11:02:26
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#mdadm --stop /dev/md0
mdadm: failed to stop array /dev/md0: Device or resource busy Perhaps a running process, mounted filesystem or active volume group? |
| /l3/users/igor-public/nt-scale/debian5.unix.nt/root :1 :2 :3 :4 :5 :6 :7 :8 :9 :10 :11 :12 |
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#ls -l
total 205008 -rw-r--r-- 1 root root 104857600 Feb 21 11:32 disk1.img -rw-r--r-- 1 root root 104857600 Feb 21 11:22 disk2.img |
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#dd if=/dev/zero of=disk3.img count=100 bs=1024k
100+0 records in 100+0 records out 104857600 bytes (105 MB) copied, 0.2742 s, 382 MB/s |
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#losetup /dev/loop3 disk3.img
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#mdadm /dev/md0 -r /dev/loop2
mdadm: hot removed /dev/loop2 from /dev/md0 |
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#cat /proc/mdstat
Personalities : [raid1]
md0 : active raid1 loop1[0]
102388 blocks super 1.2 [2/1] [U_]
unused devices: <none>
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#mdadm /dev/md0 -a /dev/loop3
mdadm: added /dev/loop3 |
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#ls -l disk*.img
-rw-r--r-- 1 root root 104857600 Feb 21 11:35 disk1.img -rw-r--r-- 1 root root 104857600 Feb 21 11:22 disk2.img -rw-r--r-- 1 root root 104857600 Feb 21 11:35 disk3.img |
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#ls /mnt/
file lost+found |
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#cat /proc/mdstat
Personalities : [raid1]
md0 : active raid1 loop3[2] loop1[0]
102388 blocks super 1.2 [2/2] [UU]
unused devices: <none>
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#mdadm --stop /dev/md0
mdadm: failed to stop array /dev/md0: Device or resource busy Perhaps a running process, mounted filesystem or active volume group? |
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#umount /mnt
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