2005-08-04 06:56:22 +02:00
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# create a small raid6 array, make it larger. Then make it smaller
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2009-11-17 03:15:32 +01:00
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mdadm -CR $md0 -e 0.90 --level raid6 --chunk=32 --raid-disks 4 --size $[size/2] $dev1 $dev2 $dev3 $dev4
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2005-08-15 08:14:27 +02:00
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check wait
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check state UUUU
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testdev $md0 2 $[size/2] 32
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2005-08-04 06:56:22 +02:00
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2005-08-15 08:14:27 +02:00
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mdadm --grow $md0 --size max
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check resync
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check wait
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2009-11-17 03:08:55 +01:00
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testdev $md0 2 $mdsize0 32
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2005-08-04 06:56:22 +02:00
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2005-08-15 08:14:27 +02:00
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mdadm --grow $md0 --size $[size/2]
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check nosync
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2009-11-17 03:08:55 +01:00
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testdev $md0 2 $[size/2] 32
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2005-08-04 06:56:22 +02:00
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2005-08-15 08:14:27 +02:00
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mdadm -S $md0
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2005-08-04 06:56:22 +02:00
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# same again with version 1.1 superblock
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2005-08-15 08:14:27 +02:00
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mdadm -CR $md0 --level raid6 --metadata=1.1 --chunk=128 --raid-disks 4 --size $[size/2] $dev1 $dev2 $dev3 $dev4
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check wait
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check state UUUU
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testdev $md0 2 $[size/2] 128
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2005-08-04 06:56:22 +02:00
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2005-08-15 08:14:27 +02:00
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mdadm --grow $md0 --size max
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check resync
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check wait
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2010-03-09 21:53:16 +01:00
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testdev $md0 2 $[mdsize1_l] 128
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2005-08-04 06:56:22 +02:00
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2005-08-15 08:14:27 +02:00
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mdadm --grow $md0 --size $[size/2]
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check nosync
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testdev $md0 2 $[size/2] 128
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2005-08-04 06:56:22 +02:00
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2005-08-15 08:14:27 +02:00
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mdadm -S $md0
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