MAILADDR root
> PROGRAM /sbin/mdadm-syslog-events
> DEVICE partitions
>
> ARRAY metadata=ddf UUID=c7db9b0a:50c1635f:54f0ccdf:cd8ad793
> ARRAY container=c7db9b0a:50c1635f:54f0ccdf:cd8ad793 member=0
> UUID=411fd0d7:3202f178:8eac802e:11928b7a
> ARRAY /dev/md0 UUID=58e4b175:2cf10c4e:e2b22c29:1878b982
> ARRAY /dev/md1 UUID=799138ad:69a20c28:907eae74:27fda9a2
> ARRAY /dev/md2 UUID=16a9d6bb:7592230b:c807a927:8a171c3d
>
> C absolute сглупил - пятница.
> не срабатывает вот что mdadm --assemble --scan
> по strace видно
> open("/dev/md1", O_RDONLY|O_EXCL|O_DIRECT) = -1 EBUSY (Device or
> resource busy)
> open("/dev/md2", O_RDONLY|O_EXCL|O_DIRECT) = -1 EBUSY (Device or
> resource busy)
> open("/dev/md0", O_RDONLY|O_EXCL|O_DIRECT) = -1 EBUSY (Device or
> resource busy)
> open("/dev/sdb3", O_RDONLY|O_EXCL|O_DIRECT) = -1 EBUSY (Device or
> resource busy)
> open("/dev/sdb2", O_RDONLY|O_EXCL|O_DIRECT) = -1 EBUSY (Device or
> resource busy)
> open("/dev/sdb1", O_RDONLY|O_EXCL|O_DIRECT) = -1 EBUSY (Device or
> resource busy)
> open("/dev/sdb", O_RDONLY|O_EXCL|O_DIRECT) = -1 EBUSY (Device or
> resource busy)
> open("/dev/sda3", O_RDONLY|O_EXCL|O_DIRECT) = -1 EBUSY (Device or
> resource busy)
> open("/dev/sda2", O_RDONLY|O_EXCL|O_DIRECT) = -1 EBUSY (Device or
> resource busy)
> open("/dev/sda1", O_RDONLY|O_EXCL|O_DIRECT) = -1 EBUSY (Device or
> resource busy)
> open("/dev/sda", O_RDONLY|O_EXCL|O_DIRECT) = -1 EBUSY (Device or
> resource busy)
>
> Возможно ли что скрипт пытается собрать при загрузке массивы которые
> уже собраны?
>
Не должен. Попробуйте оставить в /etc/mdadm.conf только последние три 
массива, а первые два (c container= , metadata= ) закомментировать.